Fox Hill Lake
Fairfield County, ConnecticutView mapDirections
CT DEEP publishes the water-quality measurements for Fox Hill Lake. Here is what has been measured.
- Limited data
Fox Hill Lake in Fairfield County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Water clarity: 3.5 ft visibility.
Fox Hill Lake is a lake in Fairfield County, Connecticut.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2024-06-25. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Fox Hill Lake is safe to swim in today is a call for the Connecticut Department of Energy and Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Fox Hill Lake
These are the measurements CT DEEP publishes for Fox Hill Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 3.5 ft. TSI 59.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 3.5ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 59 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
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Fishing Fox Hill Lake
Nearby Lakes in Fairfield County
Frequently asked questions about Fox Hill Lake
Where is Fox Hill Lake?
- Fox Hill Lake is a lake in Fairfield County, Connecticut. Its water-quality measurements are published by CT DEEP and shown on this page as reported.
What is the water quality of Fox Hill Lake?
- Fox Hill Lake in Fairfield County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Water clarity: 3.5 ft visibility.
Is Fox Hill Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
3 measurements from 1 monitoring station, 2024. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- North American Lake Management Society
NALMS3 samples · 2024
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.