Managing Nutrient Control in Tar-Pamlico Phase IV Agreement
Explore the details of the Tar-Pamlico Phase IV Agreement, addressing nutrient control measures, performance evaluation, parties involved, basin association members, and the key changes incorporated in the agreement over a 10-year span.
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Presentation Transcript
Request Approval of the Tar-Pamlico Phase IV Agreement Environmental Management Commission July 9, 2015 John Huisman DWR Nonpoint Source Planning Branch 1
Agreement Basics Nutrient control Agreement for Tar-Pam point sources Initiated 1990 in response to Tar-Pam NSW designation Association of point sources formed Novel cost-effective option to reduce collective discharge Collective annual end of pipe N&P caps based on performance goals: 30% Reduction N No increase in P Relative to 1991 Baseline Association funds Ag Cost Share BMPs if cap exceeded Current Offset Rate $13.15/lb N 2
Agreement Performance Association remains successfully below caps to date Loads as of 2014 73% of Nitrogen Cap 57% of Phosphorus Cap Agreement part of overall management strategy Initial voluntary NPS strategy adopted in rules effective 2000. 3
Parties to the Agreement Phase I Parties Association, Division, EMC, DSWC, Enviros Phase IV Parties Association, Division, EMC, DSWC Enviros (PTRF & EDF) declined to sign on to Phase IV Allocation Concerns Evaluation of Progress All parties will continue to remain engaged in process 4
Tar-Pam Basin Association Members (Phase IV) 1. 2. Bunn 3. Enfield 4. Franklin W&S Authority 5. Greenville Utilities 6. Louisburg 7. Oxford 8. Pinetops 9. Robersonville 10. Rocky Mount 11. Scotland Neck 12. Spring Hope 13. Tarboro 14. Warrenton 15. Washington 16. Creedmoor Belhaven 5
Phase IV Agreement Phase IV timespan = 10 years May 2015 - May 2025 Big Change: Incorporated individual allocation / limits Response to EPA Group and individual permits Individual limits enforceable if group cap exceeded Also added Creedmoor Joined Association in 2014 Remains serviced by SGWASA (Neuse Basin) 6
Phase IV Agreement Resolved how banked credit can be used Ag BMP banked credits always available as offsets Gage credit used toward just 10% of any offset Established Process to update N and set P rate Based on total actual costs of BMPs Offset rates updated by 2017 Revised Non-Association Recommendations Refers to ongoing rules re-adoption process 7
Phase IV Agreement Evaluation of Progress Section - Advisory Points to Basin Plan Action Plan for specifics Rules re-adoption implements some Action Plan items Revised Termination of Agreement Members subject to permit nutrient requirements DWR to evaluate need for point source rulemaking 8
Action Requested Staff requests the approval of the Phase IV Agreement 9
Questions? 10
