North Chinook Reservoir
Blaine County, Montana523 acresView mapDirections
No nutrient or algae sampling on record from Montana DEQ for this lake.
North Chinook Reservoir in Blaine County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 523 acres.
North Chinook Reservoir is a 523-acre lake in Blaine County, Montana.
Source: EPA Water Quality Portal sampling records, Montana DEQ. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether North Chinook 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 North Chinook Reservoir
These are the measurements Montana DEQ publishes for North Chinook 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 North Chinook Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
523 acres
Shoreline
8.3 mi
No bathymetric survey has been published for North Chinook Reservoir, so its depth is not documented here.
Stays via Stay22
Stays near North Chinook Reservoir
Compare lakeside cabins, hotels, and vacation rentals near North Chinook Reservoir in Blaine County, Montana — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
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Frequently asked questions about North Chinook Reservoir
Where is North Chinook Reservoir?
- North Chinook Reservoir is a lake in Blaine County, Montana. Its water-quality measurements are published by Montana DEQ and shown on this page as reported.
What is the water quality of North Chinook Reservoir?
- North Chinook Reservoir in Blaine County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 523 acres.
Is North Chinook Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
Measurements for North Chinook Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.