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FALLS LAKE NUTRIENT MANAGEMENT STRATEGY ( New & Existing Development Requirements)

FALLS LAKE NUTRIENT MANAGEMENT STRATEGY ( New & Existing Development Requirements). UNRBA BOD Meeting May 18, 2011. John Huisman – NC Division of Water Quality. Falls Lake Rules (Effective January 15, 2011). .0275 Purpose and Scope (Goals) .0276 Definitions

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FALLS LAKE NUTRIENT MANAGEMENT STRATEGY ( New & Existing Development Requirements)

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  1. FALLS LAKE NUTRIENT MANAGEMENT STRATEGY(New & Existing Development Requirements) UNRBA BOD Meeting May 18, 2011 John Huisman – NC Division of Water Quality

  2. Falls Lake Rules(Effective January 15, 2011) • .0275 Purpose and Scope (Goals) • .0276 Definitions • .0277 Stormwater – New Development • .0278 Stormwater – Existing Development • .0279 Wastewater Discharges • .0280 Agriculture • .0281 Stormwater State & Federal Entities • .0282 Trading • .0235 Neuse Stormwater Requirements • .0315 Neuse River Basin

  3. Stormwater, New Development .0277 • Post-construction runoff meet N & P rate targets • 2.2 lbs/ac/yr TN .33 lbs/ac/yr TP • Local governments implement • Land disturbance thresholds • ½ acre residential • 12,000 sq/ft commercial • Onsite treatment criteria • 30% of N&P onsite: <1 acre • 50% of N&P onsite: >1 acre • 30% of N&P onsite: Downtown Redevelopment

  4. New Development Stormwater Rule Implementation Timeline • March 2011 • EMC approved DWQ model program • August 2011 • LG submit local programs to DWQ for approval • January 2012 • DWQ Makes recommendations to EMC • July 2012 • LGs adopt and implement local program

  5. Stormwater, Existing Development .0278 • All LGs implement load reducing activities on existing developed land • Stage I : (Back to 2006 baseline by 2021) • Stage II (% Goals / LGs propose timeline) • LGs develop inventories within 2 yrs of effective date • Stage II plan • Initial Plan = Stage I Level of effort (updated 5yrs) • Scientific Advisory Board • Methods to quantify load reduction requirements • Methods to account for load reduction credits

  6. Existing Development Stormwater Rule Implementation Timeline • January 2013 • Local governments complete inventories • July 2013 • DWQ submits Stage I model program to EMC • January 2014 • LG submit local Stage I programs for approval • Begin implementation of Stage I programs • January 2021 – LGs submit initial Stage II prgms.

  7. Questions John Huisman DWQ – Nonpoint Source Planning Unit Phone: (919) 807-6436 Email: john.Huisman@ncdenr.gov DWQ Falls Lake Website: http://portal.ncdenr.org/web/wq/ps/nps/fallslake TJCOG Falls Lake Stakeholder Website: http://www.fallslakestakeholder.org/

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