Venford Brook Lake
Venford Brook Lake in Devon and Cornwall, England has official water-quality measurements, not a LakeQuality A–F grade. Chlorophyll-a (algae): 5.4 µg/L.
Why Venford Brook Lake has no A–F grade
Venford Brook Lake 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 algae (chlorophyll-a), but not water clarity and phosphorus.
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).
Venford Brook Lake is a lake in Devon and Cornwall County, England.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2024-03-27. 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 Venford Brook Lake
These readings exist but do not meet the evidence bar for an A–F grade — see why.
No clarity data. Chlorophyll-a: 5.4 µg/L. Trophic State Index: 47.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | 5.4 µg/L | Not graded |
| Trophic State Index (TSI) | 47 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Venford Brook Lake
Compare lakeside cabins, hotels, and vacation rentals near Venford Brook Lake in Devon and Cornwall, 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 Venford Brook Lake
Frequently asked questions about Venford Brook Lake
What is the water quality of Venford Brook Lake?
- Venford Brook Lake in Devon and Cornwall, England has official water-quality measurements, not a LakeQuality A–F grade. Chlorophyll-a (algae): 5.4 µg/L.
Is Venford Brook Lake safe to swim in?
- Venford Brook Lake 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
25 measurements from 1 monitoring station, 2022–2024. Retrieved from the Environment Agency (England; not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- Environment Agency (England)
ea-wqa25 samples · 2022–2024
Monitoring station identifiers (1)
SW-70724052
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: 2024-03-27
Monitoring stations: 1