Lake Peekskill
Putnam County, WisconsinLimited DataEutrophic
Lake Peekskill is a 52-acre productive, nutrient-rich eutrophic lake in Putnam County, NY. Water quality is graded D based on 1 sampling years through 2020. Compared to the 12 other monitored lakes in Putnam County, Lake Peekskill ranks #9 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2020-09-27. Grade methodology: LakeGrade methodology.
Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
Murky, only visible to about 3.9 ft. Trophic State Index: 57.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.9 ft | D |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 57 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 52 acres |
Location
County Ranking
Ranked #9 of 13 lakes in Putnam County
Nearby Lakes in Putnam County
More Wisconsin Lake Rankings
Other Grade D Lakes in Wisconsin
Eutrophic Lakes in Wisconsin
Reservoir Info (USACE NID)
Lake Peekskill is a man-made reservoir impounded by the Lake Peekskill Dam (completed 1928), built primarily for recreation on the HOLLOWBROOK; concrete-type dam, 16 ft tall and 120 ft long.
- Surface area
- 52 ac
- Normal storage
- 1,074 ac-ft
- Max storage
- 1,357 ac-ft
- Drainage area
- 0.6 sq mi
- Hazard class
- High
- Owner
- LAKE PEEKSKILL IMPROVEMENT DISTRICT
Source: USACE National Inventory of Dams, NID ID NY00087 · Operator website
EPA Impairment Status
Lake Peekskill is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit NY1301-0147 · Official waterbody report
Data Sources
Water quality data from the EPA Water Quality Portal
Impairment status from EPA ATTAINS 303(d) database
Grading methodology based on Metropolitan Council standards
Most recent sample: 2020-09-27
Monitoring stations: 1