Pre-Disaster Mitigation Plan - Tooele County, Utah 2016
SECTION 12: RUSH VALLEY COMMUNITY RISK ASSESSMENT
12-95 Pre-Disaster Mitigation Plan - Tooele County, Utah 2016
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ng Source: County, municipal boundaries and Source: County, AGRC. Steep roads maintained by Utah slopes developed from USGS 10 meter Digital Elevation Model. Surveyed landslides from Fire hazard data Utah Geological Survey. from the Oregon Department of Forestry study Assessment, 2013”. Wide Wildfire Risk “West Combines moderate to high wildfire risk based on the Fire Risk Index (FRI).
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HAZARDS: Steep Slopes, Landslides, Wildfire s Legend k The information on this map was derived from digital databases by BRAG GIS. Care was taken in the creation of this map but is provided “as is.” BRAG cannot accept any responsibility for any errors, omissions, or postional and therefore, there are no warrenties which accuracy, Although information from land accompany this product. surveys may have been used in the creation of this product, User are in no way does this product represent a land survey. cautioned to field verify information in this product before making any decisions.
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So RUSH VALLEY, UTAH RUSH VALLEY, 12-96 Pre-Disaster Mitigation Plan - Tooele County, Utah 2016
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Q e R w o n L i t a t c n e u p 2 5 o s 0 M o 0 d l Pr d MAP LOCATION k R 0 . 4 Ba F t c 0 , e ry p D s d 3 1 : 5 0 Fault rupture Quaternary faults Soils with engineering concerns R 7
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ng Source: County, municipal boundaries and Source: County, AGRC. Fault rupture roads maintained by Utah and quaternary faults from Utah Geological of 1000 feet on both sides Buffers Survey. quaternary faults were considered damage zones for this analysis. Soils with engineering concerns from Natural Resource Conservation Service (NRCS) soil survey.
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HAZARDS: Geological Faults, Problematic Soils s Legend k The information on this map was derived from digital databases by BRAG GIS. Care was taken in the creation of this map but is provided “as is.” BRAG cannot accept any responsibility for any errors, omissions, or postional and therefore, there are no warrenties which accuracy, Although information from land accompany this product. surveys may have been used in the creation of this product, User are in no way does this product represent a land survey. cautioned to field verify information in this product before making any decisions.
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So RUSH VALLEY, UTAH RUSH VALLEY, 12-97 Pre-Disaster Mitigation Plan - Tooele County, Utah 2016
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Q e R w o n L i t a t c n e u p 2 5 o s 0 M o 0 d l Pr d MAP LOCATION k R 0 . 4 Ba F t c 0 , e ry p D s d 3 1 : 5 0 100 yr flood zone Soils: frequently flooded Dam inundation Depth to water table under 200cm R 7
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HAZARDS: Flood Zone, Dam Failure, FEMA Hydric Soils s Legend k The information on this map was derived from digital databases by BRAG GIS. Care was taken in the creation of this map but is provided “as is.” BRAG cannot accept any responsibility for any errors, omissions, or postional and therefore, there are no warrenties which accuracy, Although information from land accompany this product. surveys may have been used in the creation of this product, User are in no way does this product represent a land survey. cautioned to field verify information in this product before making any decisions.
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So RUSH VALLEY, UTAH RUSH VALLEY, 12-98 Pre-Disaster Mitigation Plan - Tooele County, Utah 2016
RUSH VALLEY NATURAL HAZARDS, Natural Hazards POTENTIAL LOSSES, AND MITIGATION Wildfire.Rush Valley is susceptible to a STRATEGIES moderate-high risk of wildfire throughout the town. Wildfires threaten human life, infrastructure, commu- nity facilities, environmental, recreational, and agri- RUSH VALLEY cultural features. Wildfires tend to occur most closely Analysis of hazard risk involving the town of with development and amenities near areas with grassy Rush Valley revealed that there is potential risk result- and shrubby vegetation types. Wildfires have the po- ing from wildfire, flood, flooded soils, high water tential to impact over 186 people in the town, as well table, and steep slopes. These hazards have vary- as over 63 structures. ing potential to impact human life, property, critical Flood. Portions of Rush Valley are at risk of facilities, infrastructure, agriculture, environmental, flooding with a 1% chance of flooding annually. Areas and recreational features within municipal boundar- susceptible to flooding are portions of the community ies. Currently, wildfires, and flooding have the greatest bordering Rush Lake as well the central part of town. potential to impact human life, property, infrastruc- Floods in these areas pose a threat to human life, struc- ture, environmental, recreational, and agricultural tures, infrastructure, environmental, recreational, and features based on potential loss values. Steep slopes agricultural amenities and lands within town limits. appear to have less potential for impacts, yet still pose risks. Other natural hazard types not mentioned were Steep Slopes. Rush Valley has risk associated found to have no potential impacts to Rush Valley. See with steep slopes within its boundaries. Areas of great- the following tables for more detailed descriptions of est concern have slopes of over 25%, which are com- potential losses associated with each natural hazard. monly found in hilly areas and areas bordering streams and rivers. Steep slopes have the potential to impact Table 27: Rush Valley Potential Loss Figures life, property, and agricultural features in the town. An estimated 6 people and 2 structures are at risk within the jurisdiction. Rush Valley, UT, Residential & Commercial Development at Risk Residential Units at Commercial Units at Risk ~Residents at Risk Hazard Type $ Potential Risk* # Units $ Value** # Units $ Value** Revenue Loss*** Dam Failure 0 0 0 0 0 0 Faults 0 0 0 0 0 0 Wildfire 185.6 58 7,180,974 2 333,309 1,284,522 Flood (FEMA) 29 9 1,303,694 1 251,687 642,261 Flood (Soils) 16 5 879,264 1 251,687 642,261 Liquefaction 0 0 0.0 0 0.0 0.0 Landslide 0 0 0.0 0 0.0 0.0 Slope 6 2 301,255 0 0.0 0.0 High Water Table 13 4 $704,080 1 $115,007 $642,261 Unsuitable Soils for Buildings 170 53 $5,272,498 3 $185,302 $1,926,783 * Based on average persons per owner household for Tooele County from 2013 American Community Survey, which is 3.2. ** Current Market Value per parcel, including building and land values. Data provided by Tooele County. *** Based on average sales, receipts, or value of shipments of firms with or without paid employees, per firm ($642,261 per firm). Derived from 2007 Survey of Business Owners for Tooele County, US Census Bureau.
12-99 Pre-Disaster Mitigation Plan - Tooele County, Utah 2016
Rush Valley, UT, Critical Facilities at Risk Critical Facilities Types Emergency Hazard Type Schools/Public Health Care Places of Services/Law Infrastructure Other Facilities Facilities Worship Enforcement Dam Failure Faults Rush Valley Fire 1 Post Office 1 Church 1 Well Wildfire Department Flood (FEMA) Flood (Soils) 1 Dam Liquefaction Landslide Slope High Water Table Unsuitable Soils for Buildings Note: Critical facilites were identifed using multiple data sources including: Utah AGRC, UDOT, Utah Division of Water Resources, and public and community leader input.
Rush Valley, UT, Infrastructure at Risk Infrastructure at Risk Electrical Power Railroad Lines Natural Gas Lines Roads Canals Hazard Type lines # of # of # of # of $ Value¹ $ Value² $ Value³ # of Miles $ Value⁴ $ Value⁵ Miles Miles Miles Miles Dam Failure 0 $0 0 $0 0 $0 0 $0 0 $0 Faults 0 $0 0 $0 0 $0 0 $0 0 $0 Wildfire 0 $0 0 $0 0 $0 19.57 $10,274,250 1.67 $2,505,000 Flood (FIRM) 0 $0 0 $0 0 $0 3.79 $1,989,750 2.51 $3,765,000 Flood (Soils) 0 $0 0 $0 0 $0 2.35 $1,233,750 1.50 $2,250,000 Liquefaction 0 $0 0 $0 0 $0 0 $0 0 $0 Landslide 0 $0 0 $0 0 $0 0 $0 0 $0 Slope 0 $0 0 $0 0 $0 0 $0 0 $0 High Water Table 0 $0 0 $0 0 $0 6.08 $3,192,000 3.34 $0 Unsuitable Soils for Builings 0 $0 0 $0 0 $0 18.22 $9,565,500 3.78 $0 ¹ Based on figures from 2009 Pre-Disaster Mitigation Plan for Bear River Region, Utah ($1,500,000/mi). ² Based on average replacement cost estimates for gas lines ranging from 2-inches-20 inches in diameter. These cost are based solely on labor and material costs, and may vary based on time, scope, and site specific variations (Questar, 2015). ³ Based on estimates from Logan Light and Power, 2015 ($127,000/mi). Based on estimates derived from an average 28' wide, 4" thick asphalt county road with gravel subgrade replacement. Cache County, 2015 ($525,000/mi). ⁴ Based recent Cache County and regional project cost estimates, 2015 ($1,500,000/mi).
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12-100 Pre-Disaster Mitigation Plan - Tooele County, Utah 2016
Rush Valley, UT, Environmental & Recreational Features at Risk Environmental Features at Risk Recreational Features at Risk Wetland/ Trails Lakes Streams Parks Trails Amenities Hazard Type riparian (Master) # of # of # of Acres # of Miles # of Miles # of Amenities Miles Acres Dam Failure 000000 0 Faults 000000 0 Wildfire 18.13 00002.38 0 Flood (FIRM) 21.97 11.90 10.58 0 0 0.56 0 Flood (Soils) 74.13 21.20 5.24 0 0 0 0 Liquefaction 000000 0 Landslide 000000 0 Slope 000000 0 High Water Table 110.3 30.76 4.5 0 0 0 0 Unsuitable Soils for Buildings 134.21 35.04 10.11 0 0 0 0 Note: Total acres of land and miles of streams and trails were identifed using multiple datas sources including: Utah AGRC, U.S. Fish and Wildlife Service, U.S. Forest Service, U.S. Geological Survey, Utah Division of Water Resources, and public and community leader input.
Rush Valley, UT, Agricultural Features at Risk Lands at Risk Hazard Type Agriculture Production* Grazing** # of Acres Dam Failure 0 0 Faults 0 0 Wildfire 4,075.02 5,894.37 Flood (FIRM) 833.78 1,072.48 Flood (Soils) 1,260.69 1,323.42 Liquefaction 0 0 Landslide 0 0 Slope 1.39 77.01 High Water Table 0 2840.38 Unsuitable Soils for Buildings 0 4974.1 * Lands that are currently associated with agricultural activities involving water related land use, as described in the 2007 Utah Division of Water Resources, Water Related Land Use dataset. **Lands currently associated with grazing allotments identified as part of the Grazing Improvement Program (Utah AGRC, 2012)
12-101 Pre-Disaster Mitigation Plan - Tooele County, Utah 2016
High Water Table. Most high water table ar- eas in Rush Valley are east of Main Street in low lying areas. Future Development No concerns involving potential future development within Rush Valley were reported by community representatives.
Hazard Mitigation Strategies
No mitigation strategies were reported for Rush Valley Town.
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