Jamesville Reservoir
Onondaga County, WisconsinLimited DataEutrophic
Jamesville Reservoir is a 252-acre productive, nutrient-rich eutrophic lake in Onondaga County, NY. Water quality is graded D based on 1 sampling years through 2020. Compared to the 3 other monitored lakes in Onondaga County, Jamesville Reservoir ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2020-09-20. 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 5.3 ft. Trophic State Index: 53.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5.3 ft | D |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 53 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 252 acres |
Location
County Ranking
Ranked #4 of 4 lakes in Onondaga County
Nearby Lakes in Onondaga County
More Wisconsin Lake Rankings
Other Grade D Lakes in Wisconsin
Eutrophic Lakes in Wisconsin
Reservoir Info (USACE NID)
Jamesville Reservoir is a man-made reservoir impounded by the Jamesville Reservoir Dam (completed 1874), built primarily for navigation on the BUTTERNUT CREEK; concrete-type dam, 53 ft tall and 446 ft long.
- Surface area
- 252 ac
- Normal storage
- 3,900 ac-ft
- Max storage
- 6,250 ac-ft
- Drainage area
- 46.9 sq mi
- Hazard class
- High
- Owner
- New York State Canal Corporation
All listed purposes: Navigation;Recreation.
Source: USACE National Inventory of Dams, NID ID NY00418 · Operator website
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2020-09-20
Monitoring stations: 1