Noxon Reservoir
Sanders County, Montana7,851 acresView mapDirections
No nutrient or algae sampling on record from Montana DEQ for this lake.
- 156 ft max depth
Noxon Reservoir in Sanders County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Maximum depth: 156 ft. Surface area: 7851 acres.
Noxon Reservoir is a 7,851-acre lake in Sanders County, Montana with a maximum depth of 156 feet.
Source: EPA Water Quality Portal sampling records, Montana DEQ. Methodology: how these readings are compared.
What Noxon Reservoir is good for
From access and monitoring records, not editorial picks.
- Deep water156 ft surveyed max depth
- Big water7,851 acres
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Noxon Reservoir is safe to swim in today is a call for the Montana Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Noxon Reservoir
These are the measurements Montana DEQ publishes for Noxon Reservoir, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. TSI undefined.
Ask about Noxon Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
156 ft
Surface area
7,851 acres
Shoreline
97.4 mi
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Frequently asked questions about Noxon Reservoir
Where is Noxon Reservoir?
- Noxon Reservoir is a lake in Sanders County, Montana. Its water-quality measurements are published by Montana DEQ and shown on this page as reported.
What is the water quality of Noxon Reservoir?
- Noxon Reservoir in Sanders County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Maximum depth: 156 ft. Surface area: 7851 acres.
Is Noxon Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Noxon Reservoir?
- Noxon Reservoir has a maximum depth of 156 feet. The lake covers 7851 acres.
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Where this data comes from
Measurements for Noxon Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.