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Main Creek Water Quality Report Sandy Wingert UDWQ PRWC October 8, 2015 1.

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Presentation on theme: "Main Creek Water Quality Report Sandy Wingert UDWQ PRWC October 8, 2015 1."— Presentation transcript:

1 Main Creek Water Quality Report Sandy Wingert UDWQ PRWC October 8, 2015 1

2 Main Creek Water Quality Problem  Deer Creek Reservoir was listed on Utah’s 2000 303(d) list for failing to protects its cold water fishery designated use due to low dissolve oxygen (DO) and high water temperature.  Approved 2002 TMDL determined that low DO levels in Deer Creek Reservoir were caused by high TP concentrations.  Main Creek contributes 17 % TP load into the reservoir but only contributes 8 % of the flow.  Main Creek was also added to 2010 303(d) list for failing to protect its infrequent recreational use and cold water fishery due to elevated E. coli and water temperature. PRWC October 8, 20152

3 Utah Sensitive Species Leatherside Chub Bonneville Cutthroat Trout UPR Columbia Spotted Frog PRWC October 8, 20153

4 Wallsburg Coordinated Resource Management Plan – March 2007  Sponsored by NRCS  Voluntary natural resource planning process to enhance resource management and resolve resource issues  Locally led by Wasatch Conservation District  Listed water conservation and quality as top two resource concerns PRWC October 8, 20154

5 Main Creek Restoration Video PRWC October 8, 20155

6 Main Creek Restoration  Streambank restoration – lower water temperature and reduce E. coli & TP loading  Streambanks – highly erodible due to lack of vegetation & direct access by livestock  Lack of woody vegetation (shading) – higher instream temperature PRWC October 8, 20156

7 Main Creek Restoration- September 2013 Best Management Practices Included:  Fencing  Soil lifts  Off-site watering  Native vegetation planting  Installation of hard structures (j hooks)  Water gaps  Riparian seeding PRWC October 8, 20157

8 Main Creek Restoration Over 4 river miles restoredOver 5 miles fenced built PRWC October 8, 20158

9 Main Creek Restoration Results Listed Assessment – 18% exceedance (2004- 2008) Temperature exceedances at 4% (2010-2014) Main Creek is now considered to be fully supporting its cold water fishery use. It will be delisted in 2016. PRWC October 8, 20159

10 TP Concentration in Main Creek Over Time Slight decrease over time but concentrations are still above TMDL target of 0.03 mg/L PRWC October 8, 201510

11 63% reduction in TP loading after Main Creek restoration efforts began PRWC October 8, 201511

12 PRWC October 8, 201512

13 PRWC October 8, 201513

14 PRWC October 8, 201514

15 E. coli Synoptic Monitoring Results PRWC October 8, 201515

16 E. coli Synoptic Monitoring Results PRWC October 8, 201516

17 E. coli Synoptic Monitoring Results PRWC October 8, 201517

18 Pharmaceutical and Personal Care Products Sampling – Aug 2015 Sampled 8 sites in the watershed Analyzed 39 compounds All samples came back non-detects except 1 Spring Creek in Wallsburg Carbamazepine – 7 ng/L Detection Limit – 5 ng/L MN Screening Value – 40 ug/L Sample 3 more times before fall 2016 PRWC October 8, 201518

19 Main Creek Fisheries Data http://utahspecies.com/leathersidechub.html Population densities are 7 x higher (2007-2010) PRWC October 8, 201519

20 Main Creek Funding (through 2014) EntityFunding Amount NRCS (EQIP + CRMP)$516,422 UDWQ NPS$238,000 EPA Section 319$150,000 UDAF Seed Money Program$100,000 WRI$85,000 Landowners (In-kind)$57,527 PRWC $50,000 UT Reclamation & Mitigation$45,000 UGIP$25,874 UACD$10,000 Wasatch County$3,000 Wasatch CD$376 Total$1,281,199 PRWC October 8, 201520

21 Next Steps  Spring Creek Subwatershed  Replace culvert at Mud Lane  Streambank restoration  Plantings along Spring Creek spring in Wallsburg  Monitoring  Water Quality  Biological & physical (Aug 2015)  PPCPs  Fisheries PRWC October 8, 201521


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