Chesapeake Bay TMDL Phase III Watershed Implementation Plan
Chesapeake Bay TMDL Phase III Watershed Implementation Plan (WIP) Russ Baxter Deputy Secretary of Natural Resources [email protected] v 1 Topics for Today Chesapeake Bay TMDL background Current status of Bay TMDL activities and
progress Local water quality improvement success stories State implementation initiatives Whats next? 2 Chesapeake Bay Background & Status 3 Numbers
Largest U.S. estuary Six-state, 64,000 square mile watershed 10,000 miles of shoreline (longer than entire U.S. west coast) Over 3,600 species of plants, fish and other animals Average depth: 21 feet $750 million contributed annually to
local economies Home to 17 million people 77,000 principally family farms Declared a national treasure 4 Source: Virginias Chesapeake Bay Watershed Virginias Chesapeake Bay Watershed 55% of the Virginias land area drains to the Bay 34% of the total Bay watershed land area
> 50% of Virginia's streams and rivers flow to the Bay 75% of the Virginia's 8 million residents live within the watershed Overall summary of land cover: Forest ~ 66% Agriculture ~ 20% Developed ~ 13% Non-tidal water ~ 1% Chesapeake Bay Model Only tool used to forecast and track the effects of practices and strategies on water quality conditions in the Chesapeake Bay Simulates impact of changes in land cover and uses could affect the Bay
Projects the effect of pollution-reduction actions Provides an estimate of the nutrient and sediment reductions that may occur when management practices are implemented Currently being updated (Phase 6) 7 Total Maximum Daily Load (TMDL)? Establishes a pollution diet of the amount of a pollutant that a water body can accept and meet water quality standards
Identifies pollution reductions from sources of nitrogen, phosphorus and sediment across the Bay jurisdictions In Virginia, the TMDL is further subdivided into TMDLs for each of the three pollutants for 39 segmentsheds (sub watersheds) Ensures that all pollution control measures needed to fully restore the Bay are in place by 2025 8
Chesapeake Bay Watershed Scale of Implementation Major basins 5 39 Segmentsheds (areas in colors) 16 Planning District Commissions 96 Localities (Counties and Cities) 32 Soil & Water Conservation Districts 9
Watershed Implementation Plan (WIP) Timeline Phase I WIP submitted to EPA November 2010 o enhancements to existing state level programs and initiatives Phase II WIP submitted to EPA March 2012 o Updates to statewide strategies o Subdivided Bay TMDL planning targets for the states 39 segment sheds into local area goals o Significant engagement of local governments and receipt of local strategies Phase III WIP Due August 2018 o Further updates to statewide strategies o More focused engagement of local entities (localities and Soil & Water Conservation Districts) and stakeholders
10 We Are Making Progress Blue crab population Bay grasses Dead zone forecast Reducing pollution Oyster populations 11 Virginia Nitrogen Loads (lbs/year) CB Watershed Model 5.3.2
2017- 60% progress Chesapeake Bay TMDL 12 Virginia Nitrogen Loads CB Watershed Model 5.3.2 198 5 2015 31.2% reduction 15
Virginia Phosphorus Loads (lbs/year) CB Watershed Model 5.3.2 2017- 60% progress Chesapeake Bay TMDL 18 Virginia Phosphorus Loads CB Watershed Model 5.3.2 198 5 2015 44%
reduction 21 Virginia Sediment Loads (lbs/year) CB Watershed Model 5.3.2 2017- 60% progress Chesapeake Bay TMDL 24 Virginia Sediment Loads CB Watershed Model 5.3.2
198 5 2015 27% reduction 27 State Implementation Initiatives 30 State Initiatives AGRICULTURE
Increased implementation of cost share program including livestock exclusion Development of agricultural Resource Management Plans (RMPs) Development of fertilizer sales data tracking system STORMWATER Reissued all Phase I Municipal Separate Storm Sewer Systems (MS4) permits Begin regulatory development for reissuance of Phase II MS4 General Permit Implementation of revised stormwater management technical criteria across the State FORESTRY Healthy watersheds forest project local tools to retain forest lands LAND USE Implementation of Chesapeake Bay Preservation Act environmental site design criteria: Minimize land disturbance; Maintain indigenous vegetation; Minimize impervious cover 31
Data and Funding Initiatives DATA CLEANUP Completed historical data cleanup to improve accuracy of BMP information Developed BMP warehouse to facilitate submittal of BMP information Completed land cover project to improve land use information across Virginia Local Governments invited to review land use data FUNDING Water Quality Improvement Fund Livestock Exclusion Cost-Share program Stormwater Local Assistance Fund Living Shorelines Loan Program Federal Grants 32
Whats Next? 33 Key Issues Moving Forward Conowingo Dam Factoring Climate Change into the TMDL
Result of BMP Expert Panels (16 now at work) Phase 6 Model Verification Funding and innovations in financing Planning Targets/WIP III development including local planning goals 34 Phase III WIP Timeline
Local review of the Phase 6 model land use data EPA releases final expectations for Phase III WIPs October-Nov 2016 April 2017 Release of final Phase 6 model EPA releases draft Phase III WIP Planning Targets EPA releases final Phase III WIP Planning
Targets Draft Phase III WIPs due to EPA June 2017 EPA feedback and public comment on draft Phase III WIPs Final Phase III WIPs due to EPA October 2018 June 2017 December 2017 August 2018 December 2018
35 Local Engagement Timeline December 2016 through second quarter of 2017: Initial presentations to elected officials and staff, Soil & Water Conservation District Directors and staff, NGOs Phase 6 Model and draft planning targets released June 2017 Third and fourth quarters of 2017: Two rounds of regional engagement work sessions including local and SWCD district staff as well as local stakeholders Final planning targets released December 2017
First quarter 2018: Final engagement round prior to submittal of the draft Phase III WIP in August 2018 36 Phase 6 Model Update Land use categories and Model data have been updated, based on more recent data Finer resolution of land cover categories (now at 10 meter resolution) Model is the only tool used by EPA to forecast the effects of practices and strategies on the Chesapeake Bay Works best at a larger scale (e.g. river basin)
Will be used for the Phase III WIP 37 Expectations and Opportunities for Local Engagement Feedback to EPA through Local Government Advisory Committee Continue to provide BMP information not reported elsewhere through BMP warehouse Review local programs and initiatives to identify gaps and optimize existing programs and projects Identify what pollutant reductions are already being achieved/planned for in various programs 38
Opportunities for Local Engagement Develop workable strategies to fill gaps and that yield multiple benefits Explore and pursue peer-to-peer exchanges of ideas, tools, and best practices Participate in organized meetings & training opportunities Take advantage of funding opportunities 39 Local Opportunities for Water Quality Protection
Meet multiple program goals and requirements: Stream protection and restoration Quality of life; recreation; economics Virginia Stormwater Management; Erosion & Sediment Control; MS4; Chesapeake Bay Preservation Act; TMDLs Local ordinances; comprehensive plans; watershed plans 40 Bay/Local Water Quality Protection Continue/promote existing local nutrient and sediment reduction strategies: o Stream restoration projects
o Resource Management Planning (agricultural sector) o Environmental site design (minimize impervious cover, maintain indigenous vegetation, minimize land disturbance) o Tree plantings o Maintain/restore forest buffers o Reduced threshold for erosion & sediment control practices 41 Water Quality Measures that Yield Multiple Benefits Water Quality Practice Expanded tree canopy
Green infrastructure & environmental site design Stormwater quantity control Stream restoration Additional Benefits Shade and community attractiveness Reduced stormwater costs Reduce future
stream restoration costs Reduce loss of property 42 MS4s and the Phase III WIP Continue compliance with all permit conditions and implement Chesapeake Bay TMDL Action Plans Continue to report all verified and installed BMPs Regulatory development schedule for reissuance of small MS4 General Permit will not likely allow for incorporation of the Phase 6 model or the Phase III WIP
Promote strategies to address pollutant reductions outside of MS4 service areas 43 Examples of Local Success Stories 44 City of Alexandria & Arlington County: Four Mile Run Stream Problems: Project Heavily urbanized stream resulting in significant sediment transport
Solution: Naturalize stream banks; minimize sediment transport; replace rip-rap with vegetation Anticipated pollutant reductions: Sediment: 5254.14 lbs/year Nitrogen: 76.79 lbs/year Phosphorous: 7.17 lbs/year 45 City of Staunton: Lake Tams BMP Retrofit Problems:
Severely eroded banks High erosion and sediment transport downstream Solution: Construct riprap energy dissipater and sediment forebay Utilize Virginia Stormwater Local Assistance funds $200,000 Anticipated pollutant reductions: Phosphorous: 242 lbs/year Completed sediment forebay
46 Town of Kilmarnock, Northern Neck: Stream Restoration Problems: Severe stream bank erosion resulting in heavy sediment and nutrient loads downstream Solution: Comprehensive stream restoration Anticipated pollutant reductions: Sediment: 812 lbs/year
Nitrogen: 706 lbs/year Phosphorous: 279 lbs/year Town of Kilmarnock 47 DCR/City of Harrisonburg: Blacks Run Watershed Problem: Stormwater pollution from numerous sources
Solution: o Installation of ~200 BMPs treating 124 urban residential acres o 170 rain barrels; 14 rain gardens o 8 bioretention/infiltration practices o 7 riparian buffer planting projects > 1 acre o 2,850 ft of streambank stabilization o 65 pet waste digesters o 117,500 gallons of rainwater harvested o 8 acres of trees planted Estimated Pollutant Reductions: o Nitrogen: 509 lbs/year o Phosphorous: 78 lbs/year o Sediment: 19 lbs/year 48
Your ideas! Are there other delivery mechanisms for outreach and engagement? Are there other groups to include? As the state obtains more detailed information, what are the best mechanisms to deliver that information? What kinds of educational information and forums would be of value throughout this process? Opportunities for peer-to-peer collaboration Thoughts or questions? Additional success stories? 49 Contact Info Russ Baxter, [email protected]
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