Church Slough
Flathead County, Montana195 acresView mapDirections
No nutrient or algae sampling on record from Montana DEQ for this lake.
Church Slough in Flathead County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 195 acres.
Church Slough is a 195-acre lake in Flathead 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 Church Slough 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 Church Slough
These are the measurements Montana DEQ publishes for Church Slough, 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 Church Slough
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
195 acres
Shoreline
5.9 mi
No bathymetric survey has been published for Church Slough, so its depth is not documented here.
Stays via Stay22
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Frequently asked questions about Church Slough
Where is Church Slough?
- Church Slough is a lake in Flathead County, Montana. Its water-quality measurements are published by Montana DEQ and shown on this page as reported.
What is the water quality of Church Slough?
- Church Slough in Flathead County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 195 acres.
Is Church Slough 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 Church Slough come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.