Panton Coulee Reservoir
Panton Coulee Reservoir in Chouteau County, Montana is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 32 acres.
- Area
- 32 acres
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Why Panton Coulee Reservoir has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Panton Coulee Reservoir, no water-quality sampling on record for this lake.
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by Montana DEQ and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Panton Coulee Reservoir is a 32-acre lake in Chouteau County, Montana.
Source: EPA Water Quality Portal sampling records, Montana DEQ, last sampled recent years. Grade methodology: LakeQuality methodology.
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Swimming Safety
Not ratedElevated nutrients
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Panton Coulee Reservoir
These readings exist but are not enough for an A–F grade — see why.
No clarity data. Trophic State Index: undefined.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) |
Where to stay near Panton Coulee Reservoir
Compare lakeside cabins, hotels, and vacation rentals near Panton Coulee Reservoir in Chouteau 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.
Top-rated places to stay near Panton Coulee Reservoir
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 32 acres |
No bathymetric survey has been published for Panton Coulee Reservoir, so its depth is not documented here.
Fishing Panton Coulee Reservoir
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Frequently asked questions about Panton Coulee Reservoir
Where is Panton Coulee Reservoir?
- Panton Coulee Reservoir is a lake in Chouteau County, Montana. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.
What is the water quality grade for Panton Coulee Reservoir?
- Panton Coulee Reservoir in Chouteau County, Montana is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 32 acres.
Is Panton Coulee Reservoir safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Panton Coulee Reservoir is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
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Where this data comes from
Measurements for Panton Coulee Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.