Harford County

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Recreational Water Sampling Geometric Mean History


2025 Geometric Mean History

Sample Locations

Sample Taken Geometric Mean (cfu) Indicator Threshold Level:

Impact Within 24hrs

Kilgore Falls

5/19/25

6/2/25

6/16/25

6/30/25

7/14/25

7/28/25

8/11/25

8/25/25

99 cfu

 

 

 

 

 

 

E. coli 235 cfu None

 

 

 

 

 

 

 

Wilsons Picnic Area

5/19/25

6/2/25

6/16/25

6/30/25

7/14/25

7/28/25

8/11/25

8/25/25

92 cfu

 

 

 

 

 

 

 

E. coli

235 cfu

None

 

 

 

 

 

 

 

Hills Grove Picnic Area

5/19/25

6/2/25

6/16/25

6/30/25

7/14/25

7/28/25

8/11/25

8/25/25

124 cfu

 

 

 

 

 

 

 

E. coli

235 cfu

None

 

 

 

 

 

 

 

Mariner Point Park (West)

5/20/25

6/3/25

6/17/25

7/1/25

7/15/25

7/29/25

8/12/25

8/26/25

48 cfu

Enterococci

104 cfu

Low tide

 

 

 

 

 

 

 

Mariner Point Park (South)

5/20/25

6/3/25

6/17/25

7/1/25

7/15/25

7/29/25

8/12/25

8/26/25

10 cfu

 

 

 

 

 

 

 

Enterococci

104 cfu

Low tide

 

 

 

 

 

 

 

Mariner Point Park (East)

5/20/25

6/3/25

6/17/25

7/1/25

7/15/25

7/29/25

8/12/25

8/26/25

78 cfu

 

 

 

 

 

 

 

Enterococci

104 cfu

Low tide

 

 

 

 

 

 

 

Copenhaver Park

5/20/25

6/3/25

6/17/25

7/1/25

7/15/25

7/29/25

8/12/25

8/26/25

226 cfu

 

 

 

 

 

 

 

Enterococci

104 cfu

Low tide

 

 

 

 

 

 

 

Flying Point Park

5/20/25

6/3/25

6/17/25

7/1/25

7/15/25

7/29/25

8/12/25

8/26/25

25 cfu

 

 

 

 

 

 

 

Enterococci

104 cfu

Incoming tide

 

 

 

 

 

 

 

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