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Published byScot Nichols Modified over 8 years ago
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Year Two Review of Water Quality Monitoring on the Upper Strawberry River Project 07-1000 T.R. Brueggen 1 and J.L. Bouldin 1,2 1 Environmental Sciences Graduate Program, Arkansas State University, State University, AR 72467 2 Department of Biological Sciences, Arkansas State University, State University, AR 72467
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Sampling sites Greasy Creek Little Strawberry Sandy Creek Fulton County Salem
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Overview Major headwater streams in the upper Strawberry River watershed – Little Strawberry (LS) – Sandy Creek (SC) – Greasy Creek (GC) Above and below BMP implementation Surface Water Quality Tests – Nutrients Nitrites Nitrates Ortho-Phosphates – Total Suspended Solids http://arkansas-dar.org/strawberryriver.htm
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Little Strawberry River Subwatershed Largest subwatershed of the Strawberry River
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Little Strawberry Upper
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Little Strawberry Lower
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Little Strawberry (LS) NO X Data Upper Lower
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Little Strawberry (LS) Ortho-Phosphate Data Upper Lower
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Little Strawberry Total Suspended Solid (TSS) Data Upper Lower
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Greasy Creek Subwatershed 2 nd largest subwatershed of the Strawberry River
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Greasy Creek Upper
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Greasy Creek Lower
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Greasy Creek (GC) NO X Data Upper Lower
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Greasy Creek (GC) Ortho-Phosphate Data Upper Lower
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Greasy Creek (GC) Total Suspended Solid (TSS) Data Upper Lower
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Sandy Creek Subwatershed Smallest subwatershed of the Strawberry River
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Sandy Creek Upper
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Sandy Creek Lower
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Sandy Creek (SC) NO X Data Upper Lower
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Sandy Creek (SC) Ortho-Phosphate Data Upper Lower
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Sandy Creek (SC) Total Suspended Solid (TSS) Data Upper Lower
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High and Mean Values: Pre-BMP 2008, 2009, 2010 Nitrate (mg/L) Pre-BMP20092010 (thru July) SiteHighMeanHighMeanHighMean LSUP2.05 0.761.340.671.540.97 LSLO 2.37 0.560.900.581.180.70 GCUP0.670.290.690.300.480.29 GCLO1.280.290.730.340.710.44 SCUP2.300.461.110.400.830.44 SCLO0.740.310.540.270.730.42
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Nitrite (mg/L) Pre-BMP20092010 SiteHighMeanHighMeanHighMean LSUP 0.16 BDL LSLOBDL GCUPBDL GCLOBDL SCUP0.13 BDL SCLOBDL High and Mean Values: Pre-BMP 2008, 2009, 2010
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Ortho-phosphate (mg/L) Pre-BMP20092010 Site HighMeanHighMeanHighMean LSUP 0.180.04 0.110.050.060.04 LSLO0.060.010.120.05 0.09 0.04 GCUP0.050.020.080.020.050.03 GCLO0.080.030.130.05 0.03 SCUP0.050.030.130.05 0.03 SCLO0.040.02 0.14 0.050.060.03 High and Mean Values: Pre-BMP 2008, 2009, 2010
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TSS (mg/L) Pre-BMP20092010 SiteHighMeanHighMeanHighMean LSUP26.64.2 55.87.6 6.73.3 LSLO41.35.020.04.68.93.9 GCUP14.32.416.64.4 3.1 GCLO13.94.414.65.2 15.26.7 SCUP 71.48.8 36.67.15.82.8 SCLO29.34.68.83.514.05.7 High and Mean Values: Pre-BMP 2008, 2009, 2010
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Other Analyses Stream bank erosion Benthic macroinvertebrate survey Escherichia coli http://www.esf.edu/rwls/Research/Benthic/ACRONE1-1.jpg http://www.famu.org/mayfly/images/pluteus_nym.jpg http://www.lifeinfreshwater.org.uk/species%20pages/caddis%20flies.jpg.html Supported by 104-B Grant: AWRC and Arkansas State University
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Little Strawberry ≈2.74 km (1.7 miles) surveyed 24 sites determined of severe or very severe erosion
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Greasy Creek ≈3.17 km (2.0 miles) surveyed 16 sites determined of severe or very severe erosion
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Sandy Creek ≈6.63 km (4.1 miles) surveyed 22 sites determined of severe or very severe erosion
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Benthic Macroinvertebrates Abundance Spring 2009 Low: SCLO (21) High: GCLO (456) Fall 2009 Low: SCLO (135) High: LSUP (295)
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Ephemeroptera, Plecoptera and Trichoptera (EPT) 1 or less: POOR Between 2 and 5: MODERATE More than 5: GOOD Fall 2009
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Escherichia coli
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Questions?
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