Ham Common Pond
Ham Common Pond in Wessex, England has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 21 µg/L. Chlorophyll-a (algae): 5.9 µg/L.
Why Ham Common Pond has no A–F grade
Ham Common Pond in England is published with the authority's own measurements, not a LakeQuality letter. official authority class; not a LakeQuality A–F letter Sampling here has recorded phosphorus and algae (chlorophyll-a), but not water clarity.
A letter on the LakeQuality scale would be an invention, not an official class. Everything below that has been measured is still reported on this page.
Monitoring: the Environment Agency (England).
Ham Common Pond is a lake in Wessex County, England.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2026-06-29. Grade methodology: LakeGrade methodology.
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Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Ham Common Pond
These readings exist but do not meet the evidence bar for an A–F grade — see why.
No clarity data. Phosphorus level: 21 µg/L. Chlorophyll-a: 5.9 µg/L. Trophic State Index: 48.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 21 µg/L | Not graded |
| Chlorophyll-a (Algae) | 5.9 µg/L | Not graded |
| Trophic State Index (TSI) | 48 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Ham Common Pond
Compare lakeside cabins, hotels, and vacation rentals near Ham Common Pond in Wessex, England — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
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Fishing Ham Common Pond
Frequently asked questions about Ham Common Pond
What is the water quality of Ham Common Pond?
- Ham Common Pond in Wessex, England has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 21 µg/L. Chlorophyll-a (algae): 5.9 µg/L.
Is Ham Common Pond safe to swim in?
- Ham Common Pond has official nutrient and clarity measurements, not a bacteria swim class and not a safety clearance. Algal blooms, currents, and depth are not covered. Always check local notices before swimming.
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Where this data comes from
53 measurements from 1 monitoring station, 2024–2026. Retrieved from the Environment Agency (England; not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- Environment Agency (England)
ea-wqa53 samples · 2024–2026
Monitoring station identifiers (1)
SW-LSN0030
Authority classifications are stored separately from LakeQuality A–F letters and are never blended. See methodology and data sources.
Data Sources
Water quality data from the EPA Water Quality Portal
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion
Most recent sample: 2026-06-29
Monitoring stations: 1