Harford County

Hills Grove Picnic Area #1 Location


Hills Grove Picnic Area #1 Location

Recreational Water Sampling Results

Sample Taken Frequency of Samples E. coli Count Threshold Level: E. coli
5/19/25 Bi-weekly 115 cfu 235 cfu
6/2/25 Bi-weekly 78 cfu 235 cfu
6/16/25* Bi-weekly 272 cfu 235 cfu
6/30/25 Bi-weekly 411 cfu 235 cfu
7/14/25* Bi-weekly 69 cfu 235 cfu
7/28/25* Bi-weekly 365 cfu 235 cfu
8/11/25 Bi-weekly 140 cfu 235 cfu
8/25/25* Bi-weekly 219 cfu 235 cfu

^ Data not available due to laboratory error

* Indicates a rain event occurred within 48 hours prior to sampling 

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