4/1/2019 Proposed Rule Amendments to Neuse & Tar-Pamlico Nutrient Strategy Rules Clayton Public Hearing March 28, 2019 Division of Water Resources, Planning Section 2B Nutrient Strategy Rules Neuse & Tar-Pamlico 2B Nutrient Rules Proposed for Amendment & Transfer to new .0700 Section Neuse Tar-Pamlico .0232 Goals Rule .0229 Non-Association .0234 Wastewater .0237 BMP Rate (Repealed) 3 .0235 New Development .0255 Ag Goals (Relocated) 1 .0236 Ag Goals (Relocated) 1 .0256 Agriculture .0238 Agriculture .0257 Nutrient Management (Repealed) 2 .0239 Nutrient Management (Repealed) 2 .0258 New Development .0240 Nutrient Offset New Rules Notes: 1 Moved into Agriculture Rule .0701 Definitions 2 Implementation completed – no longer necessary 3 Addressed in Nutrient Offset Rule .0730 Tar-Pamlico Purpose and Scope 1
4/1/2019 Summary of Revisions Purpose & Scope / Definitions (.0701, .0710, .0232) • Definitions Rule • New rule, collects existing nutrient strategy definitions in one location • Makes it easier to locate terms used in .0700 section • Purpose & Scope Rules • Clarifies geographic area to which rules apply • Adds biannual report by staff to WQC on strategy implementation progress • Adds adaptive management component Department of Environmental Quality 3 Summary of Revisions Neuse & Tar-Pamlico New Development Rules (.0235 & .0258) Local Government Requirements • Adds communities – 16 Neuse / 3 Tar-Pamlico • Criteria for adding new communities • Evaluated area in watershed, population & population growth rate • Population (> 20,000 County or > 5,000 Municipality) • Annual population growth (> 200 people / year) • Timeline for LG’s Local Stormwater Programs • DWR provides Model Program – 4 months after rule effective date • 6 months (Current LG) and 12 months (New LG) Department of Environmental Quality 4 2
4/1/2019 Summary of Revisions (Continued) Neuse & Tar-Pamlico New Development Rules (.0235 & .0258) Neuse Tar-Pamlico Current Adding Current Adding Oxford Granville County Orange County Henderson Vance County Durham County Durham Franklin County Wake County Apex, Morrisville Nash County Cary Holly Springs Rocky Mount Garner Fuquay, Knightdale Wilson County Raleigh Wendell, Rolesville, Wake Forest Edgecombe County Tarboro Johnston County Clayton Smithfield Pitt County Greenville Nash County Wayne County Greene County Beaufort County Goldsboro Washington Wilson Wilson County Kinston Pitt County Greenville, Winterville New Bern Craven County Department of Environmental Quality Havelock 5 Summary of Revisions (Continued) Neuse & Tar-Pamlico New Development Rules (.0235 & .0258) Project Requirements • Clarifies ways to meet runoff requirements • Export targets • Volume match per definition in 15A NCAC 02H .1002 • Nutrient offset option • Replaces offsite thresholds w/ minimum onsite treatment matching 2H rules • Refers to 2H Stormwater Rules density requirements • Projects with 24% BUA or greater implement SCM before using offsite offsets • Uses most recently approved accounting tool • Simplifies implementation – same tool across strategies Department of Environmental Quality 6 3
4/1/2019 Summary of Revisions (Continued) Neuse & Tar-Pamlico New Development Rules (.0235 & .0258) Project Requirements • Exempts individual SFR lot projects meeting criteria: • Not part of larger common plan of development and < 5% BUA or on lot > 5 acres • Adds flexibility by allowing use of regional SCMs • Allows LG road expansions and sidewalk projects to meet all reductions via offsets • Updates Tar-Pam export target for TP: 0.8 lbs/ac/yr Department of Environmental Quality 7 Summary of Revisions(Continued) Neuse & Tar-Pamlico Agriculture Rules (.0238 & .0256) • Improved clarity • Retains same design - updates text to reflect actual implementation • Accounting Updated • Annual progress reporting to account for Ag land lost to development • BMP Standards Included • Includes references to practice standards for Ag BMPs • Annual Reporting Process Revised • Annual reports to be submitted to Division Department of Environmental Quality 8 4
4/1/2019 Summary of Revisions(Continued) Tar-Pam Wastewater Rule (.0229) • Expands coverage beyond non-Tar-Pamlico Association (TPBA) Members • Addresses all new and expanding facilities in basin • Provides clear regulatory path to utilize allocation trading & nutrient offsets • Updated offset process – ties into Nutrient Offset Rule • Cost set by providers vs. fixed BMP formula • Adds flexibility to purchase offset based on proposed efficiency of facility • Updated treatment standards for new and expanding facilities • Municipal = 3.0 mg/L TN and 0.5 mg/L TP • Industrial = Best Available Technology Department of Environmental Quality 9 Summary of Revisions(Continued) Neuse Wastewater Rule (.0234) • Same basic requirements, no changes to existing allocations / group compliance • Changes only affect new and expanding facilities • Added flexibility for new and expanding facilities • Allows acquisition of nutrient offset credit instead of first pursuing nutrient allocation • Revised timing of offset credit purchases • Offset credits to be purchases in 10-year increments rather than 30-year increments • Revised nonpoint to point trading ratio • 1:1.1 (unmonitored) • 1:1 (monitored) Department of Environmental Quality 10 5
4/1/2019 Summary of Revisions Nutrient Offset Rule (.0240) • Improved utility • Provides for permanent credits & temporary credits • Clarifies scope of rule applicability-Trading only, not direct compliance • Universally applicable to all 4 nutrient strategies • Credit Stacking – Options for comment • Nutrient offset credits & stream credit in same spatial area • Complicated subject - stream, wetland & buffer mitigation realm, best path not clear • Staff seeking full public input • Establishes Point to Nonpoint Trading Ratios • 1 to 1.1 (unmonitored) • 1 to 1 (monitored) Department of Environmental Quality 11 Summary of Costs – New Development Stormwater Rules Costs over 10 years of Implementation Estimated Costs to Private Entities & Local Governments Net Present Value Dollars Basin Private Costs Local Government Local Government (Over 10 years) Costs One-time (Over 10 years) Opportunity Costs Neuse $30.1M $2.3M $250K Tar-Pamlico $10.3M $446K $85K Department of Environmental Quality 12 6
4/1/2019 Neuse & Tar-Pamlico Wastewater Rules Evaluation of Costs • Permitting scenarios analyzed at facility scale to evaluate costs & cost savings • Neuse Wastewater Rule • Changes result in cost savings • Tar-Pamlico Wastewater Rule • TPBA benefits, option for new / expanding not addressed in current Rule • Non-Association members – potential costs based on scenarios Department of Environmental Quality 13 Environmental Benefits Benefits of Nutrient Rules • Reduced Nutrient Inputs to Estuary • Neuse: 654 - 774 lbs. of N per year • Tar-Pam: 231 - 251 lbs. of N per year and 15 lbs. of P per year • Reduced Stormwater Runoff Volume = Hydrologic Benefits • Neuse: 6.4 Million ft 3 /yr Eliminated & 28.5 Million ft 3 /yr Detained • Tar-Pam: 2.4 Million ft 3 /yr Eliminated & 10.9 Million ft 3 /yr Detained • Environmental & Social Benefits • Recreational Benefits • Local Economy & Property Values • Stream Improvement • Aquatic Life • Ecological Communities Department of Environmental Quality 14 7
4/1/2019 Rulemaking Schedule Next Steps April 16, 2019 End of 60-Day Public Comment Period April – June 2019 Hearing Officers deliberate, revise and finalize rules DWR Staff completes Hearing Officer Report July / September 2019 Final Rules Presented to EMC for Adoption Proposed Rules & Fiscal Note Posted Online: https://deq.nc.gov/documents/15a-ncac-02b-0700-neuse-and-tar-pamlico-nutrient-strategy-rules-15a-ncac-02b-0701-and-0 Department of Environmental Quality 15 How to Provide Comments • Comment at Public Hearing • Send Comments By: Email: nps-comments@ncdenr.gov Mail: John Huisman DWR Planning Section 1611 Mail Service Center Raleigh, NC 27699-1611 • Comment Period Ends – April 16, 2019 Department of Environmental Quality 16 8
Recommend
More recommend