Lough Fea
Lough Fea in Northern Ireland, Northern Ireland has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 20 µg/L.
Why Lough Fea has no A–F grade
Lough Fea in Northern Ireland 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 Northern Ireland Environment Agency (DAERA).
Lough Fea is a lake in Northern Ireland County, Northern Ireland.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2024-12-02. 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 Lough Fea
These readings exist but do not meet the evidence bar for an A–F grade — see why.
No clarity data. Phosphorus level: 20 µg/L. Trophic State Index: 47.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 20 µg/L | Not graded |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 47 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Lough Fea
Compare lakeside cabins, hotels, and vacation rentals near Lough Fea in Northern Ireland, Northern Ireland — 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.
Top-rated places to stay near Lough Fea
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Fishing Lough Fea
Frequently asked questions about Lough Fea
What is the water quality of Lough Fea?
- Lough Fea in Northern Ireland, Northern Ireland has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 20 µg/L.
Is Lough Fea safe to swim in?
- Lough Fea 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 Lough Fea across LakeGrade
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Where this data comes from
83 measurements from 1 monitoring station, 2016–2024. Retrieved from the Northern Ireland Environment Agency (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- Department of Agriculture, Environment and Rural Affairs (Northern Ireland)
daera-ni83 samples · 2016–2024
Analytical methods
- DAERA NIEA lake nutrient monitoring
Monitoring station identifiers (1)
10927
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: 2024-12-02
Monitoring stations: 1