Tag: Mexican Hat

San Juan River: Mexican Hat
E. coli Monitoring 2019

Update July 25, 2019 The Division of Water Quality (DWQ) detected elevated levels of E. coli at Mexican Hat on May 23, 2019, during routine sampling. E. coli values reached 1203 Most Probable Number (MPN) per 100 mL, approximately three times higher than the health advisory threshold of >409 MPN per 100 mL. Subsequent sampling …

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