Dutch Lake
Clearwater River, British ColumbiaView mapDirections
No A–F letter for this lake. The letter is scored against EPA reference conditions for a lake’s ecoregion, and those stop at the US border. Here is what has been measured.
- Limited data
Dutch Lake in Clearwater River, British Columbia has water-quality measurements published by ENV and no A–F letter. The letter's EPA reference conditions stop at the US border. Water clarity: 8 m visibility. Phosphorus: 2.2 µg/L. Chlorophyll-a (algae): 1 µg/L.
- Clarity
- 8 m
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Why Dutch Lake has no A–F letter
The LakeQuality letter is scored against EPA National Lakes Assessment reference conditions for a lake’s ecoregion, and those stop at the US border. There is no reference condition for British Columbia, so the scale cannot be applied to Dutch Lake at any level of sampling. Sampling here has recorded water clarity, phosphorus and algae (chlorophyll-a).
This is not a gap in the monitoring record. ENV publishes these measurements directly, and everything below that has been measured is reported on this page as ENV reports it.
Monitoring: the British Columbia Ministry of Environment and Parks. Read the full grading methodology.
Dutch Lake is a lake in Clearwater River County, British Columbia.
Source: the British Columbia Ministry of Environment and Parks — not the EPA Water Quality Portal, last sampled 2017-09-20. Grade methodology: LakeQuality methodology.
What Dutch Lake is good for
From access and monitoring records, not editorial picks.
- Clear water26.2 ft of visibility
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Check local advisories before you swim.
Water quality measurements for Dutch Lake
These are the measurements ENV publishes for Dutch Lake. No A–F letter applies here: see why.
Crystal clear, you can see 26.2 ft down. Phosphorus 2.2 µg/L. Chlorophyll-a 1 µg/L. TSI 25.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 8 m | Measured, not scored |
| Phosphorus | 2.2 µg/L | Measured, not scored |
| Chlorophyll-a (Algae) | 1 µg/L | Measured, not scored |
| Trophic State Index (TSI) | 25 | Oligotrophic |
Low nutrients, clear water. The letter is not a swimming clearance.
Fishing Dutch Lake
Nearby Lakes in Clearwater River
Frequently asked questions about Dutch Lake
Where is Dutch Lake?
- Dutch Lake is a lake in Clearwater River, British Columbia. Its water-quality measurements are published by ENV, and it carries no A–F letter, because no reference condition exists for lakes in this region, so the assessment thresholds behind the A–F scale cannot be applied here.
What is the water quality grade for Dutch Lake?
- Dutch Lake in Clearwater River, British Columbia has water-quality measurements published by ENV and no A–F letter. The letter's EPA reference conditions stop at the US border. Water clarity: 8 m visibility. Phosphorus: 2.2 µg/L. Chlorophyll-a (algae): 1 µg/L.
Is Dutch Lake safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
Explore Dutch Lake across LakeQuality
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Where this data comes from
3 measurements from 1 monitoring station, 2017. Retrieved from British Columbia EnMoDS (not the EPA Water Quality Portal) on 2026-09-06.
Collected and reported by
- British Columbia Ministry of Environment and Parks
enmods-bc3 samples · 2017
Monitoring station identifiers (1)
0603102
Canadian lakes are published with the measurements their provincial programme reports, and without a LakeQuality A–F letter. The letter is scored against EPA reference conditions for a lake’s ecoregion, and the EPA does not survey these lakes. See how grades are calculated and data sources.