Congamond Lakes
Hartford County, MassachusettsView mapDirections
MassDEP publishes the water-quality measurements for Congamond Lakes. Here is what has been measured.
- Eutrophic
- 47 ft max depth
- Public access
- Limited data
Congamond Lakes in Hartford County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Chlorophyll-a (algae): 19.4 µg/L.
Congamond Lakes is a productive, nutrient-rich eutrophic lake in Hartford County, Massachusetts with an estimated average depth of about 47 feet. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, MassDEP, last sampled 2016-09-14. Methodology: how these readings are compared.
What Congamond Lakes is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
Readings onlyLimited data
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. Check local advisories before you swim.
Whether Congamond Lakes is safe to swim in today is a call for the Massachusetts Department of Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Congamond Lakes
These are the measurements MassDEP publishes for Congamond Lakes, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Chlorophyll-a 19.4 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 | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | 19.4µg/L | Poor GoodFairPoor |
| 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 Congamond Lakes
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~47 ft est.
Public access
Yes
Listed by MassDEP
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Massachusetts has not published bathymetry for Congamond Lakes.
Lake Size & Watershed
Watershed (drainage) area
13 sq mi
HydroLAKES / HydroSHEDS
Surface area
395 acres
HydroLAKES / HydroSHEDS
Shoreline
6.5 mi
HydroLAKES / HydroSHEDS
Elevation
226 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
Recreation & Access
- Congamond Lakes (South Ramp)Public
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Congamond Lakes
Compare lakeside cabins, hotels, and vacation rentals near Congamond Lakes in Hartford County, Massachusetts — 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 Congamond Lakes are listed below.
Top-rated places to stay near Congamond Lakes
Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.
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Planning a trip? Cabins and lodging at Congamond Lakes → · more Massachusetts lake trips
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Fishing Congamond Lakes
Reservoir Info (USACE NID)
Congamond Lakes is a man-made reservoir impounded by the Congamond Lake Middle Pond Culvert Outlet on the Great Brook, 9 ft tall.
- Normal storage
- 1,350 ac-ft
- Max storage
- 5,105 ac-ft
- Hazard class
- Undetermined
- Owner
- Town of Southwick
Source: USACE National Inventory of Dams, NID ID MA00071 · Operator website · Matched by proximity (0.72 km)
Nearby Lakes in Hartford County
Frequently asked questions about Congamond Lakes
Where is Congamond Lakes?
- Congamond Lakes is a lake in Hartford County, Massachusetts. Its water-quality measurements are published by MassDEP and shown on this page as reported.
What is the water quality of Congamond Lakes?
- Congamond Lakes in Hartford County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Chlorophyll-a (algae): 19.4 µg/L.
Is Congamond Lakes safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Congamond Lakes?
- No published bathymetric survey covers Congamond Lakes, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 47 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.
Are there boat ramps on Congamond Lakes?
- Congamond Lakes has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Congamond Lakes (South Ramp). Public access is listed as yes.
Can I fish at Congamond Lakes?
- Congamond Lakes 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 Massachusetts's fish and wildlife agency, so check its current regulations before you go.
Explore Congamond Lakes across LakeQuality
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Where this data comes from
6 measurements from 2 monitoring stations, 2016. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Massachusetts Department of Environmental Protection (MassDEP)
MASSDEP6 samples · 2016
Analytical methods
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
Monitoring station identifiers (2)
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
Lake size & watershed from HydroLAKES (HydroSHEDS)
Named boat-access points from the USGS National Boat Ramps inventory