Lake Lacoma is a productive, nutrient-rich eutrophic lake in Monroe County, New York. Water quality is graded F based on 1 sampling years through 2020. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 4 other monitored lakes in Monroe County, Lake Lacoma ranks #5 for water quality.
Source: EPA Water Quality Portal sampling records, New York DNR, last sampled 2020-09-13. Grade methodology: LakeGrade methodology.
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Swimming Safety
Avoid swimming, very poor water quality, potential algae toxins
Water Quality Grade: F, Very Poor
Very murky, less than 3 ft of visibility. Trophic State Index: 62.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3 ft | F |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 62 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Lake Lacoma
Compare lakeside cabins, hotels, and vacation rentals near Lake Lacoma in Monroe 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.
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Fishing Lake Lacoma
Recreation & Access
Location
County Ranking
Ranked #5 of 5 lakes in Monroe County
Cleaner Lakes Within 30 Miles
Lake Lacoma holds Grade F. 3 nearby lakes hold higher grades.
Nearby Lakes in Monroe County
Explore Lake Lacoma across LakeGrade
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Fish species and best lakes in Monroe County
Species activity outlook by water temperature and season
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High nutrients, frequent algae, reduced clarity
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More records, surveys & data sources
EPA Impairment Status
Lake Lacoma 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 NY0302-0031 · Official waterbody report
Regulated Pollution Sources Nearby
2 EPA-permitted facilities operate within about 5 miles of Lake Lacoma under Clean Water Act (NPDES) discharge permits.
- Monoco Oil Co - Monroe AvenuePittsford · 3.6 mi away · NPDES NY0105783
- Legrett PropertyHoneoye Falls · 4.9 mi away · NPDES NY0228150
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Data Sources
Water quality data from the EPA Water Quality Portal
Impairment status from EPA ATTAINS 303(d) database
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Grading methodology based on Metropolitan Council standards
Public boat-access points from the USGS National Boat Ramps inventory
Most recent sample: 2020-09-13
Monitoring stations: 1