Galway Lake is a 564-acre mesotrophic lake in Saratoga County, New York. Water quality is graded B based on 1 sampling years through 2020. Compared to the 4 other monitored lakes in Saratoga County, Galway Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, New York DNR, last sampled 2020-09-27. Grade methodology: LakeGrade methodology.
Watch Galway Lake water quality
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Good clarity, visible to about 10.7 ft. Trophic State Index: 43.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 10.7 ft | B |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 43 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 564 acres |
Where to stay near Galway Lake
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Fishing Galway Lake
Location
County Ranking
Ranked #2 of 5 lakes in Saratoga County
Nearby Lakes in Saratoga County
Explore Galway Lake across LakeGrade
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Moderate nutrients, good water quality
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More records, surveys & data sources
Reservoir Info (USACE NID)
Galway Lake is a man-made reservoir impounded by the Galway Lake Dam (completed 1982), built primarily for recreation on the NORTH CHUCTANUNDA CREEK; earth-type dam, 30 ft tall and 458 ft long.
- Surface area
- 564 ac
- Normal storage
- 4,936 ac-ft
- Max storage
- 9,605 ac-ft
- Drainage area
- 9.41 sq mi
- Hazard class
- High
- Owner
- GALWAY LAKE CAMPERS ASSOCIATION
Source: USACE National Inventory of Dams, NID ID NY00165 · Operator website
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth is a modeled estimate.
Regulated Pollution Sources Nearby
2 EPA-permitted facilities operate within about 5 miles of Galway Lake under Clean Water Act (NPDES) discharge permits.
- Galway Central SchoolGalway · 2.2 mi away · NPDES NY0076031
- Top Notch TavernHagaman · 2.3 mi away · NPDES NY0265918
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Data Sources
Water quality data from the EPA Water Quality Portal
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Lake size & watershed from HydroLAKES (HydroSHEDS)
Grading methodology based on Metropolitan Council standards
Most recent sample: 2020-09-27
Monitoring stations: 1