Mount Tom Pond
Litchfield County, ConnecticutView mapDirections
CT DEEP publishes the water-quality measurements for Mount Tom Pond. Here is what has been measured.
- Eutrophic
- Limited data
Mount Tom Pond in Litchfield County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Phosphorus: 31 µg/L. Chlorophyll-a (algae): 5.5 µg/L.
Mount Tom Pond is a productive, nutrient-rich eutrophic lake in Litchfield County, Connecticut. Compared to the 11 other monitored lakes in Litchfield County, Mount Tom Pond ranks #12 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2023-08-01. Methodology: how these readings are compared.
What Mount Tom Pond is good for
From access and monitoring records, not editorial picks.
- Camping1 public campground nearby
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 Mount Tom 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 Mount Tom Pond
These are the measurements CT DEEP publishes for Mount Tom 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 31 µg/L. Chlorophyll-a 5.5 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 | 31µg/L | Poor GoodFairPoor |
| Chlorophyll-a (algae) | 5.5µg/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 Mount Tom Pond
Answers come straight from the public measurements and survey records on this page.
Recreation & Access
Public campgrounds near Mount Tom Pond
- Cozy Hills Campground2.0 km
Nearest public campgrounds in the USGS National Map inventory, within about 3 miles. An empty list means USGS records no campground that close, which is not the same as camping being unavailable. Where the source gives an official reservation link, it is used; the cabin and hotel search does not cover campsites. More camping lakes
Stays via Stay22
Stays near Mount Tom Pond
Compare lakeside cabins, hotels, and vacation rentals near Mount Tom Pond in Litchfield 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 Mount Tom Pond are listed below.
Top-rated places to stay near Mount Tom Pond
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Fishing Mount Tom Pond
Nearby Lakes in Litchfield County
Frequently asked questions about Mount Tom Pond
Where is Mount Tom Pond?
- Mount Tom Pond is a lake in Litchfield County, Connecticut. Its water-quality measurements are published by CT DEEP and shown on this page as reported.
What is the water quality of Mount Tom Pond?
- Mount Tom Pond in Litchfield County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Phosphorus: 31 µg/L. Chlorophyll-a (algae): 5.5 µg/L.
Is Mount Tom Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there campgrounds on Mount Tom Pond?
- Mount Tom Pond has 1 public campground from USGS The National Map within 5 km, including Cozy Hills Campground. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.
Explore Mount Tom Pond across LakeQuality
More lakes in Connecticut
Other Lakes in Connecticut
Eutrophic 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.
Other records on this page
Public campgrounds from USGS The National Map Structures, within about 3 miles