Hemlock Lake
Livingston County, WisconsinLimited DataMesotrophic
Hemlock Lake is a 2,054-acre mesotrophic lake in Livingston County, NY. Water quality is graded B based on 1 sampling years through 2022. Compared to the 1 other monitored lakes in Livingston County, Hemlock Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2022-07-26. 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 12.5 ft. Trophic State Index: 41.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 12.5 ft | B |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 41 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 2.1K acres |
Location
County Ranking
Ranked #2 of 2 lakes in Livingston County
Nearby Lakes in Livingston County
More Wisconsin Lake Rankings
Other Grade B Lakes in Wisconsin
Mesotrophic Lakes in Wisconsin
Reservoir Info (USACE NID)
Hemlock Lake is a man-made reservoir impounded by the Hemlock Lake Dam (completed 1926), built primarily for water supply on the SPRINGWATER CREEK; earth-type dam, 12 ft tall and 3,200 ft long.
- Surface area
- 2,054 ac
- Normal storage
- 22,356 ac-ft
- Max storage
- 41,101 ac-ft
- Drainage area
- 43.13 sq mi
- Hazard class
- High
- Owner
- CITY OF ROCHESTER
Source: USACE National Inventory of Dams, NID ID NY00477 · Operator website
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2022-07-26
Monitoring stations: 1