Silver Lake
Hartford County, Connecticut151 acresView mapDirections
CT DEEP publishes the water-quality measurements for Silver Lake. Here is what has been measured.
- Impaired · Nutrients (phosphorus, nitrogen)
- Limited data
Silver Lake in Hartford County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Water clarity: 4.4 ft visibility. Surface area: 151 acres.
Silver Lake is a 151-acre lake in Hartford County, Connecticut.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2024-06-28. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Silver Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen), turbidity. Check local advisories before you swim.
Whether Silver 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 Silver Lake
These are the measurements CT DEEP publishes for Silver 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 4.4 ft. TSI 56.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 4.4ft | 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. | 56 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Silver Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
151 acres
No bathymetric survey has been published for Silver Lake, so its depth is not documented here.
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Fishing Silver Lake
Reservoir Info (USACE NID)
Silver Lake is a man-made reservoir impounded by the Silver Lake Dam (completed 1920), built primarily for recreation on the Belcher Brook; earth-type dam, 15 ft tall and 140 ft long.
- Surface area
- 151 ac
- Normal storage
- 1,480 ac-ft
- Max storage
- 1,480 ac-ft
- Drainage area
- 2 sq mi
- Hazard class
- High
- Owner
- Connecticut DEEP
Source: USACE National Inventory of Dams, NID ID CT00254 · Operator website
EPA Impairment Status
Silver Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Aquatic life.
Source: EPA ATTAINS assessment unit CT4601-00-1-L2_01 · Official waterbody report
Nearby Lakes in Hartford County
Frequently asked questions about Silver Lake
Where is Silver Lake?
- Silver Lake is a lake in Hartford County, Connecticut. Its water-quality measurements are published by CT DEEP and shown on this page as reported.
What is the water quality of Silver Lake?
- Silver Lake in Hartford County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Water clarity: 4.4 ft visibility. Surface area: 151 acres.
Is Silver Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Silver Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen), turbidity. 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
- CT DEEP Volunteer Water Monitoring Program (Volunteer)
CTVOLMON3 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.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database