Current Water Quality
No data available
This status is based on the latest sample. New Hampshire Department of Environmental Services updates the status of this beach as soon as test results become available.
Alton Public Docks Beach is sampled Monthly from June 1st to September 1st
About Alton Public Docks Beach
Current Weather
Source Information
The New Hampshire Department of Environmental Services monitors water quality at beaches in the state from Memorial Day to Labor Day. Water samples are collected several times a week throughout the swimming season. When advisories are issued, they are posted on the DES website and on its beach advisory Twitter feed (@NHDES_Beaches). NHDES posts their latest test results to Swim Guide during the monitoring season as soon as they become available. A beach is marked Green when test results are below water quality standards of 88 counts of E. coli per 100ml or when the geometric mean of at least three samples collected in a 60-day period meets the standard of 47 counts of E. coli per 100ml of water.. A freshwater beach is marked Red when two consecutive samples exceed 88 counts of E. coli per 100ml or when the geometric mean of at least three samples collected in a 60-day period exceeds 47 counts of E. coli per 100ml of water. A beach is marked Grey when current or reliable information is unavailable.
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