Harford County
Notice: Our Environmental Health webpages are currently under construction. If you need assistance finding information, please call 410-877-2300. Thank you for your patience.

Click Here for Information on Food Pantries in Harford County

Para información en español haga clic aquí

Recreational Water Sampling Geometric Mean History


2026 Geometric Mean History

Sample Locations

Sample Taken Geometric Mean (cfu) Indicator Threshold Level:

Impact Within 24-48hrs

Kilgore Falls

5/18/26

6/1/26

6/15/26

6/29/26

7/13/26

7/27/26

8/10/26

8/24/26

8/31/26

32 cfu

41 cfu

352 cfu

120 cfu

178 cfu

301 cfu

203 cfu

184 cfu

93 cfu

E. coli 235 cfu Bathers at lower falls. No rain within 72 hours

No rain in last 72 hours, bathers and dogs

Rain

Rain

Rain

Wilsons Picnic Area

5/18/26

6/1/26

6/15/26

6/29/26

7/13/26

7/27/26

8/10/26

8/24/26

8/31/26

165 cfu

154 cfu

1153 cfu

170 cfu

164 cfu

122 cfu

275 cfu

1733 cfu

96 cfu

E. coli

235 cfu

Bathers and trash present, water turbid, No rain within 72 hours

No rain in last 72 hours

Rain

Rain

Rain

Hills Grove Picnic Area

5/18/26

6/1/26

6/15/26

6/29/26

7/13/26

7/27/26

8/10/26

8/24/26

8/31/26

558 cfu

190 cfu

2121 cfu

205 cfu

139 cfu

470 cfu

272 cfu

1741 cfu

141 cfu

E. coli

235 cfu

Bathers at site 1, water turbid, No rain within 72 hours

No rain in last 72 hours, dogs and bathers in water

Rain

Rain

Rain

 

Mariner Point Park

(West)

5/19/26

6/2/26

6/16/26

6/30/26

7/14/26

7/28/26

8/11/26

8/25/26

9/1/26

33 cfu

10 cfu

85 cfu

18 cfu

64 cfu

10 cfu

2010 cfu

23 cfu

18 cfu

Enterococci

104 cfu

Outgoing tide, no rain in last 72 hours

Outgoing tide, no rain in last 72 hours

Outgoing tide, Rain

Outgoing tide

Outgoing tide

Outgoing tide

Low tide

Outgoing tide, Rain

 

Mariner Point Park (South)

5/19/26

6/2/26

6/16/26

6/30/26

7/14/26

7/28/26

8/11/26

8/25/26

9/1/26

13 cfu

69 cfu

31 cfu

197 cfu

55 cfu

97 cfu

2010 cfu

23 cfu

137 cfu

Enterococci

104 cfu

Outgoing tide, no rain in last 72 hours

Outgoing tide, no rain in last 72 hours

Outgoing tide, Rain

Outgoing tide

Outgoing tide

Outgoing tide

Low tide

Outgoing tide, Rain

 

Mariner Point Park

(East)

5/19/26

6/2/26

6/16/26

6/30/26

7/14/26

7/28/26

8/11/26

8/25/26

9/1/26

25 cfu

92 cfu

460 cfu

25 cfu

46 cfu

39 cfu

2010 cfu

36 cfu

37 cfu

Enterococci

104 cfu

Outgoing tide, no rain in last 72 hours

Outgoing tide, no rain in last 72 hours, film on water, possible pollen build up

Outgoing tide, Rain

Outgoing tide

Outgoing tide

Low tide

Low tide

Outgoing tide, Rain

 

Copenhaver Park

5/19/26

6/2/26

6/16/26

6/30/26

7/14/26

7/28/26

8/11/26

8/25/26

9/1/26

135 cfu

181 cfu

458 cfu

79 cfu

148 cfu

159 cfu

2010 cfu

293 cfu

83 cfu

Enterococci

104 cfu

Low tide, no rain in last 72 hours

Outgoing tide, no rain in last 72 hours

Outgoing tide, Rain

Outgoing tide

Outgoing tide

Outgoing tide

Low tide

Outgoing tide, Rain

Flying Point Park

5/19/26

6/2/26

6/16/26

6/30/26

7/14/26

7/28/26

8/11/26

8/25/26

9/1/26

42 cfu

22 cfu

32 cfu

32 cfu

21 cfu

14 cfu

1155 cfu

10 cfu

51 cfu

Enterococci

104 cfu

Low tide, no rain in last 72 hours

Outgoing tide, no rain in last 72 hours

Outgoing tide, Rain

Outgoing tide

Outgoing tide

Outgoing tide

Low tide

Outgoing tide, Rain

Share this!