Wolterton Hall Lake
Wolterton Hall Lake in Essex Norfolk and Suffolk, England has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 16 µg/L. Chlorophyll-a (algae): 3.1 µg/L.
Why Wolterton Hall Lake has no A–F grade
Wolterton Hall 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).
Wolterton Hall Lake is a lake in Essex Norfolk and Suffolk County, England.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2026-07-15. 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 Wolterton Hall Lake
These readings exist but do not meet the evidence bar for an A–F grade — see why.
No clarity data. Phosphorus level: 16 µg/L. Chlorophyll-a: 3.1 µg/L. Trophic State Index: 43.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 16 µg/L | Not graded |
| Chlorophyll-a (Algae) | 3.1 µg/L | Not graded |
| Trophic State Index (TSI) | 43 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Wolterton Hall Lake
Compare lakeside cabins, hotels, and vacation rentals near Wolterton Hall Lake in Essex Norfolk and Suffolk, 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 Wolterton Hall Lake
Frequently asked questions about Wolterton Hall Lake
What is the water quality of Wolterton Hall Lake?
- Wolterton Hall Lake in Essex Norfolk and Suffolk, England has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 16 µg/L. Chlorophyll-a (algae): 3.1 µg/L.
Is Wolterton Hall Lake safe to swim in?
- Wolterton Hall 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
7 measurements from 1 monitoring station, 2026. Retrieved from the Environment Agency (England; not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- Environment Agency (England)
ea-wqa7 samples · 2026
Monitoring station identifiers (1)
AN-LSN0391
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: 2026-07-15
Monitoring stations: 1