Friends Lake
Warren County, WisconsinLimited DataOligotrophic
Friends Lake is a 450-acre cold, clear oligotrophic lake in Warren County, NY. Water quality is graded B based on 1 sampling years through 2021. Compared to the 8 other monitored lakes in Warren County, Friends Lake ranks #8 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2021-10-05. Grade methodology: LakeGrade methodology.
Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Good clarity, visible to about 13.8 ft. Trophic State Index: 39.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 13.8 ft | B |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 39 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 450 acres |
Location
County Ranking
Ranked #8 of 9 lakes in Warren County
Nearby Lakes in Warren County
More Wisconsin Lake Rankings
Other Grade B Lakes in Wisconsin
Oligotrophic Lakes in Wisconsin
Reservoir Info (USACE NID)
Friends Lake is a man-made reservoir impounded by the Friends Lake Dam (completed 1954), built primarily for recreation on the TR-CHESTER CREEK; earth-type dam, 7 ft tall and 300 ft long.
- Surface area
- 450 ac
- Normal storage
- 6,300 ac-ft
- Max storage
- 6,300 ac-ft
- Drainage area
- 5.56 sq mi
- Hazard class
- Low
- Owner
- FRIENDS LAKE PROPERTY ASSOCIATION
Source: USACE National Inventory of Dams, NID ID NY01514 · Operator website
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2021-10-05
Monitoring stations: 1