Canadice Lake
Ontario County, WisconsinLimited DataOligotrophic
Canadice Lake is a 657-acre cold, clear oligotrophic lake in Ontario County, NY. Water quality is graded A based on 1 sampling years through 2022. Compared to the 2 other monitored lakes in Ontario County, Canadice Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2022-07-12. Grade methodology: LakeGrade methodology.
Swimming Safety
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A, Excellent
Crystal clear, you can see 18.8 ft down. Trophic State Index: 35.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 18.8 ft | A |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 35 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 657 acres |
Location
County Ranking
Ranked #2 of 3 lakes in Ontario County
Nearby Lakes in Ontario County
More Wisconsin Lake Rankings
Other Grade A Lakes in Wisconsin
Oligotrophic Lakes in Wisconsin
Reservoir Info (USACE NID)
Canadice Lake is a man-made reservoir impounded by the Canadice Lake Dam (completed 1947), built primarily for water supply on the CANADICE LAKE OUTLET; earth-type dam, 11 ft tall and 735 ft long.
- Surface area
- 657 ac
- Normal storage
- 4,712 ac-ft
- Max storage
- 16,195 ac-ft
- Drainage area
- 12.34 sq mi
- Hazard class
- High
- Owner
- CITY OF ROCHESTER
Source: USACE National Inventory of Dams, NID ID NY00443 · Operator website
EPA Impairment Status
Canadice Lake 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 NY0402-0002 · 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: 2022-07-12
Monitoring stations: 1