Stodmarsh Nature Reserve Pool
Stodmarsh Nature Reserve Pool in Kent and South London, England has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 720 µg/L. Chlorophyll-a (algae): 55.1 µg/L.
Why Stodmarsh Nature Reserve Pool has no A–F grade
Stodmarsh Nature Reserve Pool 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).
Stodmarsh Nature Reserve Pool is a lake in Kent and South London County, England.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2026-07-02. 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 Stodmarsh Nature Reserve Pool
These readings exist but do not meet the evidence bar for an A–F grade — see why.
No clarity data. Phosphorus level: 720 µg/L. Chlorophyll-a: 55.1 µg/L. Trophic State Index: 84.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 720 µg/L | Not graded |
| Chlorophyll-a (Algae) | 55.1 µg/L | Not graded |
| Trophic State Index (TSI) | 84 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Where to stay near Stodmarsh Nature Reserve Pool
Compare lakeside cabins, hotels, and vacation rentals near Stodmarsh Nature Reserve Pool in Kent and South London, 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 Stodmarsh Nature Reserve Pool
Frequently asked questions about Stodmarsh Nature Reserve Pool
What is the water quality of Stodmarsh Nature Reserve Pool?
- Stodmarsh Nature Reserve Pool in Kent and South London, England has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 720 µg/L. Chlorophyll-a (algae): 55.1 µg/L.
Is Stodmarsh Nature Reserve Pool safe to swim in?
- Stodmarsh Nature Reserve Pool 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 Stodmarsh Nature Reserve Pool across LakeGrade
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Where this data comes from
45 measurements from 1 monitoring station, 2017–2026. Retrieved from the Environment Agency (England; not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- Environment Agency (England)
ea-wqa45 samples · 2017–2026
Monitoring station identifiers (1)
SO-E0004734
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: 2026-07-02
Monitoring stations: 1