Hitchcock Lake
New Haven County, Connecticut61 acresView mapDirections
CT DEEP publishes the water-quality measurements for Hitchcock Lake. Here is what has been measured.
- Limited data
Hitchcock Lake in New Haven County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Water clarity: 4.8 ft visibility. Surface area: 61 acres.
Hitchcock Lake is a 61-acre lake in New Haven County, Connecticut.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2025-10-05. 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 Hitchcock 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 Hitchcock Lake
These are the measurements CT DEEP publishes for Hitchcock 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 4.8 ft. TSI 55.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 4.8ft | 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. | 55 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Hitchcock Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
61 acres
No bathymetric survey has been published for Hitchcock Lake, so its depth is not documented here.
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Fishing Hitchcock Lake
Reservoir Info (USACE NID)
Hitchcock Lake is a man-made reservoir impounded by the Hitchcock Lake Central Ave Dam (completed 1868), built primarily for recreation on the North Lake Hitchcock Lake, 8 ft tall and 450 ft long.
- Surface area
- 61 ac
- Normal storage
- 0 ac-ft
- Drainage area
- 0.25 sq mi
- Hazard class
- High
- Owner
- Town of Wolcott
Source: USACE National Inventory of Dams, NID ID CT00297 · Operator website
Nearby Lakes in New Haven County
Frequently asked questions about Hitchcock Lake
Where is Hitchcock Lake?
- Hitchcock Lake is a lake in New Haven County, Connecticut. Its water-quality measurements are published by CT DEEP and shown on this page as reported.
What is the water quality of Hitchcock Lake?
- Hitchcock Lake in New Haven County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Water clarity: 4.8 ft visibility. Surface area: 61 acres.
Is Hitchcock 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
87 measurements from 3 monitoring stations, 2024–2025. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- CT DEEP Volunteer Water Monitoring Program (Volunteer)
CTVOLMON58 samples · 2024–2025 - North American Lake Management Society
NALMS29 samples · 2024–2025
Monitoring station identifiers (3)
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.