Upper Slade Reservoir Depth
Upper Slade Reservoir Depth in Devon and Cornwall, England has official water-quality measurements, not a LakeQuality A–F grade. Chlorophyll-a (algae): 11 µg/L.
Why Upper Slade Reservoir Depth has no A–F grade
Upper Slade Reservoir Depth 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).
Upper Slade Reservoir Depth is a lake in Devon and Cornwall County, England.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2024-02-16. 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 Upper Slade Reservoir Depth
These readings exist but do not meet the evidence bar for an A–F grade — see why.
No clarity data. Chlorophyll-a: 11 µg/L. Trophic State Index: 54.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | 11 µg/L | Not graded |
| Trophic State Index (TSI) | 54 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Upper Slade Reservoir Depth
Compare lakeside cabins, hotels, and vacation rentals near Upper Slade Reservoir Depth 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 Upper Slade Reservoir Depth
Frequently asked questions about Upper Slade Reservoir Depth
What is the water quality of Upper Slade Reservoir Depth?
- Upper Slade Reservoir Depth in Devon and Cornwall, England has official water-quality measurements, not a LakeQuality A–F grade. Chlorophyll-a (algae): 11 µg/L.
Is Upper Slade Reservoir Depth safe to swim in?
- Upper Slade Reservoir Depth 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
17 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-wqa17 samples · 2022–2024
Monitoring station identifiers (1)
SW-73110379
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: 2024-02-16
Monitoring stations: 1