Water Quality Monitoring Data

Colony Beach

Maine's Beach Action Value (BAV or safety threshold) for Enterococcus bacteria in marine waters is 104 MPN/100mL.

Site Name Date Collected Enterococcus (MPN/100mL)
COLONY-1
05/29/2024
< 10
COLONY-1
06/03/2024
10
COLONY-1
06/05/2024
63
COLONY-1
06/10/2024
60
COLONY-1
06/12/2024
20
COLONY-1
06/17/2024
10
COLONY-1
06/24/2024
98
COLONY-1
06/26/2024
10
COLONY-1
07/01/2024
< 10
COLONY-1
07/08/2024
< 10
COLONY-1
07/10/2024
< 10
COLONY-1
07/15/2024
< 10
COLONY-1
07/17/2024
183
COLONY-1
07/18/2024
41
COLONY-1
07/22/2024
74
COLONY-1
07/24/2024
10
COLONY-1
07/29/2024
10
COLONY-1
07/31/2024
20
COLONY-1
08/05/2024
< 10
COLONY-1
08/07/2024
20
COLONY-1
08/12/2024
< 10
COLONY-1
08/14/2024
20
COLONY-1
08/19/2024
98
COLONY-1
08/21/2024
10
COLONY-1
08/26/2024
30
COLONY-1
08/28/2024
50
COLONY-1
05/28/2025
10
COLONY-1
06/02/2025
10
COLONY-1
06/04/2025
20
COLONY-1
06/09/2025
10
COLONY-1
06/11/2025
< 10
COLONY-1
06/16/2025
10
COLONY-1
06/23/2025
10
COLONY-1
06/25/2025
52
COLONY-1
06/30/2025
10
COLONY-1
07/02/2025
41
COLONY-1
07/07/2025
< 10
COLONY-1
07/09/2025
< 10
COLONY-1
07/14/2025
20
COLONY-1
07/16/2025
63
COLONY-1
07/21/2025
< 10
COLONY-1
07/23/2025
< 10
COLONY-1
07/28/2025
10
COLONY-1
07/30/2025
< 10
COLONY-1
08/04/2025
< 10
COLONY-1
08/06/2025
< 10
COLONY-1
08/11/2025
20
COLONY-1
08/13/2025
52
COLONY-1
08/18/2025
< 10
COLONY-1
08/20/2025
10
COLONY-1
08/25/2025
< 10
COLONY-1
08/27/2025
< 10
COLONY-1
06/01/2022
< 10
COLONY-1
06/06/2022
< 10
COLONY-1
06/08/2022
< 10
COLONY-1
06/13/2022
299
COLONY-1
06/15/2022
41
COLONY-1
06/20/2022
75
COLONY-1
06/22/2022
20
COLONY-1
06/27/2022
< 10
COLONY-1
06/29/2022
< 10
COLONY-1
07/06/2022
< 10
COLONY-1
07/11/2022
31
COLONY-1
07/13/2022
31
COLONY-1
07/18/2022
30
COLONY-1
07/20/2022
< 10
COLONY-1
07/25/2022
10
COLONY-1
07/27/2022
< 10
COLONY-1
08/01/2022
30
COLONY-1
08/03/2022
10
COLONY-1
08/08/2022
< 10
COLONY-1
08/10/2022
< 10
COLONY-1
08/15/2022
110
COLONY-1
08/17/2022
< 10
COLONY-1
08/22/2022
< 10
COLONY-1
08/24/2022
31
COLONY-1
08/29/2022
31
COLONY-1
08/31/2022
41
COLONY-1
05/31/2023
< 10
COLONY-1
06/05/2023
41
COLONY-1
06/07/2023
30
COLONY-1
06/12/2023
10
COLONY-1
06/14/2023
< 10
COLONY-1
06/21/2023
10
COLONY-1
06/26/2023
< 10
COLONY-1
06/28/2023
41
COLONY-1
07/05/2023
528
COLONY-1
07/06/2023
63
COLONY-1
07/10/2023
< 10
COLONY-1
07/12/2023
30
COLONY-1
07/17/2023
279
COLONY-1
07/19/2023
20
COLONY-1
07/24/2023
10
COLONY-1
07/26/2023
< 10
COLONY-1
07/31/2023
41
COLONY-1
08/02/2023
52
COLONY-1
08/07/2023
10
COLONY-1
08/09/2023
332
COLONY-1
08/10/2023
10
COLONY-1
08/14/2023
20
COLONY-1
08/16/2023
10
COLONY-1
08/21/2023
120
COLONY-1
08/23/2023
10
COLONY-1
08/28/2023
10
COLONY-1
08/30/2023
109
COLONY-1
08/31/2023
97
COLONY-1
06/17/2020
< 10
COLONY-1
06/22/2020
< 10
COLONY-1
06/24/2020
31
COLONY-1
06/29/2020
< 10
COLONY-1
07/01/2020
98
COLONY-1
07/06/2020
< 10
COLONY-1
07/08/2020
20
COLONY-1
07/13/2020
< 10
COLONY-1
07/15/2020
10
COLONY-1
07/20/2020
62
COLONY-1
07/22/2020
31
COLONY-1
07/27/2020
< 10
COLONY-1
07/29/2020
< 10
COLONY-1
08/03/2020
20
COLONY-1
08/05/2020
41
COLONY-1
08/10/2020
10
COLONY-1
08/12/2020
31
COLONY-1
08/17/2020
31
COLONY-1
08/19/2020
20
COLONY-1
08/24/2020
10
COLONY-1
08/26/2020
< 10
COLONY-1
08/27/2020
< 10
COLONY-1
08/31/2020
< 10
COLONY-1
09/02/2020
< 10
COLONY-1
06/02/2021
< 10
COLONY-1
06/08/2021
< 10
COLONY-1
06/09/2021
< 10
COLONY-1
06/15/2021
10
COLONY-1
06/16/2021
< 10
COLONY-1
06/22/2021
41
COLONY-1
06/23/2021
10
COLONY-1
06/29/2021
< 10
COLONY-1
06/30/2021
< 10
COLONY-1
07/06/2021
< 10
COLONY-1
07/07/2021
10
COLONY-1
07/13/2021
30
COLONY-1
07/14/2021
20
COLONY-1
07/20/2021
30
COLONY-1
07/21/2021
452
COLONY-1
07/22/2021
30
COLONY-1
07/27/2021
10
COLONY-1
07/28/2021
31
COLONY-1
08/03/2021
< 10
COLONY-1
08/04/2021
10
COLONY-1
08/10/2021
51
COLONY-1
08/11/2021
63
COLONY-1
05/27/2026
20
COLONY-1
06/01/2026
10
COLONY-1
06/03/2026
< 10
COLONY-1
06/08/2026
< 10
COLONY-1
06/10/2026
20
COLONY-1
06/15/2026
246
COLONY-1
06/17/2026
20
COLONY-1
06/22/2026
< 10
COLONY-1
06/24/2026
10
COLONY-1
06/29/2026
< 10
COLONY-1
07/01/2026
< 10
COLONY-1
07/06/2026
< 10
COLONY-1
07/08/2026
< 10
COLONY-1
07/13/2026
74
COLONY-1
07/15/2026
52
COLONY-1
07/20/2026
< 10
COLONY-1
07/22/2026
< 10
COLONY-1
07/27/2026
< 10
COLONY-1
07/29/2026
20
COLONY-1
08/03/2026
20
COLONY-1
08/05/2026
< 10
COLONY-1
08/10/2026
10
COLONY-1
08/12/2026
41
COLONY-1
08/17/2026
< 10
COLONY-1
08/19/2026
< 10
COLONY-1
08/24/2026
249
COLONY-1
08/26/2026
86
COLONY-1
08/31/2026
< 10
COLONY-1
09/02/2026
10

Download Data: Water quality data are available for download using the buttons below. This download will include date collected, time collected, Enterococcus, salinity, water temperature, and air temperature.

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*MHB's water quality data are provided in real-time and are subject to revision. This season’s data are preliminary and have not received final quality assurance/quality control (QA/QC) review.