Stickle Tarn
Stickle Tarn in Cumbria and Lancashire, England has official water-quality measurements, not a LakeQuality A–F grade. Chlorophyll-a (algae): 1.8 µg/L.
Why Stickle Tarn has no A–F grade
Stickle Tarn 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).
Stickle Tarn is a lake in Cumbria and Lancashire County, England.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2026-05-12. 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 Stickle Tarn
These readings exist but do not meet the evidence bar for an A–F grade — see why.
No clarity data. Chlorophyll-a: 1.8 µg/L. Trophic State Index: 36.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | 1.8 µg/L | Not graded |
| Trophic State Index (TSI) | 36 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Stickle Tarn
Compare lakeside cabins, hotels, and vacation rentals near Stickle Tarn in Cumbria and Lancashire, 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 Stickle Tarn
Frequently asked questions about Stickle Tarn
What is the water quality of Stickle Tarn?
- Stickle Tarn in Cumbria and Lancashire, England has official water-quality measurements, not a LakeQuality A–F grade. Chlorophyll-a (algae): 1.8 µg/L.
Is Stickle Tarn safe to swim in?
- Stickle Tarn 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
1 measurement 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-wqa1 sample · 2026
Monitoring station identifiers (1)
NW-LSN0464
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: 2026-05-12
Monitoring stations: 1