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Franks Lake

Renfrew, OntarioView mapDirections

Ontario MECP publishes the water-quality measurements for Franks Lake. Here is what has been measured.

Phosphorus
8.4 µg/L
Measured by Ontario MECP
  • Limited data

Franks Lake in Renfrew, Ontario has water-quality measurements published by Ontario MECP, shown here as reported. Phosphorus: 8.4 µg/L.

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Franks Lake is a lake in Renfrew County, Ontario.

Source: Ontario open-data programmes (Lake Partner Program and Broad-scale Monitoring) — not the EPA Water Quality Portal, last sampled 2025-06-21. Grade methodology: LakeQuality methodology.

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Franks Lake is safe to swim in today is a call for the Ontario Ministry of the Environment, Conservation and Parks and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Franks Lake

These are the measurements Ontario MECP publishes for Franks Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

No clarity data. Phosphorus 8.4 µg/L. TSI 35.

MetricValueEPA condition class
Water Clarity (Secchi Depth)No recent samples
Phosphorus8.4 µg/LMeasured, not scored
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)35Oligotrophic

Low nutrients, clear water. No reading is a swimming clearance.

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Frequently asked questions about Franks Lake

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Answers come straight from the public measurements and survey records on this page.

Where is Franks Lake?

Franks Lake is a lake in Renfrew, Ontario. Its water-quality measurements are published by Ontario MECP and shown on this page as reported.

What is the water quality of Franks Lake?

Franks Lake in Renfrew, Ontario has water-quality measurements published by Ontario MECP, shown here as reported. Phosphorus: 8.4 µg/L.

Is Franks Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Oligotrophic Lakes in Ontario

Where this data comes from

Measurements for Franks Lake come from Ontario open-data programmes (Lake Partner Program and Broad-scale Monitoring), not the EPA Water Quality Portal. Per-sample source details are not recorded for this lake. Contains information licensed under the Open Government Licence – Ontario. See data sources.