Virginia Water
Virginia Water in West Thames, England has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 37.6 µg/L. Chlorophyll-a (algae): 5.4 µg/L.
Why Virginia Water has no A–F grade
Virginia Water 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).
Virginia Water is a lake in West Thames County, England.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2024-03-05. 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 Virginia Water
These readings exist but do not meet the evidence bar for an A–F grade — see why.
No clarity data. Phosphorus level: 37.6 µg/L. Chlorophyll-a: 5.4 µg/L. Trophic State Index: 52.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 37.6 µg/L | Not graded |
| Chlorophyll-a (Algae) | 5.4 µg/L | Not graded |
| Trophic State Index (TSI) | 52 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Virginia Water
Compare lakeside cabins, hotels, and vacation rentals near Virginia Water 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.
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Fishing Virginia Water
Frequently asked questions about Virginia Water
What is the water quality of Virginia Water?
- Virginia Water in West Thames, England has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 37.6 µg/L. Chlorophyll-a (algae): 5.4 µg/L.
Is Virginia Water safe to swim in?
- Virginia Water 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
155 measurements from 1 monitoring station, 2016–2024. Retrieved from the Environment Agency (England; not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- Environment Agency (England)
ea-wqa155 samples · 2016–2024
Monitoring station identifiers (1)
TH-PGWL0094
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: 2024-03-05
Monitoring stations: 1