Scout Lake
Columbia County, OregonView mapDirections
Oregon DEQ publishes the water-quality measurements for Scout Lake. Here is what has been measured.
- Limited data
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Answers come straight from the public measurements and survey records on this page.
Scout Lake in Columbia County, Oregon has water-quality measurements published by Oregon DEQ, shown here as reported. Phosphorus: 45 µg/L.
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Scout Lake is a lake in Columbia County, Oregon.
Source: EPA Water Quality Portal sampling records, Oregon DEQ, last sampled 2022-08-22. Grade methodology: LakeQuality methodology.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Scout Lake is safe to swim in today is a call for the Oregon Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Scout Lake
These are the measurements Oregon DEQ publishes for Scout 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 45 µg/L. TSI 59.
| Metric | Value | EPA condition class |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 45 µg/L | Measured, not scored |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 59 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Fishing Scout Lake
Nearby Lakes in Columbia County
Frequently asked questions about Scout Lake
Where is Scout Lake?
- Scout Lake is a lake in Columbia County, Oregon. Its water-quality measurements are published by Oregon DEQ and shown on this page as reported.
What is the water quality of Scout Lake?
- Scout Lake in Columbia County, Oregon has water-quality measurements published by Oregon DEQ, shown here as reported. Phosphorus: 45 µg/L.
Is Scout Lake 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
2 measurements from 1 monitoring station, 2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Department of Environmental Quality - State of Oregon
OREGONDEQ2 samples · 2022
Analytical methods
- 4500 P E ~ Phosphorus in Water by Colorimetry- Ascorbic Acid Method
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.