Green Lake
Green Lake, 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
Green Lake in Green Lake, 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: 6.9 m visibility. Phosphorus: 5 µg/L. Chlorophyll-a (algae): 1.6 µg/L.
- Clarity
- 6.9 m
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Why Green 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 Green 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.
Green Lake is a lake in Green Lake County, British Columbia.
Source: the British Columbia Ministry of Environment and Parks — not the EPA Water Quality Portal, last sampled 2017-10-12. Grade methodology: LakeQuality methodology.
What Green Lake is good for
From access and monitoring records, not editorial picks.
- Clear water22.5 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 Green Lake
These are the measurements ENV publishes for Green Lake. No A–F letter applies here: see why.
Crystal clear, you can see 22.5 ft down. Phosphorus 5 µg/L. Chlorophyll-a 1.6 µg/L. TSI 32.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 6.85 m | Measured, not scored |
| Phosphorus | 5 µg/L | Measured, not scored |
| Chlorophyll-a (Algae) | 1.6 µg/L | Measured, not scored |
| Trophic State Index (TSI) | 32 | Oligotrophic |
Low nutrients, clear water. The letter is not a swimming clearance.
Fishing Green Lake
Nearby Lakes in Green Lake
Frequently asked questions about Green Lake
Where is Green Lake?
- Green Lake is a lake in Green Lake, 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 Green Lake?
- Green Lake in Green Lake, 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: 6.9 m visibility. Phosphorus: 5 µg/L. Chlorophyll-a (algae): 1.6 µg/L.
Is Green Lake safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
Explore Green Lake across LakeQuality
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Where this data comes from
6 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-bc6 samples · 2017
Monitoring station identifiers (1)
0603063
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.