Glasgo Pond
New London County, Connecticut184 acresView mapDirections
CT DEEP publishes the water-quality measurements for Glasgo Pond. Here is what has been measured.
- Public access
- Limited data
Glasgo Pond in New London County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Water clarity: 5.9 ft visibility. Surface area: 184.2 acres.
Glasgo Pond is a 184-acre lake in New London County, Connecticut. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2021-08-31. Methodology: how these readings are compared.
What Glasgo Pond is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Glasgo 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 Glasgo Pond
These are the measurements CT DEEP publishes for Glasgo 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 5.9 ft. TSI 52.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 5.9ft | 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. | 52 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Glasgo Pond
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
184 acres
Public access
Yes
Listed by CT DEEP
No bathymetric survey has been published for Glasgo Pond, so its depth is not documented here.
Recreation & Access
- Glasgo PondPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
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Stays near Glasgo Pond
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Fishing Glasgo Pond
Reservoir Info (USACE NID)
Glasgo Pond is a man-made reservoir impounded by the Glasgo Pond Dam (completed 1860), built primarily for recreation on the Pachaug River; masonry-type dam, 26 ft tall and 375 ft long.
- Surface area
- 184.2 ac
- Normal storage
- 2,208 ac-ft
- Drainage area
- 37.8 sq mi
- Hazard class
- High
- Owner
- Connecticut DEEP
Source: USACE National Inventory of Dams, NID ID CT00084 · Operator website
Nearby Lakes in New London County
Frequently asked questions about Glasgo Pond
Where is Glasgo Pond?
- Glasgo 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 Glasgo Pond?
- Glasgo Pond in New London County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Water clarity: 5.9 ft visibility. Surface area: 184.2 acres.
Is Glasgo Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Glasgo Pond?
- Glasgo Pond has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Glasgo Pond. Public access is listed as yes.
Can I fish at Glasgo Pond?
- Glasgo Pond 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 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.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory