Clumber Lake
Clumber Lake in Derbys Notts and Leics, England has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 114 µg/L. Chlorophyll-a (algae): 7 µg/L.
Why Clumber Lake has no A–F grade
Clumber 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 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).
Clumber Lake is a lake in Derbys Notts and Leics County, England.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2020-03-13. Grade methodology: LakeGrade methodology.
Watch Clumber Lake water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Clumber Lake
These readings exist but do not meet the evidence bar for an A–F grade — see why.
No clarity data. Phosphorus level: 114 µg/L. Chlorophyll-a: 7 µg/L. Trophic State Index: 61.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 114 µg/L | Not graded |
| Chlorophyll-a (Algae) | 7 µg/L | Not graded |
| Trophic State Index (TSI) | 61 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Clumber Lake
Compare lakeside cabins, hotels, and vacation rentals near Clumber Lake in Derbys Notts and Leics, 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 Clumber Lake
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Fishing Clumber Lake
Frequently asked questions about Clumber Lake
What is the water quality of Clumber Lake?
- Clumber Lake in Derbys Notts and Leics, England has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 114 µg/L. Chlorophyll-a (algae): 7 µg/L.
Is Clumber Lake safe to swim in?
- Clumber 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.
Explore Clumber Lake across LakeGrade
More lakes in England
Where this data comes from
34 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-wqa34 samples · 2016–2020
Monitoring station identifiers (1)
MD-39323150
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: 2020-03-13
Monitoring stations: 1