Hay-A-Park Lake
Hay-A-Park Lake in Yorkshire, England has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 170 µg/L.
Why Hay-A-Park Lake has no A–F grade
Hay-A-Park 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, but not water clarity and algae (chlorophyll-a).
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).
Hay-A-Park Lake is a lake in Yorkshire County, England.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2022-01-05. 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 Hay-A-Park Lake
These readings exist but do not meet the evidence bar for an A–F grade — see why.
No clarity data. Phosphorus level: 170 µg/L. Trophic State Index: 78.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 170 µg/L | Not graded |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 78 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Where to stay near Hay-A-Park Lake
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Fishing Hay-A-Park Lake
Frequently asked questions about Hay-A-Park Lake
What is the water quality of Hay-A-Park Lake?
- Hay-A-Park Lake in Yorkshire, England has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 170 µg/L.
Is Hay-A-Park Lake safe to swim in?
- Hay-A-Park 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
5 measurements from 1 monitoring station, 2021–2022. Retrieved from the Environment Agency (England; not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- Environment Agency (England)
ea-wqa5 samples · 2021–2022
Monitoring station identifiers (1)
NE-40000321
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: 2022-01-05
Monitoring stations: 1