8-02B: Water Quality in Streams and Rivers
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WATER QUALITY IN FRESHWATER BODIES
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THURSTON COUNTY
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Number of Sites for Each Level of Concern
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ParameterLowModerateHighTotal Sites
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Fecal Coliform Bacteria1617033
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Dissolved Oxygen1811433
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pH285033
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Total Phosphorus626133
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Temperature1617033
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Nitrite + Nitrate1471233
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Turbidity285033
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Overall WQI Score724233
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SOURCE
Thurston County Water Resources Monitoring Reports
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https://www.co.thurston.wa.us/health/ehrp/annualreport.html#10-11
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NOTELow - WQI scores of 80 or above have the lowest concern for water quality impairment.
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Moderate - sites with a WQI score between 40 and 79 are of moderate concern
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High - sites with a WQI score 39 or below are sites where water quality did not meet expectations and are the highest concern for impairment.
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DATE UPDATED8/29/2019
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