Andersons Pond
New London County, Connecticut54 acresView mapDirections
CT DEEP publishes the water-quality measurements for Andersons Pond. Here is what has been measured.
- Public access
- Limited data
Andersons Pond in New London County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Phosphorus: 32 µg/L. Chlorophyll-a (algae): 5.1 µg/L. Surface area: 54.3 acres.
Andersons Pond is a 54-acre 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 2024-07-11. 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 Andersons 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 Andersons Pond
These are the measurements CT DEEP publishes for Andersons Pond, 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 32 µg/L. Chlorophyll-a 5.1 µg/L. TSI 50.
| 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 | 32µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 5.1µg/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. | 50 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Andersons Pond
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
54 acres
Public access
Yes
Listed by CT DEEP
No bathymetric survey has been published for Andersons Pond, so its depth is not documented here.
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Fishing Andersons Pond
Reservoir Info (USACE NID)
Andersons Pond is a man-made reservoir impounded by the Blue Lake Dam (completed 1900), built primarily for recreation on the Ashwillet Brook; earth-type dam, 10 ft tall and 135 ft long.
- Surface area
- 54.3 ac
- Normal storage
- 243 ac-ft
- Max storage
- 243 ac-ft
- Drainage area
- 1.52 sq mi
- Hazard class
- Significant
- Owner
- Blue Lake, LLC.
Source: USACE National Inventory of Dams, NID ID CT00574 · Operator website · Matched by proximity (0.49 km)
Nearby Lakes in New London County
Frequently asked questions about Andersons Pond
Where is Andersons Pond?
- Andersons 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 Andersons Pond?
- Andersons Pond in New London County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Phosphorus: 32 µg/L. Chlorophyll-a (algae): 5.1 µg/L. Surface area: 54.3 acres.
Is Andersons Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Can I fish at Andersons Pond?
- Public access to Andersons 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
10 measurements from 1 monitoring station, 2024. 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 · 2024
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.