Roughgrounds Lake South Corner
Roughgrounds Lake South Corner in West Thames, England has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 102.5 µg/L. Chlorophyll-a (algae): 35.5 µg/L.
Why Roughgrounds Lake South Corner has no A–F grade
Roughgrounds Lake South Corner 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).
Roughgrounds Lake South Corner is a lake in West Thames County, England.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2026-07-09. 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 Roughgrounds Lake South Corner
These readings exist but do not meet the evidence bar for an A–F grade — see why.
No clarity data. Phosphorus level: 102.5 µg/L. Chlorophyll-a: 35.5 µg/L. Trophic State Index: 68.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 102.5 µg/L | Not graded |
| Chlorophyll-a (Algae) | 35.5 µg/L | Not graded |
| Trophic State Index (TSI) | 68 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Roughgrounds Lake South Corner
Compare lakeside cabins, hotels, and vacation rentals near Roughgrounds Lake South Corner in West Thames, 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.
Top-rated places to stay near Roughgrounds Lake South Corner
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Fishing Roughgrounds Lake South Corner
Frequently asked questions about Roughgrounds Lake South Corner
What is the water quality of Roughgrounds Lake South Corner?
- Roughgrounds Lake South Corner in West Thames, England has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 102.5 µg/L. Chlorophyll-a (algae): 35.5 µg/L.
Is Roughgrounds Lake South Corner safe to swim in?
- Roughgrounds Lake South Corner 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.
Explore Roughgrounds Lake South Corner across LakeGrade
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Where this data comes from
8 measurements from 1 monitoring station, 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-wqa8 samples · 2026
Monitoring station identifiers (1)
TH-LSN0205
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: 2026-07-09
Monitoring stations: 1