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Department of Environmental Quality

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Presentation on theme: "Department of Environmental Quality"— Presentation transcript:

1 Department of Environmental Quality
Annual Agriculture Progress Reports Neuse / Tar-Pamlico / Falls Lake Department of Environmental Quality

2 Neuse & Tar-Pamlico River Basins
Department of Environmental Quality

3 Falls Lake Watershed Department of Environmental Quality

4 Nutrient Management History
Neuse / Tar-Pamlico / Falls Lake Water quality impairments Exceeding chl-a standard Addressing impairments Nutrient Management Strategies for each watershed Address point & nonpoint sources Goal Decrease nutrient loading, achieve chl-a standard Effective dates: Neuse: (1998) Tar-Pam (2001) Falls (2011) Department of Environmental Quality

5 Neuse & Tar-Pamlico Estuaries
Agriculture Rule Overview Rule Effective August 1998 (Neuse) & September 2001 (Tar-Pamlico) Collective compliance approach Goal 30% reduction in nitrogen load from baseline Tar-Pamlico: no increase in phosphorus load Baseline (Neuse) & 1991 (Tar-Pamlico) Basin Oversight & Local Advisory Committees Develop accounting tools, track & report progress Assist with implementation Department of Environmental Quality

6 Agriculture Rule Overview
Falls Watershed Agriculture Rule Overview Rule effective: January 2011 Collective compliance similar to Neuse & Tar-Pamlico Affects all agriculture – cropland & pastureland Stage I : 20% N / 40% P Stage II : 40% N / 77% P 2006 Baseline Watershed Oversight & Local Advisory Committees Develop accounting tools, track & report progress Assist with implementation Department of Environmental Quality

7 BOC (Neuse, Tar-Pamlico), WOC (Falls)
Oversight Committees BOC (Neuse, Tar-Pamlico), WOC (Falls) Representatives Division of Soil and Water Conservation US Department of Agriculture Natural Resources Conservation Service NC Department of Agriculture & Consumer Services NC Cooperative Extension Division of Water Resources Environmental General Farming Pasture-Based Livestock Scientific Community Department of Environmental Quality

8 Cropland Nitrogen Accounting
Neuse, Tar-Pamlico and Falls Nitrogen Loss Estimation Worksheet (NLEW) Empirical spreadsheet-based model Developed by DWR, NRCS, NCSU and others Estimates nitrogen loss from cropland agriculture Compare baseline loss to current crop year Loss estimates at county scale Data collected annually: Crop types Crop acreage Fertilization rates BMPs implemented Department of Environmental Quality

9 Pasture Nitrogen Accounting
Falls Watershed NLEW Tool Used to Calculate Pasture N Loss Accounting Every 5 Years Based on Ag Census Data Most recent census (2012) Baseline used (2007) Pasture Accounting Factors in NLEW Pasture Acres & Animal Waste Numbers Nitrogen Rates: Fertilizer + Animal Derived N (Deposition) BMPs: Fencing out livestock from stream Department of Environmental Quality

10 Phosphorus Accounting Method
Tar-Pamlico and Falls Developed by Joint Technical Committee EMC approved in 2005 Qualitative indicator trends 9 indicators qualitatively assess risk of P loss Baseline vs. current crop year Characterize changes in land use and management Department of Environmental Quality

11 Estimated N Loss Reductions from Cropland
Neuse Basin County 2014 Reported N Loss Reduction 2015 Reported N Loss Reduction Carteret 40% 49% Craven 58% 62% Durham 47% 82% Franklin 84% Granville 96% 86% Greene 55% 54% Johnston 60% 53% Jones 29% 43% Lenoir 25% 39% Nash 45% Orange Pamlico 9% 23% Person 77% Pitt Wake 72% 76% Wayne 41% Wilson 50% Total 46% Department of Environmental Quality

12 Estimated N Loss Reductions from Cropland
Tar-Pamlico Basin County 2014 reported N loss reduction 2015 reported N loss Beaufort 40% 54% Edgecombe 48% Franklin 78% 80% Granville 82% 86% Halifax 47% 49% Hyde 35% 58% Martin 27% 28% Nash 74% 70% Person 64% Pitt 56% 68% Vance 69% 77% Warren Washington Wilson 59% 52% Total 51% Department of Environmental Quality

13 Phosphorus Loss Tracking
Tar-Pamlico Basin Parameter Units Baseline 1991 CY2015 Percent ‘91-‘15 change CY2015 P Loss Risk +/- Agricultural land Acres 807,026 614,715 -24% - Cropland conversion (to grass & trees) 660 47,007 7,022% CRP / WRP (cumulative) 19,241 41,833 117% -  Conservation tillage 41,415 55,878 35% Vegetated buffers (cumulative) 50,836 218,440 330% Water control structures (cumulative) Acres affected 52,984 91,308 72% Scavenger crop 13,272 85,380 543% Animal waste P lbs of P/ yr 13,597,734 15,013,151 10% + Soil test P median P index 83 79 -5%  - Department of Environmental Quality

14 Estimated N Loss Reductions from Cropland
Falls Watershed County 2014 reported N loss reduction 2015 reported N loss reduction Durham 15% 73% Franklin 70% Granville 94% 79% Orange 51% 69% Person 40% 71% Wake 10% 34% Total 46% Department of Environmental Quality

15 Estimated N Loss Reductions from Pasture
Falls Watershed County 2007 nitrogen loss (lbs.) 2012 nitrogen loss (lbs.) 2012 N loss reduction (%) Durham 107,134 81,189 24% Franklin 8,433 9,384 -11% Granville 298,607 193,961 35% Orange 293,720 170,676 42% Person 198,832 125,725 37% Wake 26,110 17,271 34% Total 932,836 598,206 36% Department of Environmental Quality

16 Phosphorus Loss Tracking
Falls Watershed Parameter Units Baseline 2006 CY2015 Percent ‘06‘15 change CY2015 P Loss Risk +/- Agricultural land acres 55,969 31,208 -44% - Cropland conversion (to grass & trees) 1,527 2,207 45% CRP / WRP (cumulative) 0% N/A  Conservation tillage 26,787 19,874 -26% + Vegetated buffers (cumulative) 52,139 54,420 4% -  Water control structures (cumulative) affected 1,190 1,190% Scavenger crop 3,288 3,202 -3% Animal waste P lbs. P/ yr 586,612 489,061 -17% Soil test P median P index 77 68 -12%  - Department of Environmental Quality

17 One-time report from DWR required in Falls Purpose:
Stage I Progress Falls Watershed One-time report from DWR required in Falls Purpose: Evaluate agriculture’s progress achieving stage I goals Stage I goals: 20% nitrogen & 40% phosphorus Findings: Reasonable progress achieved by agriculture 70% decrease in cropland N loss 36% decrease in pasture N loss Decrease P loss risk Department of Environmental Quality

18 Funding for technicians no longer available
Looking Forward Funding for technicians no longer available Oversight committees continue to evaluate crop trends Ongoing discussions concerning trading Rules readoption for Neuse and Tar-Pamlico strategies S.L for Falls Lake strategy Department of Environmental Quality

19 QUESTIONS? Department of Environmental Quality

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