Lake Kenosia
Fairfield County, ConnecticutView mapDirections
CT DEEP publishes the water-quality measurements for Lake Kenosia. Here is what has been measured.
- Eutrophic
- Impaired · Algal growth
- Public access
- Limited data
Lake Kenosia in Fairfield County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Phosphorus: 50 µg/L. Chlorophyll-a (algae): 17.4 µg/L.
Lake Kenosia is a productive, nutrient-rich eutrophic lake in Fairfield County, Connecticut. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 3 other monitored lakes in Fairfield County, Lake Kenosia ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2023-07-20. Methodology: how these readings are compared.
What Lake Kenosia is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
Readings onlyRecreation use not supported
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Lake Kenosia is listed impaired under Clean Water Act §303(d) (IR 4A) for algal growth, nuisance exotic species, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Lake Kenosia 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 Lake Kenosia
These are the measurements CT DEEP publishes for Lake Kenosia, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 50 µg/L. Chlorophyll-a 17.4 µg/L. TSI 60.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 50µg/L | Poor GoodFairPoor |
| Chlorophyll-a (algae) | 17.4µg/L | Measured, not scored 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. | 60 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Lake Kenosia
Answers come straight from the public measurements and survey records on this page.
Recreation & Access
- Lake KenosiaPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Lake Kenosia
Compare lakeside cabins, hotels, and vacation rentals near Lake Kenosia in Fairfield County, Connecticut — 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. The water-quality readings cover nutrients and algae, not lodging. Cabins and rentals around Lake Kenosia are listed below.
Top-rated places to stay near Lake Kenosia
Prices for Oct 9–11, 4 adults. Change dates on the map below.
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Follow Lake Kenosia’s readings
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Fishing Lake Kenosia
EPA Impairment Status
Lake Kenosia is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Recreation.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit CT6600-01-1-L3_01 · Official waterbody report
Nearby Lakes in Fairfield County
Frequently asked questions about Lake Kenosia
Where is Lake Kenosia?
- Lake Kenosia 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 Lake Kenosia?
- Lake Kenosia in Fairfield County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Phosphorus: 50 µg/L. Chlorophyll-a (algae): 17.4 µg/L.
Is Lake Kenosia safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Lake Kenosia is listed impaired under Clean Water Act §303(d) (IR 4A) for algal growth, nuisance exotic species, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Are there boat ramps on Lake Kenosia?
- Lake Kenosia has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lake Kenosia. Public access is listed as yes.
Can I fish at Lake Kenosia?
- Lake Kenosia has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Connecticut's fish and wildlife agency, so check its current regulations before you go.
Explore Lake Kenosia across LakeQuality
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Where this data comes from
10 measurements from 1 monitoring station, 2023. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- Connecticut Department Of Energy And Environmental Protection
CT_DEP01_WQX10 samples · 2023
Analytical methods
- Total Phosphorus After Block Digestion
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
- Nitrate-Nitrite Nitrogen by Colorimetry
- Turbidity by Nephelometry
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.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Named boat-access points from the USGS National Boat Ramps inventory