Yarrow Reservoir Rivington Catchment Dip
Yarrow Reservoir Rivington Catchment Dip in Cumbria and Lancashire, England has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 22.3 µg/L. Chlorophyll-a (algae): 4.1 µg/L.
Why Yarrow Reservoir Rivington Catchment Dip has no A–F grade
Yarrow Reservoir Rivington Catchment Dip 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).
Yarrow Reservoir Rivington Catchment Dip is a lake in Cumbria and Lancashire County, England.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2020-01-24. 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 Yarrow Reservoir Rivington Catchment Dip
These readings exist but do not meet the evidence bar for an A–F grade — see why.
No clarity data. Phosphorus level: 22.3 µg/L. Chlorophyll-a: 4.1 µg/L. Trophic State Index: 47.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 22.3 µg/L | Not graded |
| Chlorophyll-a (Algae) | 4.1 µg/L | Not graded |
| Trophic State Index (TSI) | 47 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Yarrow Reservoir Rivington Catchment Dip
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Fishing Yarrow Reservoir Rivington Catchment Dip
Frequently asked questions about Yarrow Reservoir Rivington Catchment Dip
What is the water quality of Yarrow Reservoir Rivington Catchment Dip?
- Yarrow Reservoir Rivington Catchment Dip in Cumbria and Lancashire, England has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 22.3 µg/L. Chlorophyll-a (algae): 4.1 µg/L.
Is Yarrow Reservoir Rivington Catchment Dip safe to swim in?
- Yarrow Reservoir Rivington Catchment Dip 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
33 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-wqa33 samples · 2016–2020
Monitoring station identifiers (1)
NW-88015168
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: 2020-01-24
Monitoring stations: 1