Stithians Reservoir Sampling Buoy
Stithians Reservoir Sampling Buoy in Devon and Cornwall, England has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 16.6 µg/L. Chlorophyll-a (algae): 17.4 µg/L.
Why Stithians Reservoir Sampling Buoy has no A–F grade
Stithians Reservoir Sampling Buoy 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).
Stithians Reservoir Sampling Buoy is a lake in Devon and Cornwall County, England.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2020-03-06. 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 Stithians Reservoir Sampling Buoy
These readings exist but do not meet the evidence bar for an A–F grade — see why.
No clarity data. Phosphorus level: 16.6 µg/L. Chlorophyll-a: 17.4 µg/L. Trophic State Index: 52.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 16.6 µg/L | Not graded |
| Chlorophyll-a (Algae) | 17.4 µg/L | Not graded |
| Trophic State Index (TSI) | 52 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Stithians Reservoir Sampling Buoy
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Fishing Stithians Reservoir Sampling Buoy
Frequently asked questions about Stithians Reservoir Sampling Buoy
What is the water quality of Stithians Reservoir Sampling Buoy?
- Stithians Reservoir Sampling Buoy in Devon and Cornwall, England has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 16.6 µg/L. Chlorophyll-a (algae): 17.4 µg/L.
Is Stithians Reservoir Sampling Buoy safe to swim in?
- Stithians Reservoir Sampling Buoy 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
102 measurements from 1 monitoring station, 2016–2020. Retrieved from the Environment Agency (England; not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- Environment Agency (England)
ea-wqa102 samples · 2016–2020
Monitoring station identifiers (1)
SW-81951590
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: 2020-03-06
Monitoring stations: 1