Historical Water Quality
Passed water quality tests at least 95% of the time
This status is based on the latest sample, take on June 17th, 2025 Swim Guide - Main updates the status of this beach as soon as test results become available. These results were posted to Swim Guide on June 23rd at 09:10.
21st Street (Avalon) is sampled Weekly from May 15th to September 15th
About 21st Street (Avalon)
Current Weather
Source Information
The Department of Environmental Protection monitors water quality at beaches in this region from mid-May to mid-September. Water samples are collected weekly on Mondays and posted Tuesday afternoon to the Cooperative Coastal Monitoring Program website or on the beach hotline: 1-800-648-SAND. Swim Guide checks for the latest information daily, Monday through Friday throughout the monitoring season. A beach is marked Green when water samples show enterococci counts below 104 units/ 100 ml of water. A beach is marked Red when two consecutive samples have enterococci counts above 104 units/ 100 ml of water or when the state issues an advisory due to other environmental concerns such as debris, algae blooms and sewage problems. A beach is marked Grey when reliable or up-to-date information is not available.
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