Update on Wyoming Draft 303(d) List and Changes to Watershed Planning

1. Update on Wyoming Draft 303(d) List and Changes to Watershed Planning

2. Draft 2006 303 (d) List • Public Comment Period ended March 15th • WDEQ reviewing comments • Anticipated submittal to EPA after April 1st

3. New ListingsTable A – Impaired Waters,TMDL Required • 10 new listings to Table A • Ocean Lake • South Fork Powder River • Willow Creek (Tributary to above) • Dalton Ditch (Story area) • North Piney Creek (Story area) • Middle Prong Wild Horse Creek • Little Powder River • Stonepile Creek • Goose Creek (New pollutant) • Little Goose Creek (New pollutant)

4. New ListingsTable C – Threatened Waters, TMDL Required • 1 New Listing • Kirby Creek

5. Prioritization for TMDLDevelopment Schematic for Determining Priority for TMDL Development • a. Formal Commitment to Watershed Planning - Low Priority • a. No Formal Commitment to Watershed Planning • b. Human Health Risk with Pollutant • c. UAA with Credible Data Submitted Low Priority • c. No UAA or UAA Lacking Credible Data • d. Impairment Will be Addressed in WLA • e. WLA to be Approved in Biennium High Priority • e. WLA to be Approved in Second Biennium Medium Priority d. Impairment Will Not be Addressed in WLA • f. Other Ongoing Actions Currently Addressing the Impairment on a Watershed Scale Medium Priority • f. No Watershed-Scale Implementations or Will not Address Impairment High Priority • b. No Human Health Risk with Pollutant • g. UAA with Credible Data Submitted Low Priority • g. No UAA or UAA Lacking Credible Data Medium Priority

6. Waters Impaired or Threatened but Not Requiring A TMDL • Category 4a – The water has an approved TMDL. • Category 4b – Water has other required pollution control requirements that are expected to address all water pollutant combinations. • Category 4c – Pollution, not pollutants, is the sole source of impairment.

7. Delisted WatersTable D, No TMDL Required • 7 Delistings (not including discharge permits renewals) • Reardon Draw • East Fork Smiths Fork • West Fork Smiths Fork • Salt Creek (moved to 4b) • Middle Crow Creek (4b) • North Branch North Fork Crow Creek (4b) • Clarks Fork Yellowstone (4a, MT TMDL)

8. Changes to Watershed Planning • Formal Watershed Planning Commitment Letter • Additional Requirements to 319 Grant Funded Projects

9. Formal Watershed Planning Commitment Letter • Need For Commitment Letter • Everyone involved is on same page: • Timelines understood • Deliverables • Changes in Staff: WDEQ, CD • Changes in Watershed Planning Committee Members

10. Contents of Commitment Letter • Parameter(s) for Listing • Timeline: • Year of Listing • Deadline for Approved Watershed Plan • Draft Plan in time to allow revisions • Who is responsible for writing Plan

11. 2003 EPA Section 319 Guidance Components of a Watershed-Based Plan • Identification of Causes and Sources** • Estimation of Necessary Load Reductions** • Description of NPS Management Measures needed to achieve Load Reductions • Estimate of Financial and Technical Assistance Needed • An I&E Program • Schedule for Implementation • Interim Measurable Milestones • Set of Criteria to evaluate Load Reduction Achievement** • Monitoring Program

12. Additional Watershed Planning Information • EPA New “Draft” Handbook for Developing Watershed Plans to Restore and Protect Our Waters • Chapter 8: Estimate Pollutant Loads • Chapter 9: Set Goals and Identify Load Reductions

13. Obtain CopyPublication # EPA 841-B-05-005 • Phone Order: • 1.800.490.9198 • Download pdf: • http://www.epa.gov/owow/nps/pubs.html • http://www.epa.gov/owow/nps/watershed_handbook/ • Email Comments to: • watershedhandbook@epa.gov

14. Contact Information Don Newton 510 Meadowview Drive Lander, WY 82520 307.335.6965 dnewto@state.wy.us