Lake Terramuggus
Hartford County, Connecticut83 acresView mapDirections
CT DEEP publishes the water-quality measurements for Lake Terramuggus. Here is what has been measured.
- Mesotrophic
- Limited data
Lake Terramuggus in Hartford County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Phosphorus: 31 µg/L. Chlorophyll-a (algae): 0.9 µg/L. Surface area: 83 acres.
Lake Terramuggus is a 83-acre mesotrophic lake in Hartford County, Connecticut. Compared to the 3 other monitored lakes in Hartford County, Lake Terramuggus ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2023-07-25. Methodology: how these readings are compared.
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 Lake Terramuggus 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 Lake Terramuggus
These are the measurements CT DEEP publishes for Lake Terramuggus, 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 31 µg/L. Chlorophyll-a 0.9 µg/L. TSI 42.
| 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 | 31µg/L | Poor GoodFairPoor |
| Chlorophyll-a (algae) | 0.9µg/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. | 42 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Lake Terramuggus
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
83 acres
No bathymetric survey has been published for Lake Terramuggus, so its depth is not documented here.
Stays via Stay22
Stays near Lake Terramuggus
Compare lakeside cabins, hotels, and vacation rentals near Lake Terramuggus in Hartford County, Connecticut — 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 Lake Terramuggus are listed below.
Top-rated places to stay near Lake Terramuggus
Prices for Oct 9–11, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Follow Lake Terramuggus’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Lake Terramuggus
Reservoir Info (USACE NID)
Lake Terramuggus is a man-made reservoir impounded by the Lake Terramuggas Dam, built primarily for recreation on the Dickinson Creek Trib; earth-type dam, 5 ft tall and 800 ft long.
- Surface area
- 83 ac
- Normal storage
- 0 ac-ft
- Hazard class
- Significant
- Owner
- Town of Marlborough
Source: USACE National Inventory of Dams, NID ID CT01833 · Operator website · Matched by proximity (0.86 km)
Nearby Lakes in Hartford County
Frequently asked questions about Lake Terramuggus
Where is Lake Terramuggus?
- Lake Terramuggus 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 Lake Terramuggus?
- Lake Terramuggus in Hartford County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Phosphorus: 31 µg/L. Chlorophyll-a (algae): 0.9 µg/L. Surface area: 83 acres.
Is Lake Terramuggus safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Lake Terramuggus across LakeQuality
More lakes in Connecticut
Other Lakes in Connecticut
Mesotrophic Lakes in Connecticut
Where this data comes from
10 measurements from 1 monitoring station, 2023. 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 · 2023
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.