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Appendix E2 – Restoration Plans and Tmdls (Restoration Plans) Impervious Area Assessment

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Appendix E2 – Restoration Plans and Tmdls (Restoration Plans) Impervious Area Assessment Appendix E2 – Restoration Plans and TMDLs (Restoration Plans) Impervious Area Assessment Watershed Restoration Projects Harford County, MD Department of Public Works Watershed Protection and Restoration Completed Capital Improvement Projects (FY2016) Barry Glassman County Executive Hickory Elementary Retrofit (WP000073) Design Initated ‐ Jun 2014 Construction Completed ‐ Jul 2015 2100 Conowingo (ADC (2012) 31A6) Installed submerged gravel wetland in existing dry SWM facility and modified riser to provide water quality. Project completed concurrently with Harford County Schools' barrel and riser replacement. Design Construction Total CostGrant Credits Cost per Impervious Acre $4,677 (6%) $77,522 (94%) $82,199 $0 (0%)0.75 acres $109,598 CIPid Credits TypeDrainage Area (acres) / Impervious Project SizeCredits (acres) Credit Value CIP0073 SWM Facility (RR) 9.71 (41%)0.19 " rainfall treated 0.75 1 ac imp per 1" rainfall treated Page 1 of 3 Costs do not include County salaries for inspections or project management Impervious Credits calculated based on "Accounting for Stormwater Wasteload Allocations and Impervious Acres Treated", August 2014 RR = Runoff Reduction, ST = Stormwater Treatment (Source: 2000 Design Manual, MDE) Printed 11/30/2016 Harford County, MD Department of Public Works Watershed Protection and Restoration Completed Capital Improvement Projects (FY2016) Barry Glassman County Executive Wheel Creek at Country Walk 1A SWM Retrofit (WP000024) Design Initated ‐ Feb 2013 Construction Completed ‐ Jun 2016 Near intersection of Wheel Road and Tollgate Road (ADC (2012) 49F4) Installed new SWM wetlands adjacent to existing instream SWM facility. Design Construction Total CostGrant Credits Cost per Impervious Acre $92,712 (16%) $483,820 (84%) $576,532 $324,119 (56%)8.66 acres $66,574 CIPid Credits TypeDrainage Area (acres) / Impervious Project SizeCredits (acres) Credit Value CIP0024 SWM Retrofit (ST) 35.11 (20%)0.98 " rainfall treated 6.86 1 ac imp per 1" rainfall treated CIP0080 SWM Retrofit (ST) 12.62 (30%)0.48 " rainfall treated 1.80 1 ac imp per 1" rainfall treated Page 2 of 3 Costs do not include County salaries for inspections or project management Impervious Credits calculated based on "Accounting for Stormwater Wasteload Allocations and Impervious Acres Treated", August 2014 RR = Runoff Reduction, ST = Stormwater Treatment (Source: 2000 Design Manual, MDE) Printed 11/30/2016 Harford County, MD Department of Public Works Watershed Protection and Restoration Completed Capital Improvement Projects (FY2016) Barry Glassman County Executive Wheel Creek at Festival at Bel Air SWM Retrofit (WP000026) Design Initated ‐ Aug 2012 Construction Completed ‐ Feb 2016 Near intersection of Wheel Road and MD Route 24 (ADC (2012) 50A3) Converted existing dry SWM facility to shallow marsh providing channel protection and water quality volumes by excavation, riser modifications, and raising the embankment. Design Construction Total CostGrant Credits Cost per Impervious Acre $91,700 (24%) $293,901 (76%) $385,601 $195,436 (51%)12.00 acres $32,133 CIPid Credits TypeDrainage Area (acres) / Impervious Project SizeCredits (acres) Credit Value CIP0026 SWM Retrofit (ST) 25.68 (92%)0.51 " rainfall treated 12.00 1 ac imp per 1" rainfall treated Page 3 of 3 Costs do not include County salaries for inspections or project management Impervious Credits calculated based on "Accounting for Stormwater Wasteload Allocations and Impervious Acres Treated", August 2014 RR = Runoff Reduction, ST = Stormwater Treatment (Source: 2000 Design Manual, MDE) Printed 11/30/2016 Harford County, MD Department of Public Works Watershed Protection and Restoration Watershed Restoration Status (MS4 Permit 11‐DP‐3310) Barry Glassman County Executive Thru FY2016 FY2017 FY2018 FY2019 FY2020 Total Septic Pump Out (Average per year) 312.3 312.3 312.3 312.3 312.3 312.3 Connections to WWTP 3.2 3.0 3.0 3.0 3.0 15.2 Septic BAT Installation 29.4 20.0 20.0 20.0 20.0 109.4 Restoration 108.5 94.9 213.9 100.3 0.0 517.6 Note : All values are impervious acres calculated using methods outlined in "Accounting for Total 954.5 Stormwater Wasteload Allocations and Impervious Acres Treated", MDE 2014 Target = 20% 2,069.0 Balance 1,114.5 Target = 10% 1,034.5 Balance 80.0 Harford Streams is a program developed and administered through Harford County Department of Public Works Printed 11/30/2016 Harford County, MD Department of Public Works Watershed Protection and Restoration Watershed Restoration Status (MS4 Permit 11‐DP‐3310) Active Projects Barry Glassman County Executive WPid WPname WPcomplete TotalCredits (IA) WP000025 Wheel Creek at Country Walk 1B SWM Retrofit 2017 5.92 WP000027 Lower Wheel Creek SWM Retrofit & Stream Restoration 2017 65.81 WP000036 Foster Branch at Dembytown Stream Restoration 2017 19.40 WP000046 Leight Center Parking Lot Green Infrastructure 2017 0.48 WP000070 Abingdon Library Water Quality Improvements 2017 3.30 Total 94.91 WP000014 Heavenly Pond Wetland & Stream Creation 2018 8.00 WP000029 Bynum at St Andrews Way Stream Restoration 2018 30.00 WP000033 Willoughby Beach SWM Retrofit & Stream Restoration 2018 42.10 WP000034 Church Creek ES SWM Retrofit & Stream Restoration 2018 24.00 WP000035 Ring Factory ES SWM Retrofit & Stream Restoration 2018 18.60 WP000039 Plumtree Run at Barrington Stream Restoration 2018 30.00 WP000043 Northwest Branch Declaration Run Stream Restoration 2018 19.40 WP000074 Bear Cabin Branch Wetland and Stream Restoration 2018 36.80 Total 208.90 Harford Streams is a program developed and administered through Harford County Department of Public Works Harford County, MD Department of Public Works Watershed Protection and Restoration Watershed Restoration Status (MS4 Permit 11‐DP‐3310) Pending Projects Barry Glassman County Executive WPid WPname WPcomplete TotalCredits (IA) WP000069 Jarrettsville Highways Shop SWM Retrofit 2018 5 Total 5 WP000037 Foster Branch at Still Meadow Stream Restoration 2019 10 WP000071 Woodland Run Stream Restoration 2019 20 WP000072 Ha Ha Branch Stream Restoration 2019 25 WP000074 Bear Cabin Branch Wetland and Stream Restoration 2019 36.8 WP000084 White Branch Stream Restoration 2019 8.5 Total 100.3 Harford Streams is a program developed and administered through Harford County Department of Public Works Watershed Restoration Plans buckley, christine From: buckley, christine Sent: Wednesday, March 02, 2016 3:59 PM To: 'Raymond Bahr -MDE- ([email protected])'; 'Christina Lyerly -MDE- ([email protected])' Subject: RE: Harford County Restoration Plans Attachments: Legal Notice 2016 03 02.pdf Enclosed is the notice posted in today’s paper. From: buckley, christine Sent: Tuesday, March 01, 2016 4:35 PM To: Raymond Bahr -MDE- ([email protected]); Christina Lyerly -MDE- ([email protected]) Cc: Glassman, Barry; boniface, william; Mason, Michael; Mumby, Cynthia; stratmeyer, jeff; kearby, scott; collins, elizabeth; dobson, michele; hartka, margaret; Coste, Laura; King, Jenny; grimm, shane; Lightner, Bryan; kropp, matt; Killian, Bradley Subject: Harford County Restoration Plans As required by our MS4 permit, we have posted our restoration plans on the County’s website for public comment. Notice will appear in the Aegis tomorrow and the following Wednesday. Please let me know if you have any questions. Thanks. http://www.harfordcountymd.gov/1842/Restoration‐Plans NEW ‐ Our offices moved in December. Please note the new street address. Christine Buckley 212 South Bond Street, 1st floor Bel Air, MD 21014 (410) 638‐3217 extension 1176 www.facebook.com/HarfordStreams 1 Watershed Restoration Monitoring Foster Branch Year 1 Monitoring Results December | 2016 Prepared For Harford County Watershed Protection and Restoration Department of Public Works 212 South Bond Street, 1st Floor Bel Air, Maryland 21014 Prepared By KCI Technologies, Inc. 936 Ridgebrook Road Sparks, MD 21152 Foster Branch Sampling Year 1 Monitoring Results CONTENTS 1 Methods ...................................................................................................................................... 4 1.1 Sampling Sites ........................................................................................................................ 4 1.1.1 Fost-1 ................................................................................................................................. 4 1.1.2 Fost-2 ................................................................................................................................. 4 1.1.3 Fost-3 ................................................................................................................................. 5 1.1.4 Fost-4 ................................................................................................................................. 5 1.1.5 Fost-5 ................................................................................................................................. 5 1.2 Water Quality Sampling ......................................................................................................... 5 1.3 Physical Habitat Assessment ................................................................................................. 5 1.4 Benthic Macroinvertebrate Sampling ................................................................................... 7 1.4.1 Benthic Macroinvertebrate Sample Processing and Laboratory Identification ................ 8 1.4.2 Benthic Macroinvertebrate Data Analysis .......................................................................
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