Grass Creek Park

This Park is on the north shore of the St. Lawrence River, just east of Kingston. There is a popular sandy beach here, as well as picnic area, playground, off-leash area (pilot), and boat-launch. In 2007, Kingston bought another 45 acres to the west of the park and is now in the process of creating a new master plan for the area.

WATER QUALITY

Passed water quality tests 60-95% of the time
Historical Status
This status is based on the latest sample, taken on August 28th, 2018. Lake Ontario Waterkeeper updates the status of this beach as soon as test results become available. These results were posted to Swim Guide on at

For water quality icon legend, click:

CURRENT WEATHER

-16°C

Clear

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MONITORING FREQUENCY

SOURCE INFORMATION

Water at all sites is sampled for E. coli and Total coliform at all sites.

KFL&A Public Health issues beach advisories when the geometric mean concentration of at least five samples is at least 200 E. coli / 100 mL of water or when a single sample is at least 400 E. coli / 100 mL of water.

This guideline comes from Canada’s Guidelines for Canadian Recreational Water Quality (2012). It is applied to beaches in Ontario in accordance with Ontario’s Recreational Water Protocol, 2018.

Prior to 2018 beaches in Ontario were posted when the geometric mean of 5 samples collected within a 30-day period exceeded 100 E. coli / 100 mL of water.

Water samples are collected weekly. Results are posted to Swim Guide as soon as lab results are available. They are also available at https://www.kflaph.ca/en/healthy-living/public-beach-listings.aspx.

In Swim Guide, a beach is marked Green when the geometric mean of at least 5 samples is below 200 E.coli / 100 mL water and each individual sample concentration is below 400 E.coli/100 mL.

A beach is marked Red when the results are equal to or above a geometric mean of 200 E.coli / 100 mL water and/or 400 E.coli / 100 mL.

A beach is marked Grey when there are no current results or there is no available information.

DISCLAIMER:

Historical data from 2017 and prior reflect the previous Ontario standard of a geometric mean of ≤ 100 E. coli /100 mL.

Historical data from 2018 onward reflect the new Ontario Operational Approaches for Recreational Water Guideline, 2018: Geometric mean concentration ≤ 200 E. coli/ 100 mL and single-sample maximum concentration of ≤ 400 E. coli /100 mL.

The City of Kingston has combined sewers monitored by Utilities Kingston.
Try to avoid contact with the water for 48 hours after a rainfall event.

To view Utilities Kingston’s live combined sewer overflow monitoring data, visit: https://utilitieskingston.com/Wastewater/SewerOverflow/Map.

WATER QUALITY GRAPH

Grass Creek Park

Kingston, Ontario

Managed by Lake Ontario Waterkeeper

WATER QUALITY

Passed water quality tests 60-95% of the time
Historical Status
This status is based on the latest sample, taken on August 28th, 2018. Lake Ontario Waterkeeper updates the status of this beach as soon as test results become available. These results were posted to Swim Guide on at

For water quality icon legend, click:

CURRENT WEATHER

-16°C

Clear

MONITORING FREQUENCY

SOURCE INFORMATION

WATER QUALITY GRAPH

Beach	Location	Water Quality
Parc Joel Stone Park Gananoque, Ontario	Gananoque, Ontario	Historical Status
Arrowhead Beach Park Kingston, Ontario	Kingston, Ontario	Current Status
Potter's Beach Grindstone Island, New York	Grindstone Island, New York	Historical Status
Wolfe Island - Boat Club Frontenac Islands, Ontario	Frontenac Islands, Ontario	Current Status

Other Beaches Near This One

Beach	Location	Water Quality
Parc Joel Stone Park Gananoque, Ontario	Gananoque, Ontario	Historical Status
Arrowhead Beach Park Kingston, Ontario	Kingston, Ontario	Current Status
Potter's Beach Grindstone Island, New York	Grindstone Island, New York	Historical Status
Wolfe Island - Boat Club Frontenac Islands, Ontario	Frontenac Islands, Ontario	Current Status

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	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.

	Green means the beach has historically excellent or pristine water quality, but there is no current data.

	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.