Appendix a Planning Process

Appendix A Planning Process

A.1 Lists of HMPC Invites/Stakeholders

Table A-1 Initial LHMP Invite List NEED THIS LIST

Name Jurisdiction Title Email

Colusa County Appendix A.1 Local Hazard Mitigation Plan Update October 2018 Table A-2 HMPC Participant List TO BE PUT TOGETHER AT END FROM SIGN INS

Name Jurisdiction Title Email

Colusa County Appendix A.2 Local Hazard Mitigation Plan Update October 2018 A.2 Website for Hazard Mitigation Plan

Colusa County Appendix A.3 Local Hazard Mitigation Plan Update October 2018 A.3 Kickoff Meeting

A.3.1. Kickoff Meeting Invite to Stakeholders

Good morning:

Colusa County is kicking off our Local Hazard Mitigation Planning efforts with a planning meeting on Feb. 27, 2018 at 9:30 am to noon- please see attached flier. We will hold a public meeting that evening at 6:00 pm at the Colusa Industrial Park Conference Room for public input.

Janice Bell, OES Technician Colusa County Sheriff’s Office, Office of Emergency Services 929 Bridge Street, Colusa, CA 95932 530.458.0218 f- 530.458.4697 [email protected]

Colusa County Appendix A.4 Local Hazard Mitigation Plan Update October 2018 A.3.2. Kickoff Meeting Flyer

Colusa County Appendix A.5 Local Hazard Mitigation Plan Update October 2018 A.3.3. Kickoff Meeting Agenda

COLUSA COUNTY LOCAL HAZARD MITIGATION PLAN (LHMP) UPDATE HMPC (KICKOFF) MEETING #1 February 27, 2018

1. Introductions 2. Hazard Mitigation & the Disaster Mitigation Act Planning Requirements 3. The Role of the Hazard Mitigation Planning Committee (HMPC) 4. Planning for Public Input 5. Coordinating with other Agencies 6. Hazard Identification 7. Schedule 8. Data Needs 9. Questions and Answers

Colusa County Appendix A.6 Local Hazard Mitigation Plan Update October 2018 A.3.4. Kickoff Meeting Sign-in Sheets

Colusa County Appendix A.7 Local Hazard Mitigation Plan Update October 2018 A.4 Risk Assessment Meetings

A.4.1. Email Invite to Risk Assessment Meetings

From: Janice Bell Sent: Thursday, May 31, 2018 11:47 AM To: Elizabeth Kelly ; Drew Short ; Stacey Costello ; Joe Garofalo ; [email protected]; [email protected]; [email protected]; Ann Nordyke ; [email protected]; [email protected]; [email protected]; Greg Hinton ; Arnie Gross ; Greg Plucker ; Jesse Kang ; [email protected]; [email protected]; Sacramento River Fire District [External] ; Bryan Stice ([email protected]) ; Arbuckle College City Fire Protection [External] ; Arbuckle College City Fire Protection Chief [External] ; [email protected]; [email protected]; [email protected]; '[email protected]' ; Farias, Joel@DWR ([email protected]) ; [email protected]; Haynes, Cynthia ([email protected]) ; [email protected]; '[email protected]' ; Michelle Mead - NOAA Federal ; [email protected]; Brenna Howell ; Dana Carey ; 'Amy Travis ([email protected])' ; Kyle Noderer ([email protected]) ; '[email protected]' ; [email protected]; '[email protected]' ; '[email protected]' ; [email protected]; [email protected] Cc: Jeanine Foster ; Russ Jones Subject: Colusa County 2018 LHMP Update - Risk Assessment Meeting Notice

Good morning, All:

In the continuing effort to update the Local Hazard Mitigation Plan, we will be having a Risk Assessment Meeting next week. A flier is attached, but here are the details:

Wednesday June 6, 2018 9:30 am to Noon Colusa County Sheriff’s Office Training Room 929 Bridge Street, Colusa CA 95932

Your participation will be greatly appreciated! An RSVP will be appreciated, but not required to attend.

Regards, Janice

Janice Bell, OES Technician Colusa County Sheriff’s Office, Office of Emergency Services 929 Bridge Street, Colusa, CA 95932 530.458.0218 f- 530.458.4697 [email protected]

Colusa County Appendix A.8 Local Hazard Mitigation Plan Update October 2018 A.4.2. Risk Assessment Meeting Agenda

AGENDA Colusa County Local Hazard Mitigation Plan (LHMP) Update Risk Assessment Meeting: June 6, 2018 1. Introductions 2. Status of the DMA Planning Process 3. Review of Risk Assessment 4. Review of Data Needs 5. Next Steps

Colusa County Appendix A.9 Local Hazard Mitigation Plan Update October 2018 A.4.3. Risk Assessment Meeting Sign in Sheets

NEED THESE

Colusa County Appendix A.10 Local Hazard Mitigation Plan Update October 2018 A.5 Mitigation Strategy Meetings

A.5.1. Email Invites to Mitigation Strategy Meetings

From: Janice Bell Sent: Tuesday, July 3, 2018 12:46 PM To: Greg Hinton ; Arnie Gross ; Greg Plucker ; Kuljeet Mundi ; '[email protected]' ; [email protected]; Sacramento River Fire District [External] ; Elizabeth Kelly ; Scott Lanphier ; Stacey Costello ; Joe Garofalo ; Russ Jones ; [email protected]; Jesse Cain ([email protected]) ; 'Frank Kennedy, Williams City Administrator' ; '[email protected]' ; [email protected]; Meegan Nagy ([email protected]) ; Ann Nordyke ; '[email protected]' ; 'Chief Josh Fitch' ; Ed Anderson ([email protected]) ; Farias, Joel@DWR ([email protected]) ; Brett Matzke ; [email protected]; 'Haynes, Cynthia ([email protected])' ; Victoria.LaMar- [email protected]; '[email protected]' ; Michelle Mead - NOAA Federal ; '[email protected]' ; Brenna Howell ; Dana Carey ; 'Amy Travis ([email protected])' ; '[email protected]' ; [email protected]; '[email protected]' ; '[email protected]' ; '[email protected]' ; '[email protected]' Cc: Jeanine Foster Subject: Colusa County Local Hazard Mitigation Plan (LHMP) Update- Mitigation Strategy Meetings Invite:

Good morning:

You are invited to Planning Team meetings #3 and #4 for the development of Colusa County’s LHMP Update. In February 2018, Colusa County kicked-off its hazard mitigation planning efforts. Over the past few months, we have been working to collect data to inform Chapter 4 of our LHMP, the Risk Assessment and to develop the jurisdictional annexes for participating jurisdictions.

These upcoming meetings will be held on July 24 & 25, and will begin the most important phase of our LHMP planning process – the Mitigation Strategy. During the first meeting, we will be finalizing the risk assessment data and will be looking for your final information refining and adding to this in-process Risk Assessment Chapter. We will also be developing updated goals and objectives for the plan. During the second meeting, the planning team will be working to identify and evaluate potential mitigation actions for reducing the community’s risk and vulnerability to natural hazards and disasters.

The meetings will be held as follows:

Colusa County Appendix A.11 Local Hazard Mitigation Plan Update October 2018 Tuesday July 24, 9:00 AM to Noon at the Sheriff’s Office Training Room followed by Wednesday July 25, 9:00 AM to Noon at the Sheriff’s Office Training Room

Please RSVP and plan on attending or delegating attendance to these important meetings. Everyone with mitigation project ideas should attend. County, city and agency participation and coordination is a requirement of an approved plan, as is the inclusion of any hazard data, information, and mitigation projects your department or agency may want to see included in the plan. Thus, your participation in this process is important and encouraged. Your input will be critical to the success of this project.

Thank You.

Janice

Janice Bell, OES Technician Colusa County Sheriff’s Office, Office of Emergency Services 929 Bridge Street, Colusa, CA 95932 530.458.0218 f- 530.458.4697 [email protected]

Colusa County Appendix A.12 Local Hazard Mitigation Plan Update October 2018 A.5.2. Mitigation Strategy Meeting Agenda

Colusa County Local Hazard Mitigation Plan (LHMP) Update Mitigation Strategy Meetings June 24 & 25, 2018

HMPC Meeting #2:

1. Introductions 2. Status of the DMA Planning Process 3. Risk Assessment Update 4. Outstanding Items 5. Develop Updated Plan Goals and Objectives 6. Identify and Review Mitigation Alternatives/Projects

HMPC Meeting #3:

7. Introductions 8. Identify and discuss Mitigation Alternatives/Projects 9. Review Mitigation Selection Criteria 10. Prioritize Mitigation Projects 11. Mitigation Action Worksheet 12. Review of Schedule/Next Steps

Colusa County Appendix A.13 Local Hazard Mitigation Plan Update October 2018 A.5.3. Mitigation Strategy Meeting Sign in Sheets

Colusa County Appendix A.14 Local Hazard Mitigation Plan Update October 2018

Colusa County Appendix A.15 Local Hazard Mitigation Plan Update October 2018 A.6 Final Team Meeting

A.6.1. Final Team Meeting Invite

Colusa County Appendix A.16 Local Hazard Mitigation Plan Update October 2018 A.6.2. Final Team Meeting Agenda

AGENDA Colusa County Local Hazard Mitigation Plan (LHMP) Update Final Meeting September 22, 2018

1. Introductions 2. Status of the LHMP Update Process 3. Addressing Public Comments 4. Summary of Changes in Colusa County Planning Area Vulnerabilities/ Mitigation Priorities 5. Public Input: Data/Projects 6. Next Steps

Colusa County Appendix A.17 Local Hazard Mitigation Plan Update October 2018 A.6.3. Final Team Meeting Sign in Sheet

A.7 Public Involvement

A.7.1. Early Public Meeting Flyer

Colusa County Appendix A.18 Local Hazard Mitigation Plan Update October 2018 A.7.2. Early Public Meeting: Kickoff Meeting – Public Agenda

COLUSA COUNTY LOCAL HAZARD MITIGATION PLAN (LHMP) PUBLIC MEETING #1 FEBRUARY 27, 2018

1. Introductions 2. Hazard Mitigation & the Disaster Mitigation Act Planning Requirements 3. Hazard Identification and Profiles 4. Opportunities for Public Participation and Input 5. Schedule 6. Questions and Answers

Colusa County Appendix A.19 Local Hazard Mitigation Plan Update October 2018 A.7.3. Early Public Meeting: Kickoff Meeting – Public Sign in Sheets

Colusa County Appendix A.20 Local Hazard Mitigation Plan Update October 2018 A.7.4. Press Release for Final Public Meeting: Review of Plan – Public

A.7.5. Advertisement for Final Public Meeting on Colusa County Website

A.7.6. Advertisement for Final Public Meeting

Colusa County Appendix A.21 Local Hazard Mitigation Plan Update October 2018 A.7.7. Final Public Meeting: Final Review of Plan – Public Agenda

AGENDA Colusa County Local Hazard Mitigation Plan (LHMP) Update Final Public Meeting September 22, 2018

Colusa County Appendix A.22 Local Hazard Mitigation Plan Update October 2018 A.7.8. Final Public Meeting: Final Review of Plan – Public Sign in Sheets

Colusa County Appendix A.23 Local Hazard Mitigation Plan Update October 2018 A.8 Meeting Handouts

A.8.1. Kickoff Meeting Handouts

Colusa County Hazard Identification and Profiles – 2018

Disaster Declarations and National Weather Service Research

Colusa County – Disaster Declarations 1950-2017

Year Disaster Disaster Type Disaster Disaster # State Federal Name Cause Declaration # Declaration # 2017 California Flood Storms DR-4308 3/31/2017 4/1/2017 Severe Winter Storms, Flooding, Mudslides 2014 California Drought Drought GP 2014-13 1/17/2014 – Drought 2008 2008 January Flood Storms GP-2008-1 1/5/2008 – Storms 2005/2006 2005/06 Flood Storms DR‐1628 – 2/3/2006 Winter Storms 2005 Hurricane Economic Hurricane EM‐3248 2005 – 9/13/2005 Katrina Evacuations 2003 State Road Road Damage Flood GP 2003 1/1/2003 – Damage 2001 Energy Economic Greed GP 2001 1/1/2001 – Emergency 1998 1998 El Nino Flood Storms DR‐1203 Proclaimed 2/19/1998 Floods 1997 1997 January Flood Storms DR‐1155 1/2/97‐ 1/4/1997 Floods 1/31/97 1995 California Flood Storms DR-1046 Proclaimed 3/12/1995 Severe Winter Storms, Flooding, Landslides, Mud Flows 1995 1995 Severe Flood Storms DR‐1044 1/6/95‐ 1/13/1995 Winter Storms 3/14/95 1990 1990 Freeze Freeze Freeze DR-894 12/19/90 2/11/1991 1987 1987 Fires Fire Fire GP 9/10/87, – 9/3/87 1986 1986 Storms Flood Storms DR‐758 2/18‐86- 2/18/1986 3/12/86

Colusa County Appendix A.24 Local Hazard Mitigation Plan Update October 2018 Year Disaster Disaster Type Disaster Disaster # State Federal Name Cause Declaration # Declaration # 1983 Winter Storms Flood Flood DR‐677 12/8/82‐ 2/9/1983 3/21/83 1979 Gasoline Economic OPEC – 5/8/1979- – Shortage 11/13/79 1978 Heavy Rains Flood Storms DC 78-06-11 2/13/1978 – 1976 1976 Drought Drought Drought – 2/9/76, – 2/13,76, 2/24/76, 3/26/76, 7/6/76 1973 1973 Storms Flood Storms – 2/28/1973 – and Floods 1972 1972 Freeze Freeze Freeze – 7/13/1972 – 1970 1970 Northern Flood Flood DR 283 1/27/1970 - 2/16/1970 California 3/2/1970 Flooding 1964 1964 Late Flood Storms DR-183 – 12/24/1964 Winter Storms 1963 1963 Floods Flood Storms DR-145 2/7/63, 2/25/63 and Rains 2/26/63, 2/29/63, & 4/22/63 1963 1963 Floods Flood Storms – 2/14/1964 – 1958 1958 April Flood Storms DR-52 4/5/1958 4/4/1958 Storms and Floods 1958 1958 February Flood Storms CDO 58-03 2/26/1958 – Storms and Floods 1955 1955 Floods Flood Flood DR-47 12/22/1955 12/23/1955 1950 1950 Floods Flood Flood OCD 50-01 11/21/1950 – Source: FEMA, Cal OES

Colusa County Appendix A.25 Local Hazard Mitigation Plan Update October 2018 Disaster Declaration Summary Table 1950-2017

Disaster Type Federal Declarations State Declarations Count Years Count Years Drought 0 – 2 1976, 2014 Economic 0 – 2 1979, 2001 Fire 0 1 1987 Flood 13 1955, 1958, 1963, 1964, 1970, 18 1950, 1955, 1958 (twice), 1963 1983, 1986, 1995, 1997 (twice), (twice), 1970, 1973, 1978, 1983, 1998, 2006, 2017 1986, 1995 (twice), 1997, 1998, 2003, 2008, 2017 Freeze 1 – 2 1972, 1990 Hurricane 1 2005 0 – Road Damage 0 – 1 2003 Totals 15 – 26 –

NCDC Severe Weather Events for Colusa County 1950-11/30/2017*

Event Type Number Deaths Deaths Injuries Injuries Property Crop of Events (indirect (indirect) Damage Damage Flash Flood 1 0 0 0 0 $0 $0 Flood 7 0 0 0 0 $22,700,000 $0 Heat 3 0 0 0 0 $0 $0 Heavy Rain 4 0 0 0 0 $0 $0 High Wind 14 0 0 0 0 $35,000 $0 Thunderstorm Wind 2 0 0 0 0 $0 $0 Tornado 3 0 0 0 0 $70,000 $0 Wildfire 1 7 0 25 0 $0 $0 Winter Storm 16 0 0 0 0 $0 $0 Total 51 7 0 25 0 $22,805,000 $0 Source: NCDC *Note: Losses reflect totals for all impacted areas

Colusa County Appendix A.26 Local Hazard Mitigation Plan Update October 2018 Hazards Comparison List

2006/2013 2016 EOP 2018 State of California Plan Colusa County Natural Hazards Applicable Hazards Plan Proposed 2018 Hazards ------Agriculture Pests and Diseases Ag Hazards: Severe Weather/Insect Pests ------Climate Change & Related Climate Change Hazards ------Dam Failure Dam Failure Dam Failure ------Droughts and Water Shortage Drought and Water Shortage Earthquake Earthquake Earthquake Earthquake Floods Flood Flood Flood: 100/500–year ------Flood Flood: Localized/Stormwater ------Hazardous Materials & Hazardous Materials Releases Hazardous Materials Transportation Accidents Transportation Landslides Landslide/Mudslide Landslide Landslide, Mudslide, and Debris Flows Levee Failure Levee Failure Freeze Severe Weather: Extreme Cold and Freeze ----- Extreme Heat Severe Weather: Extreme Heat ------Severe Weather Severe Weather and Storms Severe Weather: Heavy Rains and Storms (winds/tornadoes, hail, lightning) Severe Weather and Storms Severe Weather: High Winds ------Environmental ------Public Health/Epidemic Epidemic/Pandemic/Vector --- Born Hazards Tsunami Tsunami ------Volcano Volcano Wildfire Wildland Fire/Urban Interface Wildfire Wildfire (smoke and Tree Mortality) Terrorism Terrorism ------(CBRNE/Cyber/Conventional)

Colusa County Appendix A.27 Local Hazard Mitigation Plan Update October 2018 Hazard Identification Table - Jurisdiction:______

Probability of Climate Geographic Future Magnitude/ Change Hazard Extent Occurrences Severity Significance Influence Ag Hazards: Severe Weather/Insect Pests Climate Change Dam Failure Drought and Water Shortage Earthquake Flood: 100/500–year Flood: Localized/Stormwater Hazardous Materials Transportation Landslide, Mudslide, and Debris Flows Levee Failure Severe Weather: Extreme Cold and Freeze Severe Weather: Extreme Heat Severe Weather: Heavy Rains and Storms (winds/tornadoes, hail, lightning) Severe Weather: High Winds Volcano Wildfire (smoke, tree mortality) Geographic Extent Magnitude/Severity Limited: Less than 10% of planning Catastrophic—More than 50 percent of property severely damaged; area shutdown of facilities for more than 30 days; and/or multiple deaths Significant: 10-50% of planning area Critical—25-50 percent of property severely damaged; shutdown of facilities Extensive: 50-100% of planning area for at least two weeks; and/or injuries and/or illnesses result in permanent Probability of Future Occurrences disability Highly Likely: Near 100% chance of Limited—10-25 percent of property severely damaged; shutdown of facilities occurrence in next year, or happens for more than a week; and/or injuries/illnesses treatable do not result in every year. permanent disability Likely: Between 10 and 100% chance Negligible—Less than 10 percent of property severely damaged, shutdown of occurrence in next year, or has a of facilities and services for less than 24 hours; and/or injuries/illnesses recurrence interval of 10 years or less. treatable with first aid Occasional: Between 1 and 10% Significance chance of occurrence in the next year, Low: minimal potential impact or has a recurrence interval of 11 to Medium: moderate potential impact 100 years. High: widespread potential impact Unlikely: Less than 1% chance of Climate Change Impact: occurrence in next 100 years, or has a Low: Climate change is not likely to increase the probability of this hazard. recurrence interval of greater than Medium: Climate change is likely to increase the probability of this hazard. every 100 years. High: Climate change is very likely to increase the probability of this hazard.

Colusa County Appendix A.28 Local Hazard Mitigation Plan Update October 2018 Colusa County 2018 Local Hazard Mitigation Plan Update County and Participating Jurisdiction: Vulnerability & Capability Worksheets

Risk and Vulnerability Questions

Localized/Stormwater Flooding

1. Please describe the localized/stormwater flood issue specific to your jurisdiction in paragraph form. In addition, please complete a table similar to the below example detailing types and location of localized/stormwater flooding problems. If available, also attach a map of problem areas.

Text Description:

Table 3 Localized Flooding Areas

High Water/ Pavement Creek Landslides/ Downed Road Name Flooding Deterioration Washouts Crossing Mudslides Debris Trees

Colusa County Appendix A.29 Local Hazard Mitigation Plan Update October 2018 Earthquake Vulnerability

1. Number of unreinforced masonry buildings. If available, please provide an inventory of URM buildings specific to your jurisdiction. Include any tables and/or maps. Is this a layer available in GIS?

Special Populations

1. Describe any hazard-related concerns or issues regarding the vulnerability of special needs populations, such as the elderly, disabled, low-income, or migrant farm workers.

Development Trends

1. Describe development trends and expected growth areas and how they relate to hazard areas and vulnerability concerns/issues. Please provide zoning maps and maps and tables detailing areas targeted for future development within your jurisdiction.

Colusa County Appendix A.30 Local Hazard Mitigation Plan Update October 2018 CAPABILITY ASSESSMENT

Capabilities are the programs and policies currently in use to reduce hazard impacts or that could be used to implement hazard mitigation activities. Please complete the tables and questions in the worksheet as completely as possible.

Planning and Regulatory

The following planning and land management tools are typically used by local jurisdictions to implement hazard mitigation activities. Please indicate which of the following your jurisdiction has in place. If your jurisdiction does not have this capability or authority, please indicate in the comments column if a higher level of government has the authority.

Does the plan/program address hazards? Does the plan identify projects to include in the mitigation Y/N strategy? Plans Year Can the plan be used to implement mitigation actions? General Plan Capital Improvements Plan Economic Development Plan Local Emergency Operations Plan Continuity of Operations Plan Transportation Plan Stormwater Management Plan/Program Engineering Studies for Streams Community Wildfire Protection Plan Other special plans (e.g., brownfields redevelopment, disaster recovery, coastal zone management, climate change adaptation) Building Code, Permitting, and Inspections Y/N Are codes adequately enforced? Building Code Building Code Effectiveness Grading Schedule (BCEGS) Score Fire department ISO rating: Site plan review requirements Is the ordinance an effective measure for reducing hazard impacts? Land Use Planning and Ordinances Y/N Is the ordinance adequately administered and enforced? Zoning ordinance Subdivision ordinance

Colusa County Appendix A.31 Local Hazard Mitigation Plan Update October 2018 Floodplain ordinance Natural hazard specific ordinance (stormwater, steep slope, wildfire) Flood insurance rate maps Elevation Certificates Acquisition of land for open space and public recreation uses Erosion or sediment control program Other How can these capabilities be expanded and improved to reduce risk?

Administrative/Technical

Identify the technical and personnel resources responsible for activities related to hazard mitigation/loss prevention within your jurisdiction. For smaller jurisdictions without local staff resources, if there are public resources at the next higher level government that can provide technical assistance, please indicate so in the comments column.

Describe capability Administration Y/N Is coordination effective? Planning Commission Mitigation Planning Committee Maintenance programs to reduce risk (e.g., tree trimming, clearing drainage systems) Mutual aid agreements Other Is staffing adequate to enforce regulations? Y/N Is staff trained on hazards and mitigation? Staff FT/PT Is coordination between agencies and staff effective? Chief Building Official Floodplain Administrator Emergency Manager Community Planner Civil Engineer GIS Coordinator Other

Colusa County Appendix A.32 Local Hazard Mitigation Plan Update October 2018 Describe capability Has capability been used to assess/mitigate risk in the Technical Y/N past? Warning systems/services (Reverse 911, outdoor warning signals) Hazard data and information Grant writing Hazus analysis Other How can these capabilities be expanded and improved to reduce risk?

Fiscal

Identify whether your jurisdiction has access to or is eligible to use the following financial resources for hazard mitigation

Has the funding resource been used in past Access/ and for what type of activities? Eligibility Could the resource be used to fund future Funding Resource (Y/N) mitigation actions? Capital improvements project funding Authority to levy taxes for specific purposes Fees for water, sewer, gas, or electric services Impact fees for new development Storm water utility fee Incur debt through general obligation bonds and/or special tax bonds Incur debt through private activities Community Development Block Grant Other federal funding programs State funding programs Other How can these capabilities be expanded and improved to reduce risk?

Colusa County Appendix A.33 Local Hazard Mitigation Plan Update October 2018 Education and Outreach

Identify education and outreach programs and methods already in place that could be/or are used to implement mitigation activities and communicate hazard-related information.

Describe program/organization and how relates to disaster resilience and mitigation. Could the program/organization help Program/Organization Yes/No implement future mitigation activities? Local citizen groups or non-profit organizations focused on environmental protection, emergency preparedness, access and functional needs populations, etc. Ongoing public education or information program (e.g., responsible water use, fire safety, household preparedness, environmental education) Natural disaster or safety related school programs StormReady certification Firewise Communities certification Public-private partnership initiatives addressing disaster-related issues Other How can these capabilities be expanded and improved to reduce risk?

Colusa County Appendix A.34 Local Hazard Mitigation Plan Update October 2018 National Flood Insurance Program (NFIP) Worksheet

Use this worksheet to collect information on your community’s participation in and continued compliance with the NFIP, as well as identify areas for improvement that could be potential mitigation actions.

NFIP Topic Comments Insurance Summary How many NFIP policies are in the community? What is the total premium and FM to complete coverage? How many claims have been paid in the community? What is the total amount of FM to complete paid claims? How many of the claims were for substantial damage? How many structures are exposed to flood risk within the community? FM to complete Describe any areas of flood risk with limited NFIP policy coverage Staff Resources Is the Community Floodplain Administrator or NFIP Coordinator certified? Provide an explanation of NFIP administration services (e.g., permit review, GIS, education or outreach, inspections, engineering capability) What are the barriers to running an effective NFIP program in the community, if any? Compliance History Is the community in good standing with the NFIP? Are there any outstanding compliance issues (i.e., current violations)? When was the most recent Community Assistance Visit (CAV) or Community Assistance Contact (CAC)? Is a CAV or CAC scheduled or needed? Regulation When did the community enter the NFIP? FM to complete Are the FIRMs digital or paper? FM to complete Do floodplain development regulations meet or exceed FEMA or State minimum requirements? If so, in what ways? Provide an explanation of the permitting process. Community Rating System Does the community participate in CRS? What is the community’s CRS Class Ranking? What categories and activities provide CRS points and how can the class be improved? Does the plan include CRS planning requirements?

Prepared by: Date Email Phone

Colusa County Appendix A.35 Local Hazard Mitigation Plan Update October 2018 HISTORIC HAZARD EVENTS WORKSHEET

Please fill out one sheet for each significant hazard event with as much detail as possible. Attach supporting documentation, photocopies of newspaper articles, or other original sources.

Type of event Nature and magnitude of event Location Date of event Injuries Deaths Property damage Infrastructure damage Crop damage Business/economic impacts Road/school/other closures Other damage Insured losses Federal/state disaster relief funding Opinion on likelihood of occurring again Source of information Comments Please return worksheets by mail, email, or fax to: Jeanine Foster, Foster Morrison Prepared by: 5628 West Long Place Phone: Littleton, CO 80123 fax: (720) 893-0863 Email: email: [email protected] Date:

Colusa County Appendix A.36 Local Hazard Mitigation Plan Update October 2018 A.8.2. Risk Assessment Meeting Handouts

Hazard Identification & Profiles

Table 4 Colusa County Hazard Identification

Probability of Climate Geographic Future Magnitude/ Change Hazard Extent Occurrences Severity Significance Influence Ag Hazards: Severe Weather/Insect High Pests Extensive Highly Likely Catastrophic High Climate Change Extensive Highly Likely Critical High --- Dam Failure Extensive Occasional Catastrophic High Medium Drought and Water Shortage Extensive Likely Critical High High Earthquake (minor/major) Limited Occasional/ Unlikely Limited Low Low Flood: 100/200/500-year Extensive Occasional/ Unlikely Catastrophic High High Flood: Localized/Stormwater Significant Highly Likely Limited Medium Medium Hazardous Materials Transportation Limited Highly Likely Limited Medium Low Landslide, Mudslide, and Debris Flows Limited Likely Limited Medium Low Levee Failure Extensive Likely Catastrophic High Medium Severe Weather: Extreme Cold and Medium Freeze Extensive Highly Likely Critical Medium Severe Weather: Extreme Heat Extensive Highly Likely Limited Low High Severe Weather: Heavy Rains and High Storms (winds, hail, lightning) Extensive Highly Likely Critical Medium Severe Weather: High Extensive Highly Likely/ Limited Medium Low Winds/Tornadoes Occasional Stream Bank Erosion Significant Highly Likely Limited Medium Medium Subsidence Limited Likely Limited Medium Medium Volcano Extensive Unlikely Catastrophic Low Low Wildfire (smoke, tree mortality) Significant Highly Likely Critical Medium Medium

Colusa County Appendix A.37 Local Hazard Mitigation Plan Update October 2018 Probability of Climate Geographic Future Magnitude/ Change Hazard Extent Occurrences Severity Significance Influence Geographic Extent Magnitude/Severity Limited: Less than 10% of planning Catastrophic—More than 50 percent of property severely damaged; shutdown area of facilities for more than 30 days; and/or multiple deaths Significant: 10-50% of planning area Critical—25-50 percent of property severely damaged; shutdown of facilities for Extensive: 50-100% of planning area at least two weeks; and/or injuries and/or illnesses result in permanent disability Probability of Future Occurrences Limited—10-25 percent of property severely damaged; shutdown of facilities Highly Likely: Near 100% chance of for more than a week; and/or injuries/illnesses treatable do not result in occurrence in next year, or happens permanent disability every year. Negligible—Less than 10 percent of property severely damaged, shutdown of Likely: Between 10 and 100% chance facilities and services for less than 24 hours; and/or injuries/illnesses treatable of occurrence in next year, or has a with first aid recurrence interval of 10 years or less. Significance Occasional: Between 1 and 10% Low: minimal potential impact chance of occurrence in the next year, Medium: moderate potential impact or has a recurrence interval of 11 to High: widespread potential impact 100 years. Climate Change Impact: Unlikely: Less than 1% chance of Low: Climate change is not likely to increase the probability of this hazard. occurrence in next 100 years, or has a Medium: Climate change is likely to increase the probability of this hazard. recurrence interval of greater than High: Climate change is very likely to increase the probability of this hazard. every 100 years. Risk Assessment Methodology

Calculating Likelihood of Future Occurrence

The frequency of past events is used in this section to gauge the likelihood of future occurrences. Based on historical data, the likelihood of future occurrence is categorized into one of the following classifications:

➢ Highly Likely: Near 100% chance of occurrence in next year, or happens every year. ➢ Likely: Between 10 and 100% chance of occurrence in next year, or has a recurrence interval of 10 years or less. ➢ Occasional: Between 1 and 10% chance of occurrence in the next year, or has a recurrence interval of 11 to 100 years. ➢ Unlikely: Less than 1% chance of occurrence in next 100 years, or has a recurrence interval of greater than every 100 years.

Calculating Vulnerability

Vulnerability is measured in general, qualitative terms, and is a summary of the potential impact based on past occurrences, spatial extent, and damage and casualty potential:

Colusa County Appendix A.38 Local Hazard Mitigation Plan Update October 2018 ➢ High: Widespread potential impact. This ranking carries a high threat to the general population and/or built environment. The potential for damage is widespread. Hazards in this category may have already occurred in the past. ➢ Extremely High: Very widespread and catastrophic impact.

Defining Significance (Priority) of a Hazard

Defining the significance or priority of a hazard to a community is based on a subjective analysis of several factors. This analysis is used to focus and prioritize hazards and associated mitigation measures for the plan. These factors include the following:

➢ Past Occurrences: Frequency, extent, and magnitude of historic hazard events. ➢ Likelihood of Future Occurrences: Based on past hazard events. ➢ Ability to Reduce Losses through Implementation of Mitigation Measures: This looks at both the ability to mitigate the risk of future occurrences as well as the ability to mitigate the vulnerability of a community to a given hazard event.

Colusa County Appendix A.39 Local Hazard Mitigation Plan Update October 2018 Risk Assessment Summary: Colusa County Planning Area

Agricultural Hazard

➢ Most agricultural disasters in Colusa County are associated with severe weather events, including heavy rains, floods, heat, freeze, and drought; insects and noxious weeds also a concern ➢ Numerous USDA events from 2012-2018. 9 related to drought; 2 for freezing temperatures, and 2 for severe weather. ➢ HMPC – WHAT ARE THE BIGGEST AG CONCERNS? ➢ Likelihood of Future Occurrence: Highly Likely ➢ Vulnerability: High ➢ Priority Hazard

Climate Change

➢ The 2018 State of California Multi-Hazard Mitigation Plan stated that climate change is already affecting California. Sea levels have risen by as much as seven inches along the California coast over the last century, increasing erosion and pressure on the state’s infrastructure, water supplies, and natural resources. The State has also seen increased average temperatures, more extreme hot days, fewer cold nights, a lengthening of the growing season, shifts in the water cycle with less winter precipitation falling as snow, and both snowmelt and rainwater running off sooner in the year. Climate Change has the potential to alter the nature and frequency of most hazards. ➢ In Colusa County, each year it seems to get a bit warmer. Rain events also seem to be of greater intensity. TRUE? ➢ ANY HMPC INPUT ON CLIMATE CHANGE ISSUES IN COLUSA COUNTY? ➢ Likelihood of Future Occurrence: Likely ➢ Vulnerability: Medium ➢ Priority Hazard??

Dam failure

➢ According to data provided by Cal OES and National Performance of Dam’s data, there are 6 dams in Colusa County constructed for flood control, storage, electrical generation, and recreational purposes. Of these, 1 is high hazard, 2 are significant hazard, and 3 are low hazard. ➢ According to the General Plan Background Report, five dams which retain water from tributaries of the Sacramento River could cause damage in Colusa County if their dams were to fail: Lake Oroville, Lake Shasta, Whiskeytown Lake, Black Butte Lake, and East Park Reservoir. Of these, only East Park is located in the County. ➢ Indian Valley and Thermalito AB also have inundation areas that intersect into Colusa. ➢ ARE THERE ANY PAST OCCURRENCES OF DAM FAILURES? ➢ Likelihood of Future Occurrence: Occasional? ➢ Vulnerability: High ➢ Priority Hazard

Colusa County Appendix A.40 Local Hazard Mitigation Plan Update October 2018 Drought and Water Shortage

➢ Historical drought data for the Colusa County Planning Area and region indicate there have been 5 significant droughts in the last 84 years. ➢ Since 2012, snowpack levels in California had dropped dramatically. 2015 estimates place snowpack at 5 percent of normal levels. However, snowpack levels increased in 2016 and in 2017 snowpack levels were the highest they’ve been in 22 years. But then back down again in 2018. ➢ 2 disaster declarations (1977 and 2014) for Colusa County since 1950. There have been no NCDC drought events in Colusa County. This is likely due to underreporting of drought events to this database. ➢ HMPC – CAN YOU PROVIDE DAMAGES OR RESTRICTIONS THAT HAVE OCCURRED IN THE COUNTY RECENTLY DUE TO THE MOST RECENT DROUGHT. WHAT HAS BEEN IMPACTED THE MOST? WHAT IS THE PRIMARY SOURCE OF WATER AND HOW HAS WATER SUPPLY BEEN AFFECTED IN THE COUNTY? ➢ Likelihood of Future Occurrence: Drought - Likely/Water supply - Occasional ➢ Vulnerability: High ➢ Priority Hazard

Earthquake

➢ The General Plan Background Report noted that there are no known active faults within the County; however, the area could experience considerable ground shaking generated by faults outside Colusa County. ➢ The USGS National Seismic Hazard Maps provides acceleration and probabilities for various time periods. This data indicates that the expected severity of earthquakes in the region is mostly moderate, with areas in the southwest corner of the County in the high range. ➢ There have been no disaster declarations in the County. No major earthquakes have been recorded within the County; although the County has felt ground shaking from earthquakes with epicenters located elsewhere. HMPC – WERE THERE ISSUES IN THE COUNTY FROM HISTORICAL EARTHQUAKES? HAZUS SCENARIO? ➢ Likelihood of Future Occurrence: Unlikely – large, damaging earthquake; Occasional – minor earthquake ➢ Vulnerability: Medium ➢ Priority Hazard

Flood Hazards

100/500 year

➢ Historically, portions of Colusa County have always been at risk to flooding because of its annual percentage of rainfall in the winter and the number of watercourses that traverse the County. The Colusa County FIS noted that flooding in Colusa County results from prolonged heavy rainfall over tributary areas during the period from November through March. ➢ Of the 22 state and 23 federal declarations from 1950-present– 18 state and 13 federal declarations were for heavy rains and flooding. Flooding is an ongoing issue for the planning area. ➢ HMPC - REVIEW RISK ASSESSMENT AND ADD INFORMATION ON MAJOR FLOOD EVENTS ➢ Likelihood of Future Occurrence: 100-Occasional; 500-Unlikely

Colusa County Appendix A.41 Local Hazard Mitigation Plan Update October 2018 ➢ Vulnerability: High ➢ Priority Hazard

Localized/Stormwater flooding

➢ Significant localized flood history in the County – occurs annually ➢ CAN THE HMPC PROVIDE DETAILS ON THESE AREAS? PICTURES/DESCRIPTIONS ➢ Likelihood of Future Occurrence: Highly Likely ➢ Vulnerability: Medium ➢ Priority Hazard

Hazardous Materials Transportation

➢ Several major transportation routes go through Colusa County, with deliveries also occurring on many local routes. ➢ There have been no disaster declarations associated with hazardous materials incidents in Colusa County. The NCDC contains no records of hazardous materials incidents in the County. US DOT identifies 3 past spills since 1970. ➢ CAN THE COUNTY PROVIDE INFORMATION ON PAST INCIDENTS OR SPECIFIC CONCERNS/ISSUES? ➢ Likelihood of Future Occurrence: Occasional ➢ Vulnerability: Medium ➢ Priority Hazard?

Landslides, Mudslides, and Debris Flows

➢ There have been no disaster declarations associated with landslides in Colusa County. The NCDC contains no records of landslides in the County. ➢ Landslide mapping indicate that portions of the western County are at moderate to high risk for landslides. ➢ WHAT SPECIFIC AREAS ARE AT RISK TO LANDSLIDES? ➢ CAN THE COUNTY PROVIDE INFORMATION ON PAST LANDSLIDE EVENTS? ➢ Likelihood of Future Occurrence: Likely ➢ Vulnerability: Medium ➢ Priority Hazard?

Levee Failure

➢ Agricultural levees and other flood control levees have been constructed in many areas of Colusa, mostly on the eastern side of the County. Many of the agricultural levees only provide protection from the 5 to 20 percent annual chance flood event (5 to 20-year flood). While flood control levees generally provide greater protection. ➢ CAN WE GET A LIST OF LEVEES SEGMENTS AND THE LEVELS OF PROTECTION THEY PROVIDE? CERTIFIED VS. NON-CERTIFIED LEVEES? ➢ IS THERE A LEVEE INVENTORY/STATUS MAP? ➢ No disaster declarations associated with levee failures; the NCDC does not identify any levee failure events.

Colusa County Appendix A.42 Local Hazard Mitigation Plan Update October 2018 ➢ ANY PAST LEVEE FAILURE EVENTS TO NOTE? ➢ Likelihood of Future Occurrence: Occasional ➢ Vulnerability: High? Or Extremely High? ➢ Priority Hazard

Severe weather

Extreme Cold and Freeze

➢ Annual occurrences of cold temperatures. The lowest recorded daily extreme was 15°F on December 12, 1972. In a typical year, minimum temperatures fall below 32°F on 25.1 days. ➢ The County has had 1 past federal and 2 past state disaster declarations for extreme cold and freeze. NCDC did not identify any extreme cold or freeze events. ➢ PLEASE PROVIDE DETAILS ON EXTREME COLD AND FREEZE EVENTS IN THE COUNTY. ➢ Likelihood of Future Occurrence: Highly Likely ➢ Vulnerability: Medium ➢ Priority Hazard

Extreme Heat

➢ Annual occurrences of hot temperatures. The highest recorded daily extreme was 113°F on August 9, 1978. In a typical year, maximum temperatures exceed 90°F on 88.9 days. ➢ Only 3 extreme heat event (NCDC) from 1993-2018; No state or federal disaster declarations ➢ PLEASE PROVIDE DETAILS ON EXTREME HEAT EVENTS IN THE COUNTY. ➢ Likelihood of Future Occurrence: Highly Likely ➢ Vulnerability: Medium ➢ Non-Priority Hazard

Heavy rains and storms (Hail, Lightning, Wind)

➢ Significant County history: annual occurrences ➢ The NCDC data recorded 22 hail, heavy rain, wind, and tornado incidents for Colusa County since 1950. ➢ There have been 13 federal and 18 state declarations since 1950 for flooding and severe storms. ➢ CAN THE HMPC PROVIDE DETAILS ON HEAVY RAIN AND STORM EVENTS IN THE COUNTY. JANUARY 2017 STORMS – PA SHEEETS? ➢ Severe storms/heavy rains are the primary cause of most major flooding ➢ Likelihood of Future Occurrence: Highly Likely ➢ Vulnerability: High ➢ Priority Hazard

High Winds and Tornadoes

➢ Significant County history: annual occurrences ➢ The NCDC data recorded 19 high wind and tornado incidents for Colusa County since 1950. All tornado events were EF0 intensities.

Colusa County Appendix A.43 Local Hazard Mitigation Plan Update October 2018 ➢ CAN THE HMPC PROVIDE INFORMATION ON PAST HIGH WINDS AND TORNADO EVENTS AND DAMAGES? WHAT ARE THE PRIMARY CONCERNS TO THE COUNTY? ➢ Likelihood of Future Occurrence: Highly Likely ➢ Vulnerability: High ➢ Priority Hazard

Stream Bank Erosion

➢ Stream bank erosion processes are driven by two major components: stream bank characteristics (erodibility) and hydraulic/gravitational forces. Stream bank erosion occurs on rivers, streams, and other moving waterways in the County ➢ WHAT ARE THE PRIMARY AREAS/CONCERNS/IMPACTS ASSOCIATED WITH STREAM BANK EROSION IN THE COUNTY? ➢ Likelihood of Future Occurrence: Likely ➢ Vulnerability: Medium ➢ Priority Hazard

Subsidence

➢ Land subsidence is defined as the sinking of the land over man-made or natural underground voids. ➢ There are several primary causes of subsidence: subsidence from groundwater pumping, the settling of the ground over abandoned mine workings. Karst areas can also present a concern for subsidence. There are some abandoned mines in the County; Very little karst exists in the County. ➢ ARE THERE SPECIFIC KNOWN AREAS PRONE TO SUBSIDENCE? WHAT ARE THE PRIMARY CAUSES OF SUBSIDENCE IN THE COUNTY? CAN THE COUNTY PROVIDE INFORMATION ON PAST SUBSIDENCE EVENTS? ➢ Likelihood of Future Occurrence: Occasional ➢ Vulnerability: Medium ➢ Non-Priority Hazard

Volcano

➢ Of the approximately 20 volcanoes in the State, only a few are active and pose a threat. Of these, Clear Lake volcano is the closest to Colusa County, with last significant activity 10,000 years ago. ➢ The Clear Lake area has intense geothermal activity, caused by a large, still hot silicic magma chamber about 14 km wide and 7 km beneath the surface. Hydrogen sulfide, carbon dioxide and methane gases leach out from underground magma through hot springs and during volcanic activity. ➢ SIGNIFICANT PAST OCCURRENCES? ANY MAJOR ISSUES? ➢ Likelihood of Future Occurrence: Likely ➢ Vulnerability: Medium ➢ Priority Hazard

Wildfire

➢ Wildfires occur on an annual basis in the Colusa County Planning Area.

Colusa County Appendix A.44 Local Hazard Mitigation Plan Update October 2018 ➢ Any ignition has the potential to become an out of control wildfire. But, due to terrain, fuels (vast ag land), and location of built environment and populations, wildfire risk is generally not a significantly high concern in the County. ➢ The General Plan indicates that wildfires are a minor threat to the Colusa County Planning Area, based on historical data, and input from area fire departments. ➢ 1 state disaster declarations for Wildfire in 1997; 1 NCDC wildfire event in 1999. ➢ Likelihood of Future Occurrence: Highly Likely ➢ Vulnerability: High ➢ Priority Hazard Data Needs

Review of Key Items to date:

• Hazard-specific data (from today’s risk assessment review) o Hazard ID tables o Historic Hazard Worksheets or list of past hazard occurrences and impact to jurisdiction • Vulnerability and Capability Worksheets • Mitigation Action Strategy Status Update (for 2006 plan participants)

Other Data Items:

• Hazardous Materials Routes established • Critical Facilities – finalize definition, layer, and analysis • Future Development Areas/: Future and since 2006 LHMP • Levee Inventory/Status Map & Data

Colusa County Appendix A.45 Local Hazard Mitigation Plan Update October 2018 A.8.3. Mitigation Strategy Meeting Handouts

Handouts specific to the Mitigation Strategy Meeting can be found in Appendix C.

A.8.4. Final Meeting Handouts

TO BE INSERTED

Colusa County Appendix A.46 Local Hazard Mitigation Plan Update October 2018

Appendix B References

2003 Colusa County Flood Insurance Study

2005 Colusa County Hazard Mitigation Plan

2010 Colusa County General Plan Background Report)

2012 Colusa County General Plan

2012 Colusa County General Plan Land Use Element

2012 Colusa County General Plan Safety Element

2012 Sacramento River Individual Agency Summary Reports

2014 Colusa County Housing Element Background Report

2017 Watershed Emergency Response Team Evaluation - Sulphur Fire

2018 State of California Multi-Hazard Mitigation Plan

America's Labor Market Information System (ALMIS) Employer Database, 2017 1st Edition.

ArkStorm at Tahoe - Stakeholder Perspectives on Vulnerabilities and Preparedness for an Extreme Storm Event in the Greater Lake Tahoe, Reno and Carson City Region. 2014.

Cal Atlas

CAL FIRE GIS datasets

CAL FIRE Wildfire History Database

Cal-Adapt

Cal-Adapt – Precipitation: Decadal Averages Map

Cal-Adapt – Temperature: Decadal Averages Map

California Adaptation Planning Guide

California Climate Adaptation Strategy

California Department of Conservation

Colusa County Appendix B-1 Local Hazard Mitigation Plan Update October 2018

California Department of Conservation, Office of Mine Reclamation

California Department of Finance, E-1 Report

California Department of Finance, E-4 Report

California Department of Finance, P-1 Report

California Department of Fish and Wildlife’s Natural Diversity Database

California Department of Food and Agriculture

California Department of Parks and Recreation Office of Historic Preservation

California Department of Public Health

California Department of Water Resources Best Available Maps

California Department of Water Resources DAC Mapping Tool

California Department of Water Resources Division of Safety of Dams

California Division of Mines and Geology

California Employment Development Department

California Invasive Plant Council

California Native Plant Society

California Natural Diversity Database – BIOS Viewer Tool

California Natural Resource Agency

California Office of Emergency Services

California Office of Emergency Services – Dam Inundation Data

California Office of Historic Preservation

California’s Drought of 2007-2009, An Overview. State of California Natural Resources Agency, California Department of Water Resources.”

Cal-IPC

CalTrans, Truck Networks on California State Highways. 2015.

Climate Change and Health Profile Report – Colusa County

Colusa County Appendix B-2 Local Hazard Mitigation Plan Update October 2018

Climate Change Impacts in the United States

Colusa County 2017

Colusa County Agricultural Commissioner Crop Reports

Colusa County Assessor’s Office

Colusa County Building Department

Colusa County Digital Flood Insurance Rate Map

Colusa County Emergency Operations Plan

Colusa County Flood Insurance Study

Colusa County Flood Management Plan

Colusa County General Plan Background Report

Colusa County General Plan Environmental Impact Report

Colusa County GIS data

Colusa County Website – History page

County and City staff

Enhanced Fujita Scale. National Oceanic and Atmospheric Administration Storm Prediction Center.

Existing plans and studies

Federal Emergency Management Agency – Disaster Declaration Database

Federal Emergency Management Agency – Wind Zones in the United States

Federal Emergency Management Agency: Building Performance Assessment: Oklahoma and Kansas Tornadoes

Federal Emergency Management Agency: Multi-Hazard Identification and Risk Assessment.

FEMA Digital Flood Insurance Rate Map.

FEMA Disaster Declaration Database

FEMA Madera County Flood Insurance Study.

FEMA’s HAZUS-MH 3.2 GIS-based inventory data

Colusa County Appendix B-3 Local Hazard Mitigation Plan Update October 2018

Galloway, Jr Dr. Gerald E. Levees in History: The Levee Challenge. Water Policy Collaborative, University of Maryland, Visiting Scholar, USACE, IWR.

HMPC input

Intergovernmental Panel on Climate Change

Kenward, Alyson PhD, Adams-Smith, Dennis, and Raja, Urooj. Wildfires and Air Pollution – The Hidden Health Hazards of Climate Change. Climate Central. 2013.

Liu, J.C., Mickley, L.J., Sulprizio, M.P. et al. Climatic Change. 138: 655. doi:10.1007/s10584-016-1762- 6. 2016.

Multi-Hazard Identification and Risk Assessment, FEMA 1997

National Aeronautics and Space Administration

National Climate Assessment

National Climatic Data Center Storm Events Database.

National Drought Mitigation Center

National Drought Mitigation Center – Drought Impact Reporter

National Flood Insurance Program

National Institute of Building Science Multi-Hazard Mitigation Council 2017 Interim Report

National Integrated Drought Information System

National Levee Database

National Oceanic and Atmospheric Administration Storm Prediction Center

National Oceanic and Atmospheric Administration’s National Climatic Data Center

National Park Service

National Park Service – Historic American Buildings Survey and Historic American Engineering Record

National Performance of Dams Program

National Weather Service HeatRisk

Personal interviews with planning team members and staff from the County and participating jurisdictions

Proceedings of the National Academy of Sciences

Colusa County Appendix B-4 Local Hazard Mitigation Plan Update October 2018

Public Health Alliance of Southern California

Public Policy Institute of California. If drought continues: Environment and poor rural communities most likely to suffer. [press release].

References

Science Magazine

Southern California Association of Governments

State of California Department of Conservation Farmland Mapping and Monitoring Program

Statewide GIS datasets from other agencies such as Cal OES, FEMA, USGS, CGS, Cal Atlas, and others

Underwood, E. Models predict longer, deeper US droughts. Science, 347(6223) 707 DOI: 10.1126/science.347.6223.707. 2015.

United State Geologic Survey. Earthquake Intensity Zonation and Quaternary Deposits, Miscellaneous Field Studies Map 9093, 1977.

University of California

US Army Corps of Engineers

US Bureau of Reclamation

US Census Bureau 2010 Census

US Census Bureau 2010 Household Population Estimates

US Census Bureau 2016 American Community Survey

US Department of Agriculture

US Department of Agriculture – Farm Service Agency Secretarial Disasters Declarations

US Department of Transportation Pipeline and Hazardous Materials Safety Administration

US Drought Monitor

US Fish and Wildlife Service

US Fish and Wildlife Service’s National Wetlands Inventory maps

US Geological Survey

US Geological Survey – Biological Resource Division

Colusa County Appendix B-5 Local Hazard Mitigation Plan Update October 2018

US Geological Survey – Volcanic Ash: Effect & Mitigation Strategies

US Geological Survey Landslide Maps

US Geological Survey Open File Report 2015‐3009

US Geological Survey Publication 2014-3120

US Natural Resource Conservation Service

USA Today

USFS GIS datasets

Vaisala National Lightning Detection Network

Western Regional Climate Center

Written descriptions of inventory and risks provided by Colusa County

Colusa County Appendix B-6 Local Hazard Mitigation Plan Update October 2018

Appendix C Mitigation Strategy

C.1 Mitigation Strategy Meeting Handout

Colusa County Local Hazard Mitigation Plan Update Mitigation Strategy Meetings July 24 & 25, 2018

Table of Contents:

Agenda

Day 1:

➢ Hazard Identification & Profiles…4 ➢ Risk Assessment Methodology…5 ➢ Risk Assessment Summary …6 ➢ Colusa County Priority Hazards…12 ➢ LHMP Update: Data Needs…13 ➢ Mitigation Strategy: Goals…14 ➢ Sample Goals from Other Plans…15 ➢ Goals Development…17

Day 2:

➢ Mitigation Strategy: Actions …19 ➢ Categories of Mitigation Measures…19 ➢ Mitigation Strategy: Action Plan…24 ➢ Mitigation Criteria …24 ➢ Initial Prioritization Instructions…27 ➢ Mitigation Action Worksheet …28

Jeanine Foster ([email protected]) Foster Morrison Consulting, Ltd. (303) 717-7171

Brenna Howell ([email protected]) Howell Consulting, Inc.

Colusa County C-1 Local Hazard Mitigation Plan Update October 2018 AGENDA

Colusa County Local Hazard Mitigation Plan (LHMP) Update Mitigation Strategy Meetings July 24 & 25, 2018

HMPC Meeting #3:

1. Introductions 2. Status of the DMA Planning Process 3. Risk Assessment Update 4. Develop Updated Plan Goals and Objectives 5. Identify and discuss Mitigation Alternatives/Actions/Projects

HMPC Meeting #4:

1. Introductions 2. Identify and discuss Mitigation Alternatives/Actions/Projects 3. Review Mitigation Selection Criteria 4. Prioritize Mitigation Projects 5. Review of Schedule/Data Needs 6. PG&E Overview of Community Wildfire Safety Program

Colusa County C-2 Local Hazard Mitigation Plan Update October 2018 Mitigation Strategy Meetings Day 1

Colusa County C-3 Local Hazard Mitigation Plan Update October 2018 Hazard Identification & Profiles

Probability of Climate Geographic Future Magnitude/ Change Hazard Extent Occurrences Severity Significance Influence Ag Hazards: Severe Weather/Insect Pests Extensive Highly Likely Catastrophic High High Climate Change Extensive Highly Likely Critical High --- Dam Failure Extensive Occasional Catastrophic High Medium Drought and Water Shortage Extensive Likely/Occasional Critical High High Earthquake (minor/major) Limited Occasional/Unlikely Limited Low Low Flood: 100/200/500-year Extensive Occasional/Unlikely Catastrophic High High Flood: Localized/Stormwater Significant Highly Likely Limited Medium Medium Hazardous Materials Transportation Limited Highly Likely Limited Medium Low Landslide, Mudslide, and Debris Flows Limited Likely Limited Medium Low Levee Failure Extensive Likely Catastrophic High Medium Severe Weather: Extreme Cold/Freeze Extensive Highly Likely Critical Medium Medium Severe Weather: Extreme Heat Extensive Highly Likely Limited Low High Severe Weather: Heavy Rains and High Storms (winds, hail, lightning) Extensive Highly Likely Critical Medium Severe Weather: High Extensive Highly Likely/ Limited Medium Low Winds/Tornadoes Occasional Stream Bank Erosion Significant Highly Likely Limited Medium Medium Subsidence Limited Likely Limited Medium Medium Volcano Extensive Unlikely Catastrophic Low Low Wildfire (smoke, tree mortality) Significant Highly Likely Critical Medium Medium Geographic Extent Magnitude/Severity Limited: Less than 10% of Planning Catastrophic—More than 50 percent of property severely damaged; shutdown Area of facilities for more than 30 days; and/or multiple deaths Significant: 10-50% of Planning Area Critical—25-50 percent of property severely damaged; shutdown of facilities for Extensive: 50-100% of Planning Area at least two weeks; and/or injuries and/or illnesses result in permanent disability Probability of Future Occurrences Limited—10-25 percent of property severely damaged; shutdown of facilities Highly Likely: Near 100% chance of for more than a week; and/or injuries/illnesses treatable do not result in occurrence in next year, or happens permanent disability every year. Negligible—Less than 10 percent of property severely damaged, shutdown of Likely: Between 10 and 100% chance facilities and services for less than 24 hours; and/or injuries/illnesses treatable of occurrence in next year, or has a with first aid recurrence interval of 10 years or less. Significance Occasional: Between 1 and 10% Low: minimal potential impact chance of occurrence in the next year, Medium: moderate potential impact or has a recurrence interval of 11 to High: widespread potential impact 100 years. Climate Change Impact: Unlikely: Less than 1% chance of Low: Climate change is not likely to increase the probability of this hazard. occurrence in next 100 years, or has a Medium: Climate change is likely to increase the probability of this hazard. recurrence interval of greater than High: Climate change is very likely to increase the probability of this hazard. every 100 years. Risk Assessment Methodology

Colusa County C-4 Local Hazard Mitigation Plan Update October 2018 Calculating Likelihood of Future Occurrence

➢ Highly Likely: Near 100% chance of occurrence in next year, or happens every year. ➢ Likely: Between 10 and 90% chance of occurrence in next year, or has a recurrence interval of 10 years or less. ➢ Occasional: Between 1 and 10% chance of occurrence in the next year, or has a recurrence interval of 11 to 100 years. ➢ Unlikely: Less than 1% chance of occurrence in next 100 years, or has a recurrence interval of greater than every 100 years.

Calculating Vulnerability

Vulnerability is measured in general, qualitative terms, and is a summary of the potential impact based on past occurrences, spatial extent, and damage and casualty potential:

➢ Extremely Low: The occurrence and potential cost of damage to life and property is very minimal to non-existent. ➢ Low: Minimal potential impact. The occurrence and potential cost of damage to life and property is minimal. ➢ Medium: Moderate potential impact. This ranking carries a moderate threat level to the general population and/or built environment. Here the potential damage is more isolated and less costly than a more widespread disaster. ➢ High: Widespread potential impact. This ranking carries a high threat to the general population and/or built environment. The potential for damage is widespread. Hazards in this category may have already occurred in the past. ➢ Extremely High: Very widespread and catastrophic impact.

Defining Significance (Priority) of a Hazard

Colusa County C-5 Local Hazard Mitigation Plan Update October 2018 Risk Assessment Summary: Colusa County Planning Area

Agricultural Hazard

Climate Change

➢ The 2018 State of California Multi-Hazard Mitigation Plan stated that climate change is already affecting California. Sea levels have risen by as much as seven inches along the California coast over the last century, increasing erosion and pressure on the state’s infrastructure, water supplies, and natural resources. The State has also seen increased average temperatures, more extreme hot days, fewer cold nights, a lengthening of the growing season, shifts in the water cycle with less winter precipitation falling as snow, and both snowmelt and rainwater running off sooner in the year. Climate Change has the potential to alter the nature and frequency of most hazards. ➢ ANY HMPC INPUT ON CLIMATE CHANGE ISSUES IN COLUSA COUNTY? ➢ Likelihood of Future Occurrence: Highly Likely ➢ Vulnerability: Medium ➢ Priority Hazard

Dam failure

➢ According to data provided by Cal OES and National Performance of Dam’s data, there are 7 dams of concern to Colusa County constructed for flood control, storage, electrical generation, and recreational purposes. All of these are high hazard dams. ➢ According to the General Plan Background Report, five dams which retain water from tributaries of the Sacramento River could cause damage in Colusa County if their dams were to fail: Lake Oroville, Lake Shasta, Whiskeytown Lake, Black Butte Lake, and East Park Reservoir. Of these, only East Park is located in the County. ➢ Indian Valley and Thermalito AB also have inundation areas that intersect into Colusa. ➢ However, the HMPC indicated that the County is trying to remove East Park from the dam list, based on it being a Stock Pond. Further it only affects 2 parcels, only one of which is developed and categorized as agricultural land use. ➢ ARE THERE ANY PAST OCCURRENCES OF DAM FAILURES? ➢ Likelihood of Future Occurrence: Occasional ➢ Vulnerability: Extremely High ➢ Priority Hazard

Colusa County C-6 Local Hazard Mitigation Plan Update October 2018 Drought and Water Shortage

➢ Historical drought data for the Colusa County Planning Area and region indicate there have been 5 significant droughts in the last 84 years. ➢ Since 2012, snowpack levels in California had dropped dramatically. 2015 estimates place snowpack at 5 percent of normal levels. However, snowpack levels increased in 2016 and in 2017 snowpack levels were the highest they’ve been in 22 years. But then back down again in 2018. ➢ 2 disaster declarations (1977 and 2014) for Colusa County since 1950. There have been no NCDC drought events in Colusa County. This is likely due to underreporting of drought events to this database. ➢ HMPC – CAN YOU PROVIDE DAMAGES OR RESTRICTIONS THAT HAVE OCCURRED IN THE COUNTY RECENTLY DUE TO THE MOST RECENT DROUGHT. WHAT HAS BEEN IMPACTED THE MOST? ➢ Likelihood of Future Occurrence: Drought - Likely/Water supply - Occasional ➢ Vulnerability: High ➢ Priority Hazard

Earthquake

➢ The General Plan Background Report noted that there are no known active faults within the County; however, the area could experience considerable ground shaking generated by faults outside Colusa County. ➢ The USGS National Seismic Hazard Maps provides acceleration and probabilities for various time periods. This data indicates that the expected severity of earthquakes in the region is mostly moderate, with areas in the southwest corner of the County in the high range. ➢ There have been no disaster declarations in the County. No major earthquakes have been recorded within the County; although the County has felt ground shaking from earthquakes with epicenters located elsewhere. HMPC – WERE THERE ISSUES IN THE COUNTY FROM HISTORICAL EARTHQUAKES? ➢ Likelihood of Future Occurrence: Unlikely – large, damaging earthquake; Occasional – minor earthquake ➢ Vulnerability: Medium ➢ Priority Hazard

Flood Hazards

100/500 year

Colusa County C-7 Local Hazard Mitigation Plan Update October 2018 ➢ Priority Hazard

Localized/Stormwater flooding

Hazardous Materials Transportation

Landslides, Mudslides, and Debris Flows

Levee Failure

Colusa County C-8 Local Hazard Mitigation Plan Update October 2018 ➢ Likelihood of Future Occurrence: Occasional ➢ Vulnerability: High ➢ Priority Hazard

Severe weather

Extreme Cold and Freeze

Extreme Heat

Heavy rains and storms (Hail, Lightning, Wind)

High Winds and Tornadoes

➢ Significant County history: annual occurrences ➢ The NCDC data recorded 19 high wind and tornado incidents for Colusa County since 1950. All tornado events were EF0 intensities. ➢ CAN THE HMPC PROVIDE INFORMATION ON PAST HIGH WINDS AND TORNADO EVENTS AND DAMAGES? WHAT ARE THE PRIMARY CONCERNS TO THE COUNTY?

Colusa County C-9 Local Hazard Mitigation Plan Update October 2018 ➢ Likelihood of Future Occurrence: Highly Likely ➢ Vulnerability: High ➢ Priority Hazard

Stream Bank Erosion

➢ Stream bank erosion processes are driven by two major components: stream bank characteristics (erodibility) and hydraulic/gravitational forces. Stream bank erosion occurs on rivers, streams, and other moving waterways in the County ➢ WHAT ARE THE PRIMARY AREAS/CONCERNS/IMPACTS ASSOCIATED WITH STREAM BANK EROSION IN THE COUNTY? ➢ Likelihood of Future Occurrence: Highly Likely ➢ Vulnerability: Medium ➢ Priority Hazard

Subsidence

Volcano

➢ Of the approximately 20 volcanoes in the State, only a few are active and pose a threat. Of these, Clear Lake volcano is the closest to Colusa County, with last significant activity 10,000 years ago. ➢ The Clear Lake area has intense geothermal activity, caused by a large, still hot silicic magma chamber about 14 km wide and 7 km beneath the surface. Hydrogen sulfide, carbon dioxide and methane gases leach out from underground magma through hot springs and during volcanic activity. ➢ SIGNIFICANT PAST OCCURRENCES? ANY MAJOR ISSUES? ➢ Likelihood of Future Occurrence: Unlikely ➢ Vulnerability: Medium ➢ Priority Hazard

Wildfire

➢ Wildfires occur on an annual basis in the Colusa County Planning Area. ➢ Any ignition has the potential to become an out of control wildfire. But, due to terrain, fuels (vast ag land), and location of built environment and populations, wildfire risk is generally not a significantly high concern in the County.

Colusa County C-10 Local Hazard Mitigation Plan Update October 2018 ➢ The General Plan indicates that wildfires are a minor threat to the Colusa County Planning Area, based on historical data, and input from area fire departments. ➢ 1 state disaster declarations for Wildfire in 1997; 1 NCDC wildfire event in 1999. ➢ Likelihood of Future Occurrence: Highly Likely ➢ Vulnerability: High ➢ Priority Hazard Colusa County Priority Hazards

➢ Agricultural Hazards ➢ Climate Change ➢ Dam Failure ➢ Drought & Water Shortage ➢ Earthquake (non-priority County hazard; primary CA hazard) ➢ Flood: 1%/0.2% annual chance ➢ Flood: Localized/Stormwater ➢ Hazardous Materials Transportation ➢ Landslide, Mudslide & Debris Flows ➢ Levee Failure ➢ Severe Weather: Extreme Cold and Freeze ➢ Severe Weather: Heavy Rains, Snow, and Storms ➢ Severe Weather: Heavy Rains and Storms (wind, hail, lightning) ➢ Severe Weather: High Winds and Tornadoes ➢ Stream Bank Erosion ➢ Subsidence ➢ Volcano ➢ Wildfire

Non-Priority Hazards: ➢ Severe Weather: Extreme Heat ➢ Volcano City of Colusa

Non-Priority Hazards: ➢ ➢ City of Williams

Non-Priority Hazards: ➢ ➢

Colusa County C-11 Local Hazard Mitigation Plan Update October 2018 Data Needs

Review of Key Items to date:

• Hazard-specific data (from Chapter 4 – Risk Assessment) o Hazard ID tables o Historic Hazard Worksheets or list of past hazard occurrences and impact to jurisdiction • Vulnerability and Capability Worksheets

Other Key Data Items:

• Mitigation Action Strategy Status Update (for 2005 plan participants) • EOC Activations • 2017 Winter Storm damages • Critical Facilities – finalize definition, layer, and analysis • Levee Inventory/Status Map & Data • Mitigation Actions/Projects

Colusa County C-12 Local Hazard Mitigation Plan Update October 2018 Mitigation Strategy: Goals

The most important element of the LHMP is the resulting mitigation strategy which serves as the long-term blueprint for reducing the potential losses identified in the risk assessment. The mitigation strategy is comprised of three components:

1. Mitigation Goals 2. Mitigation Actions 3. Action (Implementation) Plan

Mitigation Goals

Up to now, the HMPC has been involved in collecting and providing data for the Colusa County Local Hazard Mitigation Plan Update. From this information, a Risk Assessment has been developed that describes the risk and vulnerability of the Colusa County planning area to identified hazards and includes an assessment of the area’s current capabilities for countering these threats through existing policies, regulations, programs, and projects.

This analysis identifies areas where improvements could or should be made. Formulating Goals will lead us to incorporating these improvements into the Mitigation Strategy portion of the plan. Our planning goals should provide direction for what loss reduction activities can be undertaken to make the planning area more disaster resistant.

Mitigation Goals are general guidelines that represent the community’s vision for reducing or avoiding losses from identified hazards. Goals are stated without regard for achievement, that is, implementation cost, schedule, and means are not considered. Goals are public policy statements that:

➢ Represent basic desires of the jurisdiction; ➢ Encompass all aspects of planning area, public and private; ➢ Are nonspecific, in that they refer to the quality (not the quantity) of the outcome; ➢ Are future-oriented, in that they are achievable in the future; and ➢ Are time-independent, in that they are not scheduled events.

While goals are not specific (quantitative), they should not be so general as to be meaningless or unachievable.

Goals statements will form the basis for objectives. They should be stated in such a way as to develop one or more objectives related to each goal.

The key point in writing goals is to remember that they must deal with results, not the activities that produce those results.

Finally, before we formulate our goals, we should discuss other planning area goals from other regional/county/city programs and priorities. This keeps us from “reinventing the wheel,” as well as being consistent with Multi-Objective Management --- or “MOM” --- where communities strive for efficiency by combining projects/needs that are similar in nature or location. Utilizing “MOM” effectively can result in

Colusa County C-13 Local Hazard Mitigation Plan Update October 2018 identifying multiple sources of funding that can be “packaged” and broadening the supporting constituency base by including “outcomes” desired by various stakeholder groups.

Types/Sources of other area mitigation plans and programs include:

➢ General Plans ➢ Stormwater Program and Plans ➢ Flood/Watershed Management Plans and Studies ➢ Drought Plans ➢ Community Wildfire Protection Plans ➢ Strategic Fire Plans ➢ Dam Emergency Action Plans ➢ Emergency Operations Plans ➢ Climate Adaptation Plans ➢ Other? Sample Goals from other Plans

Goals from the 2018 California State Hazard Mitigation Plan

1. Significantly reduce life loss and injuries.

2. Minimize damage to structures and property, as well as minimizing interruption of essential services and activities.

3. Protect the environment.

4. Promote community resilience through integration of hazard mitigation with public policy and standard business practices. Goals from the Colusa County General Plan Safety Element, 2008

➢ Goal SA-1: Ensure the safety of County residents, businesses, and visitors from hazardous conditions, including natural catastrophes and human-caused emergencies.

✓ Objectives: SA 1-A: Ensure that Colusa County is prepared to provide an organized response to natural and human-caused emergencies ✓ SA 1-B: Ensure that planning and development procedures identify and mitigate potential hazards ✓ SA 1-C: Reduce risks to human life and property from seismic and geologic hazards. ✓ SA 1-D: Take appropriate steps to reduce the risks to life, property, and public services associated with flooding ✓ SA 1-E: Strive to maintain an adequate system of levees that provide flood protection to areas throughout the County ✓ SA 1-F: Reduce risks to life and property from dam inundation ✓ SA 1-G: Minimize risks to human life and property from fire in both developed and undeveloped areas of the County ✓ SA 1-H: Minimize risks to residents and the environment from hazardous materials and waste

Colusa County C-14 Local Hazard Mitigation Plan Update October 2018 ✓ SA 1-I: Protect lives and property from hazards associated with airport operations

Goals from the Colusa County Emergency Operations Plan (EOP), 2016

Operational Goals: During the response phase, the agencies that are charged with responsibilities in this plan should focus on the following five goals:

➢ Mitigate hazards. ➢ Meet basic human needs. ➢ Address needs of People with Access and Functional Needs (PAFN). ➢ Restore essential services. ➢ Support community and economic recovery.

Operational Priorities: Operational priorities govern resource allocation and the response strategies for the County of Colusa and its political subdivisions during an emergency. Below are operational priorities addressed in this plan:

➢ Save Lives – The preservation of life is the top priority of emergency managers and first responders and takes precedence over all other considerations. ➢ Protect Health and Safety – Measures should be taken to mitigate the emergency’s impact on public health and safety. ➢ Protect Property – All feasible efforts must be made to protect public and private property and resources, including critical infrastructure, from damage during and after an emergency. ➢ Preserve the Environment – All possible efforts must be made to preserve California’s environment and protect it from damage during an emergency.

Colusa County C-15 Local Hazard Mitigation Plan Update October 2018 Goals Development

You will each be given 3 sticky notes. On each note you will write what you think the goals for this mitigation planning effort should be. To get you started, provided below are possible goals for this mitigation plan. You may reword these or develop your own. These goal statements should serve as examples. It is vital that our Hazard Mitigation Planning Committee establish its own goals. Use one note card for each goal. The purpose of the goal development is to reach a consensus on plan goals.

➢ Minimize risk and vulnerability from natural hazards ➢ Increase communities’ awareness of vulnerability to hazards ➢ Increase the use of shared resources ➢ Improve communities’ capabilities to mitigate losses ➢ Maintain coordination of disaster plans with changing DHS/FEMA needs ➢ Maintain FEMA eligibility/position jurisdictions for grant funding ➢ Maintain/enhance the flood mitigation program to provide 200/500-year flood protection ➢ Maintain current service levels ➢ Provide protection for existing buildings from hazards ➢ Provide protection for future development from hazards ➢ Provide protection for natural and cultural resources from hazard impacts ➢ Provide protection for people’s lives from hazards ➢ Provide protection for public health ➢ Provide protection for critical services (fire, police, etc.) from hazard impacts ➢ Provide protection for critical lifeline utilities from hazard impacts ➢ Reduce exposure to hazard related losses ➢ Reduce the number of emergency incidents ➢ Make better use of technology

When done, we will:

➢ Pin/tape them to the wall/easel-chart and arrange them by category ➢ Combine and reword them into 3-4 goals for the plan.

Colusa County C-16 Local Hazard Mitigation Plan Update October 2018 Mitigation Strategy Meetings Day 2

Colusa County C-17 Local Hazard Mitigation Plan Update October 2018 Mitigation Strategy: Actions

Mitigation Actions are specific projects and activities that help achieve the goals and accomplish risk reduction in the community.

Categories of Mitigation Measures

PREVENTION: Preventive measures are designed to keep the problem from occurring or getting worse. Their objective is to ensure that future development is not exposed to damage and does not increase damage to other properties.

➢ Planning ➢ Zoning ➢ Open Space Preservation ➢ Land Development Regulations ✓ Subdivision regulations ✓ Building Codes • Fire-Wise Construction ✓ Floodplain development regulations ✓ Geologic Hazard Areas development regulations (for roads too!) ➢ Storm Water Management ➢ Fuels Management, Fire-Breaks

EMERGENCY SERVICES: protect people during and after a disaster. A good emergency services program addresses all hazards. Measures include:

➢ Warning (flooding, tornadoes, winter storms, geologic hazards, fire) ✓ NOAA Weather Radio ✓ Sirens ✓ “Reverse 911” (Emergency Notification System) ➢ Emergency Response ✓ Evacuation & Sheltering ✓ Communications ✓ Emergency Planning • Activating the EOC (emergency management) • Closing streets or bridges (police or public works) • Shutting off power to threatened areas (utility company) • Holding/releasing children at school (school district) • Ordering an evacuation (mayor) • Opening emergency shelters (Red Cross) • Monitoring water levels (engineering) • Security and other protection measures (police) ➢ Critical Facilities Protection (Buildings or locations vital to the response and recovery effort, such as police/fire stations, hospitals, sewage treatment plants/lift stations, power substations)

Colusa County C-18 Local Hazard Mitigation Plan Update October 2018 ✓ Buildings or locations that, if damaged, would create secondary disasters, such as hazardous materials facilities and nursing homes ✓ Lifeline Utilities Protection ➢ Post-Disaster Mitigation ➢ Building Inspections ✓ ID mitigation opportunities & funding before reconstruction

PROPERTY PROTECTION: Property protection measures are used to modify buildings subject to damage rather than to keep the hazard away. A community may find these to be inexpensive measures because often they are implemented by or cost-shared with property owners. Many of the measures do not affect the appearance or use of a building, which makes them particularly appropriate for historical sites and landmarks.

➢ Retrofitting/disaster proofing ✓ Floods • Wet/Dry floodproofing (barriers, shields, backflow valves) • Relocation/Elevation • Acquisition • Retrofitting ✓ High Winds/Tornadoes • Safe Rooms • Securing roofs and foundations with fasteners and tie-downs • Strengthening garage doors and other large openings ✓ Winter Storms • Immediate snow/ice removal from roofs, tree limbs • “Living” snow fences ✓ Geologic Hazards (Landslides, earthquakes, sinkholes) • Anchoring, bracing, shear walls • Dewatering sites, agricultural practices • Catch basins ✓ Drought • Improve water supply (transport/storage/conservation) • Remove moisture competitive plants (Tamarisk/Salt Cedar) • Water Restrictions/Water Saver Sprinklers/Appliances • Grazing on CRP lands (no overgrazing-see Noxious Weeds) • Create incentives to consolidate/connect water services • Recycled wastewater on golf courses ✓ Wildfire, Grassfires • Replacing building components with fireproof materials • Roofing, screening • Create “Defensible Space” • Installing spark arrestors • Fuels Modification

Colusa County C-19 Local Hazard Mitigation Plan Update October 2018 ✓ Noxious Weeds/Insects • Mowing • Spraying • Replacement planting • Stop overgrazing • Introduce natural predators ➢ Insurance

NATURAL RESOURCE PROTECTION: Natural resource protection activities are generally aimed at preserving (or in some cases restoring) natural areas. In so doing, these activities enable the naturally beneficial functions of floodplains and watersheds to be better realized. These natural and beneficial floodplain functions include the following:

➢ storage of floodwaters ➢ absorption of flood energy ➢ reduction in flood scour ➢ infiltration that absorbs overland flood flow ➢ groundwater recharge ➢ removal/filtering of excess nutrients, pollutants, and sediments from floodwaters ➢ habitat for flora and fauna ➢ recreational and aesthetic opportunities

Methods of protecting natural resources include:

➢ Wetlands Protection ➢ Riparian Area/Habitat Protection/Threatened-Endangered Species ➢ Erosion & Sediment Control ➢ Best Management Practices

Best management practices (“BMPs”) are measures that reduce nonpoint source pollutants that enter the waterways. Nonpoint source pollutants come from non-specific locations. Examples of nonpoint source pollutants are lawn fertilizers, pesticides, and other farm chemicals, animal wastes, oils from street surfaces and industrial areas and sediment from agriculture, construction, mining and forestry. These pollutants are washed off the ground’s surface by stormwater and flushed into receiving storm sewers, ditches and streams. BMPs can be implemented during construction and as part of a project’s design to permanently address nonpoint source pollutants. There are three general categories of BMPs:

1. Avoidance: setting construction projects back from the stream. 2. Reduction: Preventing runoff that conveys sediment and other water-borne pollutants, such as planting proper vegetation and conservation tillage. 3. Cleanse: Stopping pollutants after they are en route to a stream, such as using grass drainageways that filter the water and retention and detention basins that let pollutants settle to the bottom before they are drained

➢ Dumping Regulations ➢ Set-back regulations/buffers

Colusa County C-20 Local Hazard Mitigation Plan Update October 2018 ➢ Fuels Management ➢ Water Use Restrictions ➢ Landscape Management ➢ Weather Modification

STRUCTURAL: Projects that have traditionally been used by communities to control flows and water surface elevations. Structural projects keep flood waters away from an area. They are usually designed by engineers and managed or maintained by public works staff. These measures are popular with many because they “stop” flooding problems. However, structural projects have several important shortcomings that need to be kept in mind when considering them for flood hazard mitigation:

➢ They are expensive, sometimes requiring capital bond issues and/or cost sharing with Federal agencies, such as the U.S. Army Corps of Engineers or the Natural Resources Conservation Service. ➢ They disturb the land and disrupt natural water flows, often destroying habitats or requiring Environmental Assessments. ➢ They are built to a certain flood protection level that can be exceeded by a larger flood, causing extensive damage. ➢ They can create a false sense of security when people protected by a structure believe that no flood can ever reach them. ➢ They require regular maintenance to ensure that they continue to provide their design protection level.

Structural measures include: ➢ Detention/Retention structures ➢ Erosion and Sediment Control ➢ Basins/Low-head Weirs ➢ Channel Modifications ➢ Culvert resizing/replacement/Maintenance ➢ Levees and Floodwalls ➢ Anchoring, grading, debris basins (for landslides) ➢ Fencing (for snow, sand, wind) ➢ Drainage System Maintenance ➢ Reservoirs (for flood control, water storage, recreation, agriculture) ➢ Diversions ➢ Storm Sewers

PUBLIC INFORMATION: A successful hazard mitigation program involves both the public and private sectors. Public information activities advise property owners, renters, businesses, and local officials about hazards and ways to protect people and property from these hazards. These activities can motivate people to take protection

➢ Hazard Maps and Data ➢ Outreach Projects (mailings, media, web, speakers, displays) ➢ Library Resources ➢ Real Estate Disclosure ➢ Environmental Education

Colusa County C-21 Local Hazard Mitigation Plan Update October 2018 Mitigation Strategy: Action Plan

The mitigation action plan describes how the mitigation actions will be implemented, including how those actions will be prioritized, administered, and incorporated into the community’s existing planning mechanism. Each participating jurisdiction must have a mitigation action(s) and an action plan specific to that jurisdiction and its priority hazards and vulnerabilities.

Mitigation Criteria

For use in selecting and prioritizing Proposed Mitigation Measures

1. STAPLEE

Social: Does the measure treat people fairly? (different groups, different generations)

➢ Community Acceptance ➢ Effect on Segment of Population ➢ Social Benefits

Technical: Will it work? (Does it solve the problem? Is it feasible?)

➢ Technical Feasibility ➢ Reduce Community Risk ➢ Long Term Solution/Sustainable ➢ Secondary Impacts

Administrative: Do you have the capacity to implement & manage project?

➢ Staffing ➢ Funding Allocated ➢ Maintenance/Operations

Political: Who are the stakeholders? Did they get to participate? Is there public support? Is political leadership willing to support?

➢ Political Support ➢ Local Champion ➢ Public Support ➢ Achieves Multiple Objectives ➢ Supported by a broad array of Stakeholders

Legal: Does your organization have the authority to implement? Is it legal? Are there liability implications?

➢ Existing Local Authority ➢ State Authority ➢ Potential Legal Challenges

Colusa County C-22 Local Hazard Mitigation Plan Update October 2018 Economic: Is it cost-beneficial? Is there funding? Does it contribute to the local economy or economic development?

➢ Benefit of Action ➢ Cost of Action ➢ Cost Effective/Economic Benefits ➢ Economically Viable ➢ Outside Funding Required

Environmental: Does it comply with Environmental regulations?

➢ Effect on Land/Water ➢ Effect on Endangered Species ➢ Effect on Cultural Resources ➢ Effect on Hazmat sites ➢ Consistent with Community Environmental Goals ➢ Consistent with Environmental Laws ➢ Environmental Benefits

2. SUSTAINABLE DISASTER RECOVERY

➢ Quality of Life ➢ Social Equity ➢ Hazard Mitigation ➢ Economic Development ➢ Environmental Protection/Enhancement ➢ Community Participation

3. SMART GROWTH PRINCIPLES

➢ Infill versus Sprawl ➢ Efficient Use of Land Resources ➢ Full Use of Urban Resources ➢ Mixed Uses of Land ➢ Transportation Options ➢ Detailed, Human-Scale Design

4. OTHER

➢ Does measure address area with highest risk? ➢ Does measure protect … ✓ The largest # of people exposed to risk? ✓ The largest # of buildings? ✓ The largest # of jobs? ✓ The largest tax income? ✓ The largest average annual loss potential? ✓ The area impacted most frequently?

Colusa County C-23 Local Hazard Mitigation Plan Update October 2018 ✓ Critical Infrastructure (access, power, water, gas, telecommunications) ➢ Timing of Available funding ➢ Visibility of Project ➢ Community Credibility

Colusa County C-24 Local Hazard Mitigation Plan Update October 2018 Mitigation Action Prioritization Instructions

Our Team recommendations are listed on flip-chart paper around the room.

You each have 3 sets of colored dots:

➢ 3 red dots ➢ 3 blue dots ➢ 3 green dots

The red dots are for high priority (5 points each)

The blue dots are for medium priority (3 points each)

The green dots are for low priority (1 point each)

Place your dots on the recommendations, using the different colors to indicate your priority. You may use as many of your dots, of any color, on any recommendation --- or you may spread them out using as few of your dots as you wish. The dots will indicate the consensus of the team.

Use your list of criteria to help you make your determinations.

After the totals are counted, we will discuss them further to confirm or change any of the results as we see fit.

Colusa County C-25 Local Hazard Mitigation Plan Update October 2018 Mitigation Action Worksheet

Jurisdiction: Mitigation Action/Project Title: Hazards Addressed:

Issue/Background:

Project Description:

Other Alternatives: Existing Planning Mechanism(s) through which Action Will Be Implemented: Responsible Office/Partners: Cost Estimate: Benefits (Losses Avoided): Potential Funding: Timeline: Project Priority:

Worksheet completed by: Name and Title: Phone:

Colusa County C-26 Local Hazard Mitigation Plan Update October 2018 Colusa County Local Hazard Mitigation Plan Update Mitigation Strategy Meetings: Mitigation Actions v/1 August 24 &25, 2018

Responsible Points/ Department/ Hazards Worksheet Staff Mitigation Action Title Addressed Status

FM Public awareness, education, outreach, and preparedness Multi-hazard 11 program enhancements for all hazards (simplify, multi-media, education focus, promote self- responsibility) County, Cities Incorporate LHMP Update by reference through board Multi-hazard N/A adoptions into the safety element of the General Plan Update Provide access to Green Road (County owned) for First Emergency 25 Responders, Evacuation needs, and for Tribal Access – Public Services/Multi- Safety Issue hazard Conduct evacuation and shelter planning for all communities Emergency 7 and populations (to include all critical hazards, at risk Services/Multi- populations, medical, ADA, animals, and with outreach and hazard security components) Control access to marked, flood-prone roads with Emergency 11 gates/barriers during emergency situations. Develop triggers Services/Multi- for road closures. hazard Recovery Planning Emergency 0 Services/Multi- hazard Continued identification and maintenance of GIS mapping of Emergency 5 critical facilities Services/Multi- hazard Purchase emergency generators for critical facilities Emergency 4 Services/ Multi- hazard Develop Site specific Emergency Response Plans for facilities Emergency 3 such as jails Services/ Wildfire Maintain medivac Emergency 0 Services/ Multi- hazard Add multiple repeater sites to provide countywide coverage Emergency 20 Services/ Multi- hazard Provide CAD (Computer Age Dispatch) upgrades Emergency 6 Services/ Multi- hazard Implement improvements to existing alert and warning Emergency 10 systems Services/ Multi- hazard Ag Education Program with NRCS to establish practices for Agriculture 0 runoff management with rotating crops AG Increase public education on noxious weeds Agriculture 9

Ag Add additional water storage for crops (Sites Dam, others?) Agricultural, 7 Drought & Water Supply

Colusa County C-27 Local Hazard Mitigation Plan Update October 2018 Responsible Points/ Department/ Hazards Worksheet Staff Mitigation Action Title Addressed Status RD 108 Install additional groundwater wells Drought & 12 Others Water Supply Continued Compliance with Sustainable Groundwater Drought & 3 Management Act Water Supply Install water storage tanks Drought & 9 Water Supply Establish additional groundwater recharge areas. Drought & 3 Water Supply Develop rainwater catchment program Drought & 12 Water Supply OES Household Water Program – this Water Tank Program Drought & N/A will provide water to those who’s wells have gone dry Water Supply 2005 project Enforce earthquake building codes and inspections Earthquake N/A based on County/City codes 2005 project Participate in the State OES Anneual Earthquake Earthquake N/A Preparedness Drill County/Cities Conduct inventory of URM and other at risk structures Earthquake N/A 2005 project to earthquake and perform retrofits to bring current to earthquake building codes OES Ensure weather statements are reviewed real time and Extreme Heat N/A ensure cooling center availability Implement Stormwater Master Plans Flood 12 Identify and mitigate Seepage areas (e.g., East Clay St. Flood 3 closes/closes septic system of local residence, other areas) Flood mitigation for Indian Creek in Lodoga (creek overflows Flood 0 its banks due to runoff and closes roads and floods residents – have seen many “patch” (rocks) projects in areas Creek/Stream maintenance and cleanout projects for specific Flood 20 areas prone to flooding (e.g., I-5 closes in Arbuckle by Cortina Creek- several overpasses flood) Need project for flooding issues on Hwy 20 (between Hunter Flood 1 road and San Jose Rd) – floods at overcrossing and closes Highway 20 Need project for flooding issues on Lone Star Road (from Flood 15 Abel to Hahn – surrounded by Ag land which is prone to flood when saturated Ag lands combine with heavy rains) Williams Create Detention pond/pump station at N 7th st., north side Flood 20 of Williams Williams Salt Creek – Improve ability of creek to convey water/remove Flood 15 obstacles Williams Create a series of levees on West side of town to prevent Flood 5 flooding Williams Detention pond projects Flood 11 Ag Education and identification of options for agriculture grading Flood 10 practices 2005 project Maintain flood control projects such as the Project Impact Flood and Levee N/A flood protection levee Failure RD and LD Implement Systemwide Improvement Framework (prioritized Levee Failure 15 plan of projects to address levee deficiencies) RD, LD, City Seepage Mitigation Projects Levee Failure 11 of Colusa, County

Colusa County C-28 Local Hazard Mitigation Plan Update October 2018 Responsible Points/ Department/ Hazards Worksheet Staff Mitigation Action Title Addressed Status Small Communities feasibility study to determine 100-year Levee Failure 10 improvement alternatives (Colusa, Grimes, Princeton) Pipe penetration repair/replacement Levee Failure 10 RD Slope stability/irrigation canal relocation Levee Failure 1 Ag and all Erosion Repair, Protection, and Restoration Projects: Stream Bank 22 jurisdictions (Develop program to identify and manage protection Erosion practices) SRLD Erosion repair and protection of 2 areas in Colusa loosing 30- Stream Bank 13 40 ft of bank annually. Erosion RD Pilot Study Project for erosion monitoring devices Stream Bank 9 Erosion Map and assess vulnerability to Subsidence Subsidence N/A

Fuel modification projects Wildfire 3 Cortina Establish Building Codes for development in wildfire risk Wildfire 10 Rancheria areas on Tribal lands (work with BIA) Increased Patrols for potential fire starting activities Wildfire 0 All/ Defensible space projects and enhanced enforcement Wildfire 14 2005 project (including enforcing defensible space around homes – 2005 project). Work with all Fire Protection Districts Maintain Chipper Program Wildfire 0 Reforestation projects Wildfire N/A* *N/A – scoring is not applicable; project added after mitigation strategy meetings

Colusa County C-29 Local Hazard Mitigation Plan Update October 2018

Appendix D Adoption Resolution

Note to Reviewers: When this plan has been reviewed and approved pending adoption by FEMA Region IX, the adoption resolutions will be signed by the participating jurisdictions and added to this appendix. Two model resolutions are provided below. The first is for the County and incorporated communities; the second is for participating districts.

Sample Resolution: Colusa County and incorporated communities

Resolution # ______

Adopting the Colusa County Local Hazard Mitigation Plan

Whereas, (Name of Government/District/Organization seeking FEMA approval of hazard mitigation plan) recognizes the threat that natural hazards pose to people and property within our community; and

Whereas, undertaking hazard mitigation actions will reduce the potential for harm to people and property from future hazard occurrences; and

Whereas, the U.S. Congress passed the Disaster Mitigation Act of 2000 (“Disaster Mitigation Act”) emphasizing the need for pre-disaster mitigation of potential hazards;

Whereas, the Disaster Mitigation Act made available hazard mitigation grants to state and local governments;

Whereas, an adopted Local Hazard Mitigation Plan is required as a condition of future funding for mitigation projects under multiple FEMA pre- and post-disaster mitigation grant programs; and

Whereas, (Name of Government/District/Organization) fully participated in the FEMA-prescribed mitigation planning process to prepare this local hazard mitigation plan; and

Whereas, the California Office of Emergency Services and Federal Emergency Management Agency, Region IX officials have reviewed the Colusa County Local Hazard Mitigation Plan and approved it contingent upon this official adoption of the participating governing body;

Whereas, the (Name of Government/District/Organization) desires to comply with the requirements of the Disaster Mitigation Act and to augment its emergency planning efforts by formally adopting the Colusa County Local Hazard Mitigation Plan;

Whereas, adoption by the governing body for the (Name of Government/District/Organization), demonstrates the jurisdiction’s commitment to fulfilling the mitigation goals and objectives outlined in this Local Hazard Mitigation Plan.

Colusa County D-1 Local Hazard Mitigation Plan Update October 2018 Whereas, adoption of this legitimizes the plan and authorizes responsible agencies to carry out their responsibilities under the plan.

Now, therefore, be it resolved, that the (Name of Government/District/Organization) adopts the Colusa County Local Hazard Mitigation Plan as an official plan; and

Be it resolved, that the (Name of Government/District/Organization) adopts the Colusa County Local Hazard Mitigation Plan by reference into the safety element of their general plan in accordance with the requirements of AB 2140, and

Be it further resolved, (Name of Government/District/Organization) will submit this adoption resolution to the California Office of Emergency Services and FEMA Region IX officials to enable the plan’s final approval in accordance with the requirements of the Disaster Mitigation Act of 2000 and to establish conformance with the requirements of AB 2140.

Passed: (date)

Certifying Official

Colusa County D-2 Local Hazard Mitigation Plan Update October 2018 Sample Resolution: Special Districts in Colusa County

Resolution # ______

Adopting the Colusa County Local Hazard Mitigation Plan

Whereas, (Name of Government/District/Organization seeking FEMA approval of hazard mitigation plan) recognizes the threat that natural hazards pose to people and property within our community; and

Whereas, undertaking hazard mitigation actions will reduce the potential for harm to people and property from future hazard occurrences; and

Whereas, the U.S. Congress passed the Disaster Mitigation Act of 2000 (“Disaster Mitigation Act”) emphasizing the need for pre-disaster mitigation of potential hazards;

Whereas, the Disaster Mitigation Act made available hazard mitigation grants to state and local governments;

Whereas, an adopted Local Hazard Mitigation Plan is required as a condition of future funding for mitigation projects under multiple FEMA pre- and post-disaster mitigation grant programs; and

Whereas, (Name of Government/District/Organization) fully participated in the FEMA-prescribed mitigation planning process to prepare this local hazard mitigation plan; and

Whereas, adoption of this legitimizes the plan and authorizes responsible agencies to carry out their responsibilities under the plan.

Now, therefore, be it resolved, that the (Name of Government/District/Organization) adopts the Colusa County Local Hazard Mitigation Plan as an official plan; and

Colusa County D-3 Local Hazard Mitigation Plan Update October 2018 Passed: (date)

Certifying Official

Colusa County D-4 Local Hazard Mitigation Plan Update October 2018

Appendix E Threatened and Endangered Species

Table E-1 Special Status Species in Colusa County

Scientific Name Common Name Federal Status State Status CDFW CA Rare Status Plant Rank Animals - Amphibians Rana boylii foothill yellow-legged frog None Candidate SSC – Threatened Rana draytonii California red-legged frog Threatened None SSC – Spea hammondii western spadefoot None None SSC – Animals - Birds Accipiter cooperii Cooper's hawk None None WL – Accipiter gentilis northern goshawk None None SSC – Aquila chrysaetos golden eagle None None FP ; WL – Buteo swainsoni Swainson's hawk None Threatened - – Elanus leucurus white-tailed kite None None FP – Haliaeetus leucocephalus bald eagle Delisted Endangered FP – Pandion haliaetus osprey None None WL – Eremophila alpestris actia California horned lark None None WL – Branta hutchinsii leucopareia cackling (=Aleutian Canada) Delisted None - – goose Ardea alba great egret None None - – Ardea herodias great blue heron None None - – Botaurus lentiginosus American bittern None None - – Egretta thula snowy egret None None - – Ixobrychus exilis least bittern None None SSC – Nycticorax nycticorax black-crowned night heron None None - – Charadrius montanus mountain plover None None SSC – Pica nuttalli yellow-billed magpie None None - – Coccyzus americanus occidentalis western yellow-billed cuckoo Threatened Endangered - – Melospiza melodia song sparrow None None SSC – Falco mexicanus prairie falcon None None WL – Falco peregrinus anatum American peregrine falcon Delisted Delisted FP – Riparia riparia bank swallow None Threatened - – Agelaius tricolor tricolored blackbird None Candidate SSC – Endangered Lanius ludovicianus loggerhead shrike None None SSC –

Colusa County E-1 Local Hazard Mitigation Plan Update October 2018 Scientific Name Common Name Federal Status State Status CDFW CA Rare Status Plant Rank Icteria virens yellow-breasted chat None None SSC – Setophaga petechia yellow warbler None None SSC – Phalacrocorax auritus double-crested cormorant None None WL – Asio flammeus short-eared owl None None SSC – Asio otus long-eared owl None None SSC – Athene cunicularia burrowing owl None None SSC – Strix occidentalis caurina northern spotted owl Threatened Threatened SSC – Plegadis chihi white-faced ibis None None WL – Animals - Crustaceans Branchinecta lynchi vernal pool fairy shrimp Threatened None – – Linderiella occidentalis California linderiella None None – – Lepidurus packardi vernal pool tadpole shrimp Endangered None – – Animals - Fish Lavinia exilicauda exilicauda Sacramento hitch None None SSC – Mylopharodon conocephalus hardhead None None SSC – Pogonichthys macrolepidotus Sacramento splittail None None SSC Hysterocarpus traski traski Sacramento-San Joaquin tule None None – – perch Spirinchus thaleichthys longfin smelt Candidate Threatened SSC – Oncorhynchus mykiss irideus steelhead - Central Valley DPS Threatened None – – pop. 11 Oncorhynchus tshawytscha pop. chinook salmon - Central None None SSC – 13 Valley fall / late fall-run ESU Oncorhynchus tshawytscha pop. chinook salmon - upper None None SSC – 30 Klamath and Trinity Rivers ESU. Oncorhynchus tshawytscha pop. 6 chinook salmon - Central Threatened Threatened – – Valley spring-run ESU Oncorhynchus tshawytscha pop. 7 chinook salmon - Sacramento Endangered Endangered – – River winter-run ESU Animals - Insects Bombus crotchii Crotch bumble bee None None – – Trachykele hartmani serpentine cypress wood- None None – – boring beetle Cicindela hirticollis abrupta Sacramento Valley tiger beetle None None – – Desmocerus californicus valley elderberry longhorn Threatened None – – dimorphus beetle Paracoenia calida Wilbur Springs shore fly None None – –

Colusa County E-2 Local Hazard Mitigation Plan Update October 2018 Scientific Name Common Name Federal Status State Status CDFW CA Rare Status Plant Rank Ochthebius recticulus Wilbur Springs minute moss None None – – beetle Saldula usingeri Wilbur Springs shorebug None None – – Animals - Mammals Vulpes vulpes patwin Sacramento Valley red fox None None – – Perognathus inornatus San Joaquin Pocket Mouse None None – – Martes caurina humboldtensis Humboldt marten None Candidate SSC – Endangered Pekania pennanti fisher - West Coast DPS None Threatened SSC – Taxidea taxus American badger None None SSC – Antrozous pallidus pallid bat None None SSC – Corynorhinus townsendii Townsend's big-eared bat None None SSC – Lasionycteris noctivagans silver-haired bat None None – – Lasiurus blossevillii western red bat None None SSC – Lasiurus cinereus hoary bat None None – – Myotis ciliolabrum western small-footed myotis None None – – Myotis evotis long-eared myotis None None – – Myotis lucifugus little brown bat None None – – Myotis volans long-legged myotis None None – – Myotis yumanensis Yuma myotis None None – – Animals - Mollusks Anodonta californiensis California floater None None – – Anodonta oregonensis Oregon floater None None – – Gonidea angulata western ridged mussel None None – – Animals - Reptiles Masticophis flagellum ruddocki San Joaquin coachwhip None None SSC – Emys marmorata western pond turtle None None SSC – Thamnophis gigas giant gartersnake Threatened Threatened – – Community - Terrestrial – Coastal and Valley Freshwater None None – – Marsh – Great Valley Cottonwood None None – – Riparian Forest – Great Valley Mixed Riparian None None – – Forest – Great Valley Willow Scrub None None – – – Northern Claypan Vernal Pool None None – – – Serpentine Bunchgrass None None – –

Colusa County E-3 Local Hazard Mitigation Plan Update October 2018 Scientific Name Common Name Federal Status State Status CDFW CA Rare Status Plant Rank – Valley Needlegrass Grassland None None – – – Wildflower Field None None – – Plants - Vascular Chlorogalum pomeridianum var. dwarf soaproot None None – 1B.2 minus Allium fimbriatum var. purdyi Purdy's onion None None – 4.3 Lomatium hooveri Hoover's lomatium None None – 4.3 Asclepias solanoana serpentine milkweed None None – 4.2 Anisocarpus scabridus scabrid alpine tarplant None None – 1B.3 Balsamorhiza macrolepis big-scale balsamroot None None – 1B.2 Calycadenia micrantha small-flowered calycadenia None None – 1B.2 Centromadia parryi ssp. parryi pappose tarplant None None – 1B.2 Centromadia parryi ssp. rudis Parry's rough tarplant None None – 4.2 Erigeron greenei Greene's narrow-leaved daisy None None – 1B.2 Harmonia hallii Hall's harmonia None None – 1B.2 Helianthus exilis serpentine sunflower None None – 4.2 Hesperevax caulescens hogwallow starfish None None – 4.2 Lasthenia ferrisiae Ferris' goldfields None None – 4.2 Lasthenia glabrata ssp. coulteri Coulter's goldfields None None – 1B.1 Layia septentrionalis Colusa layia None None – 1B.2 Senecio clevelandii var. clevelandii Cleveland's ragwort None None – 4.3 Trichocoronis wrightii var. Wright's trichocoronis None None – 2B.1 wrightii Azolla microphylla Mexican mosquito fern None None – 4.2 Amsinckia lunaris bent-flowered fiddleneck None None – 1B.2 Cryptantha excavata deep-scarred cryptantha None None – 1B.1 Hackelia amethystina amethyst stickseed None None – 4.3 Streptanthus barbiger bearded jewelflower None None – 4.2 Streptanthus drepanoides sickle-fruit jewelflower None None – 4.3 Silene campanulata ssp. Red Mountain catchfly None Endangered – 4.2 campanulata Atriplex cordulata var. cordulata heartscale None None – 1B.2 Atriplex depressa brittlescale None None – 1B.2 Atriplex persistens vernal pool smallscale None None – 1B.2 Extriplex joaquinana San Joaquin spearscale None None – 1B.2 Calystegia collina ssp. oxyphylla Mt. Saint Helena morning- None None – 4.2 glory Carex klamathensis Klamath sedge None None – 1B.2

Colusa County E-4 Local Hazard Mitigation Plan Update October 2018 Scientific Name Common Name Federal Status State Status CDFW CA Rare Status Plant Rank Arctostaphylos malloryi Mallory's manzanita None None – 4.3 Arctostaphylos manzanita ssp. Konocti manzanita None None – 1B.3 elegans Acmispon rubriflorus red-flowered bird's-foot-trefoil None None – 1B.1 Astragalus breweri Brewer's milk-vetch None None – 4.2 Astragalus clevelandii Cleveland's milk-vetch None None – 4.3 Astragalus rattanii var. Jepson's milk-vetch None None – 1B.2 jepsonianus Astragalus rattanii var. rattanii Rattan's milk-vetch None None – 4.3 Astragalus tener var. ferrisiae Ferris' milk-vetch None None – 1B.1 Lupinus antoninus Anthony Peak lupine None None – 1B.2 Lupinus milo-bakeri Milo Baker's lupine None Threatened – 1B.1 Lupinus sericatus Cobb Mountain lupine None None – 1B.2 Juglans hindsii Northern California black None None – 1B.1 walnut Fritillaria agrestis stinkbells None None – 4.2 Fritillaria glauca Siskiyou fritillaria None None – 4.2 Fritillaria pluriflora adobe-lily None None – 1B.2 Fritillaria purdyi Purdy's fritillary None None – 4.3 Hesperolinon drymarioides drymaria-like western flax None None – 1B.2 Hibiscus lasiocarpos var. woolly rose-mallow None None – 1B.2 occidentalis Iliamna bakeri Baker's globe mallow None None – 4.2 Malacothamnus helleri Heller's bush-mallow None None – 3.3 Sidalcea keckii Keck's checkerbloom Endangered None – 1B.1 Sidalcea oregana ssp. hydrophila marsh checkerbloom None None – 1B.2 Calyptridium quadripetalum four-petaled pussypaws None None – 4.3 Clarkia gracilis ssp. tracyi Tracy's clarkia None None – 4.2 Epilobium nivium Snow Mountain willowherb None None – 1B.2 Botrychium crenulatum scalloped moonwort None None – 2B.2 Piperia leptopetala narrow-petaled rein orchid None None – 4.3 Castilleja rubicundula var. pink creamsacs None None – 1B.2 rubicundula Chloropyron palmatum palmate-bracted salty bird's- Endangered Endangered – 1B.1 beak Cordylanthus tenuis ssp. serpentine bird's-beak None None – 4.3 brunneus Eschscholzia rhombipetala diamond-petaled California None None – 1B.1 poppy

Colusa County E-5 Local Hazard Mitigation Plan Update October 2018 Scientific Name Common Name Federal Status State Status CDFW CA Rare Status Plant Rank Erythranthe nudata bare monkeyflower None None – 4.3 Antirrhinum subcordatum dimorphic snapdragon None None – 4.3 Neostapfia colusana Colusa grass Threatened Endangered – 1B.1 Puccinellia simplex California alkali grass None None – 1B.2 Collomia diversifolia serpentine collomia None None – 4.3 Eriastrum tracyi Tracy's eriastrum None Rare – 3.2 Leptosiphon acicularis bristly leptosiphon None None – 4.2 Navarretia jepsonii Jepson's navarretia None None – 4.3 Navarretia leucocephala ssp. Baker's navarretia None None – 1B.1 bakeri Navarretia nigelliformis ssp. adobe navarretia None None – 4.2 nigelliformis Navarretia nigelliformis ssp. shining navarretia None None – 1B.2 radians Navarretia paradoxinota Porter's navarretia None None – 1B.3 Eriogonum nervulosum Snow Mountain buckwheat None None – 1B.2 Eriogonum tripodum tripod buckwheat None None – 4.2 Eriogonum umbellatum var. bay buckwheat None None – 4.2 bahiiforme Heteranthera dubia water star-grass None None – 2B.2 Androsace elongata ssp. acuta California androsace None None – 4.2 Delphinium uliginosum swamp larkspur None None – 4.2 Myosurus minimus ssp. apus little mousetail None None – 3.1 Horkelia bolanderi Bolander's horkelia None None – 1B.2 Galium andrewsii ssp. gatense phlox-leaf serpentine bedstraw None None – 4.2 Brodiaea rosea Indian Valley brodiaea None Endangered – 1B.1 Sources: California Natural Diversity Database BIOS Viewer Tool Federal Status Endangered: The classification provided to an animal or plant in danger of extinction within the foreseeable future throughout all or a significant portion of its range. Threatened: The classification provided to an animal or plant which is likely to become an endangered species within the foreseeable future throughout all or a significant portion of its range. Proposed Endangered: The classification provided to an animal or plant that is proposed for federal listing as Endangered in the Federal Register under Section 4 of the Endangered Species Act. Proposed Threatened: The classification provided to an animal or plant that is proposed for federal listing as Threatened in the Federal Register under Section 4 of the Endangered Species Act. Candidate: The classification provided to an animal or plant that has been studied by the United States Fish and Wildlife Service, and the Service has concluded that it should be proposed for addition to the Federal Endangered and Threatened species list. None: The plant or animal has no federal status. Delisted: The plant or animal was previously listed as Endangered or Threatened, but is no longer listed on the Federal Endangered and Threatened species list.

Colusa County E-6 Local Hazard Mitigation Plan Update October 2018 CDFW Status FP: Fully Protected: This classification was the State of California's initial effort to identify and provide additional protection to those animals that were rare or faced possible extinction. SSC: Species of Special Concern: To this end, the Department has designated certain vertebrate species as "Species of Special Concern" because declining population levels, limited ranges, and/or continuing threats have made them vulnerable to extinction. The goal of designating species as "Species of Special Concern" is to halt or reverse their decline by calling attention to their plight and addressing the issues of concern early enough to secure their long-term viability. WL: Watch List: Species that were previously designated as "Species of Special Concern" but no longer merit that status, or which do not yet meet SSC criteria, but for which there is concern and a need for additional information to clarify status. CA Rare Plant Rank 1A: Plants presumed extinct in California and rare/extinct elsewhere 1B.1: Plants rare, threatened, or endangered in California and elsewhere; seriously threatened in California 1B.2: Plants rare, threatened, or endangered in California and elsewhere; fairly threatened in California 1B.3: Plants rare, threatened, or endangered in California and elsewhere; not very threatened in California 2A: Plants presumed extirpated in California, but more common elsewhere 2B.1: Plants rare, threatened, or endangered in California, but more common elsewhere; seriously threatened in California 2B.2: Plants rare, threatened, or endangered in California, but more common elsewhere; fairly threatened in California 2B.3: Plants rare, threatened, or endangered in California, but more common elsewhere; not very threatened in California 3.1: Plants about which we need more information; seriously threatened in California 3.2: Plants about which we need more information; fairly threatened in California 3.3: Plants about which we need more information; not very threatened in California 4.1: Plants of limited distribution; seriously threatened in California 4.2: Plants of limited distribution; fairly threatened in California 4.3: Plants of limited distribution; not very threatened in California

Colusa County E-7 Local Hazard Mitigation Plan Update October 2018