Clark Street Beach

Managed by Swim Drink Fish Canada - Great Lakes Guide

Clark Street Beach offers volleyball courts and a picnic area jus outside of the beach. You must purchase a beach token or daily pass to use this beach, except on Monday's when residents of Evanston have free beach access.

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Water Quality

Met water quality standards less than 60% of the time
Historical Status
This status is based on the latest sample, taken on September 1st, 2022. Swim Drink Fish Canada - Great Lakes Guide updates the status of this beach as soon as test results become available. These results were posted to Swim Guide on September 2nd, 2022 at 1:17 PM.

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Current Weather

11°C

Mostly clear

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Monitoring Frequency

Source Information

City of Evanston Parks and Recreation Department updates the status of its beaches daily from Memorial Day to Labour Day. When water quality alerts are issued via email or Twitter, Lake Ontario Waterkeeper updates Swim Guide.

The City of Evanston samples beaches daily - 7 days a week - pending weather conditions. Recreational public beaches in Illinois are tested at least once every week, typically from May to September. In popular beach areas such as Chicago, beaches are tested five times per week or even daily. Illinois beaches are posted when a single sample exceeds 235 E. coli / 100 ml.

In the USA, the Environmental Protection Agency has two sets of recommendations for freshwater and marine beaches. A single sample at a freshwater beach should not exceed 235 E. coli / 100 ml of water. A single sample at a marine beach should not exceed 104 Enterococci / 100 ml of water. The geometric mean of 5 samples from a freshwater beach should not exceed 126 E. coli / 100 ml of water. The geometric mean of 5 samples from a marine beach should not exceed 35 Enterococci / 100 ml of water. States may choose to use this standard or they may substitute a standard that is "as protective as" the EPA's recommendation. The Beach Act is the nation's primary beach protection law.

Water Quality Graph

Beach	Location	Water Quality
Lighthouse Beach Evanston, Illinois	Evanston, Illinois	Historical Status
Dog Beach Evanston, Illinois	Evanston, Illinois	Current Status
Lee Street Beach Evanston, Illinois	Evanston, Illinois	Historical Status
South Boulevard Beach Evanston, Illinois	Evanston, Illinois	Historical Status

Beach

Location

Water Quality

Lighthouse Beach

Evanston, Illinois

Historical Status

Dog Beach

Evanston, Illinois

Current Status

Lee Street Beach

Evanston, Illinois

Historical Status

South Boulevard Beach

Evanston, Illinois

Historical Status

	Green means the beach’s most recent test results met relevant water quality standards.

	Red means the beach’s most recent test results failed to meet water quality standards.

	Grey means water quality information for the beach is too old (more than 7 days old) to be considered current, or that info is unavailable, or unreliable.

	Green means the beach passed water quality tests 95% of the time or more.

	Yellow means the beach passed water quality tests 60-95% of the time.

	Red means the beach failed water quality tests 40% of the time or more.

	This means that this site has been issued a Blue Flag status for the current swimming season. This status does not indicate current water quality.

	Red means the water at the site has water quality issues or there is an emergency.

	Grey means there is no current water quality information, the beach is under construction, there has been an event that has rendered water quality information unreliable or unavailable.