Doaneville Pond
New London County, ConnecticutView mapDirections
CT DEEP publishes the water-quality measurements for Doaneville Pond. Here is what has been measured.
- Public access
- Limited data
Doaneville Pond in New London County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Water clarity: 4.6 ft visibility.
Doaneville Pond is a lake in New London County, Connecticut. Limited fish-species data available. Public access is available.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2021-08-31. 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 Doaneville Pond 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 Doaneville Pond
These are the measurements CT DEEP publishes for Doaneville Pond, 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 4.6 ft. TSI 55.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 4.6ft | 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 Doaneville Pond
Answers come straight from the public measurements and survey records on this page.
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Fishing Doaneville Pond
Reservoir Info (USACE NID)
Doaneville Pond is a man-made reservoir impounded by the Rubber Pond Dam, built primarily for recreation on the Pachaug River Trib; masonry-type dam, 18 ft tall and 300 ft long.
- Normal storage
- 0 ac-ft
- Drainage area
- 1 sq mi
- Hazard class
- Significant
- Owner
- Button;Town of Griswold
Source: USACE National Inventory of Dams, NID ID CT00926 · Operator website · Matched by proximity (0.66 km)
Nearby Lakes in New London County
Frequently asked questions about Doaneville Pond
Where is Doaneville Pond?
- Doaneville Pond is a lake in New London County, Connecticut. Its water-quality measurements are published by CT DEEP and shown on this page as reported.
What is the water quality of Doaneville Pond?
- Doaneville Pond in New London County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Water clarity: 4.6 ft visibility.
Is Doaneville Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Can I fish at Doaneville Pond?
- Public access to Doaneville Pond is listed as yes on the lake record. 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.
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Where this data comes from
2 measurements from 1 monitoring station, 2021. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- North American Lake Management Society
NALMS2 samples · 2021
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.