Crystal Lake closed due to elevated E-coli bacteria

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Crystal Lake.

MANCHESTER, NH – The public beach at Crystal Lake was closed following routine water testing on July 17 indicating elevated levels of e.coli bacteria.

Retesting of the water was done on July 18 by the Manchester Department of Health. Results are expected July 19, and if the levels are within the safe range, the public beach will be reopened at that time.

In accordance with NH RSA 485-A, Class B waters, those acceptable for fishing, swimming and other recreational purposes are tested weekly, and shall not have greater than an average of 88 Escherichia coli (E-coli) per 100 milliliters of water.

When water sample results are greater than an average of 88 E-coli per 100 milliliters, the Manchester Health Department may close the area to swimming until the levels are acceptable. 

Results of the July 17 testing at Crystal Lake

E.Coli per 100 ml: 770 Lake Right
E. Coli per 100 ml:  1733 Lake Left

Click here to see the results of weekly water testing of Manchester public recreational sites.


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Longtime NH journalist and publisher of Loves R&B, German beer, and the Queen City!