Francis Lake
Harrison 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
Francis Lake in Harrison 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. Phosphorus: 4.3 µg/L. Chlorophyll-a (algae): 1.1 µg/L.
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Why Francis 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 Francis Lake at any level of sampling. Sampling here has recorded phosphorus and algae (chlorophyll-a), but not water clarity.
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.
Francis Lake is a lake in Harrison River County, British Columbia.
Source: the British Columbia Ministry of Environment and Parks — not the EPA Water Quality Portal, last sampled 2018-05-22. Grade methodology: LakeQuality methodology.
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Check local advisories before you swim.
Water quality measurements for Francis Lake
These are the measurements ENV publishes for Francis Lake. No A–F letter applies here: see why.
No clarity data. Phosphorus 4.3 µg/L. Chlorophyll-a 1.1 µg/L. TSI 28.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 4.3 µg/L | Measured, not scored |
| Chlorophyll-a (Algae) | 1.1 µg/L | Measured, not scored |
| Trophic State Index (TSI) | 28 | Oligotrophic |
Low nutrients, clear water. The letter is not a swimming clearance.
Fishing Francis Lake
Nearby Lakes in Harrison River
Frequently asked questions about Francis Lake
Where is Francis Lake?
- Francis Lake is a lake in Harrison 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 Francis Lake?
- Francis Lake in Harrison 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. Phosphorus: 4.3 µg/L. Chlorophyll-a (algae): 1.1 µg/L.
Is Francis Lake safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
Explore Francis Lake across LakeQuality
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Where this data comes from
2 measurements from 1 monitoring station, 2018. 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-bc2 samples · 2018
Monitoring station identifiers (1)
E312468
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.