Canadice Lake
Ontario County, New York657 acresView mapDirections
NY DEC publishes the water-quality measurements for Canadice Lake. Here is what has been measured.
- Impaired · PCBs
- 60 ft max depth
- Limited data
Canadice Lake in Ontario County, New York has water-quality measurements published by NY DEC, shown here as reported. Water clarity: 18.8 ft visibility. Surface area: 657 acres.
Canadice Lake is a 657-acre lake in Ontario County, New York with an estimated average depth of about 60 feet. Overall water quality is declining over recent sampling years.
Source: EPA Water Quality Portal sampling records, NYSDEC, last sampled 2022-07-12. Methodology: how these readings are compared.
Canadice Lake covers about 660 acres in Ontario County. If you are planning to stay, you can search lake houses and cabins around Canadice Lake on Vrbo, or look for a hotel room near the lake on Booking.com or Expedia.
What Canadice Lake is good for
From access and monitoring records, not editorial picks.
- Clear water18.8 ft of visibility
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Canadice Lake is listed impaired under Clean Water Act §303(d) (IR 5) for pCBs. Check local advisories before you swim.
Whether Canadice Lake is safe to swim in today is a call for the New York Department of Environmental Conservation and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Canadice Lake
These are the measurements NY DEC publishes for Canadice Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Crystal clear, you can see 18.8 ft down. TSI 35.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 18.8ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 35 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Canadice Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~60 ft est.
Surface area
657 acres
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. New York has not published bathymetry for Canadice Lake.
Lake Size & Watershed
Watershed (drainage) area
17 sq mi
HydroLAKES / HydroSHEDS
Shoreline
7.2 mi
HydroLAKES / HydroSHEDS
Elevation
1,096 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
Stays via Stay22
Stays near Canadice Lake
Compare lakeside cabins, hotels, and vacation rentals near Canadice Lake in Ontario County, New York — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Canadice Lake
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Fishing Canadice Lake
Water quality readings over time
2 seasons of samples on record (2020–2022). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Worsening2 years
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
Designated uses not supporting: Aquatic life.
Source: EPA ATTAINS assessment unit NY0402-0002 · Official waterbody report
Nearby Lakes in Ontario County
Frequently asked questions about Canadice Lake
Where is Canadice Lake?
- Canadice Lake is a lake in Ontario County, New York. Its water-quality measurements are published by NY DEC and shown on this page as reported.
What is the water quality of Canadice Lake?
- Canadice Lake in Ontario County, New York has water-quality measurements published by NY DEC, shown here as reported. Water clarity: 18.8 ft visibility. Surface area: 657 acres.
Is Canadice Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Canadice Lake is listed impaired under Clean Water Act §303(d) (IR 5) for pCBs. Check local advisories before you swim.
How deep is Canadice Lake?
- No published bathymetric survey covers Canadice Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 60 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate. The lake covers 657 acres.
Explore Canadice Lake across LakeQuality
Depth, room, public access, and the state wake-sport rules
19.4 mi away · cable-pulled, no boat wake
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Where this data comes from
7 measurements from 1 monitoring station, 2020–2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- North American Lake Management Society
NALMS7 samples · 2020–2022
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Lake size & watershed from HydroLAKES (HydroSHEDS)