Big Bridge Bog Pond
Halifax, 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
Big Bridge Bog Pond in Halifax, 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: 8 µg/L.
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Why Big Bridge Bog Pond 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 Big Bridge Bog Pond 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.
Big Bridge Bog Pond is a lake in Halifax County, Nova Scotia.
Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 1984-12-17. 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 Big Bridge Bog Pond
These are the measurements NSECC publishes for Big Bridge Bog Pond. No A–F letter applies here: see why.
No clarity data. Phosphorus 8 µg/L. TSI 34.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 8 µg/L | Measured, not scored |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 34 | Oligotrophic |
Low nutrients, clear water. The letter is not a swimming clearance.
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Frequently asked questions about Big Bridge Bog Pond
Where is Big Bridge Bog Pond?
- Big Bridge Bog Pond is a lake in Halifax, 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 Big Bridge Bog Pond?
- Big Bridge Bog Pond in Halifax, 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: 8 µg/L.
Is Big Bridge Bog Pond safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
Explore Big Bridge Bog Pond across LakeQuality
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Where this data comes from
1 measurement from 1 monitoring station, 1984. Retrieved from Nova Scotia open data (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- Nova Scotia Environment and Climate Change
Nova Scotia Environment and Climate Change1 sample · 1984
Monitoring station identifiers (1)
261
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.