Ponhook Lake
Queens, Nova ScotiaView 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
Ponhook Lake in Queens, Nova Scotia has water-quality measurements published by NSECC and no A–F letter. The letter's EPA reference conditions stop at the US border. Phosphorus: 10 µg/L.
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Why Ponhook 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 Nova Scotia, so the scale cannot be applied to Ponhook Lake at any level of sampling. Sampling here has recorded phosphorus, but not water clarity and algae (chlorophyll-a).
This is not a gap in the monitoring record. NSECC publishes these measurements directly, and everything below that has been measured is reported on this page as NSECC reports it.
Monitoring: Nova Scotia Environment and Climate Change. Read the full grading methodology.
Ponhook Lake is a lake in Queens County, Nova Scotia.
Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 2007-11-22. 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 Ponhook Lake
These are the measurements NSECC publishes for Ponhook Lake. No A–F letter applies here: see why.
No clarity data. Phosphorus 10 µg/L. TSI 37.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 10 µg/L | Measured, not scored |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 37 | Oligotrophic |
Low nutrients, clear water. The letter is not a swimming clearance.
Fishing Ponhook Lake
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Frequently asked questions about Ponhook Lake
Where is Ponhook Lake?
- Ponhook Lake is a lake in Queens, Nova Scotia. Its water-quality measurements are published by NSECC, 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 Ponhook Lake?
- Ponhook Lake in Queens, Nova Scotia has water-quality measurements published by NSECC and no A–F letter. The letter's EPA reference conditions stop at the US border. Phosphorus: 10 µg/L.
Is Ponhook Lake safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
Explore Ponhook Lake across LakeQuality
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Where this data comes from
1 measurement from 1 monitoring station, 2007. Retrieved from Nova Scotia open data (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- NSDFA
NSDFA1 sample · 2007
Monitoring station identifiers (1)
21
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.