Lake Lacoma
Monroe County, New YorkView mapDirections
NY DEC publishes the water-quality measurements for Lake Lacoma. Here is what has been measured.
- Impaired · Nutrients (phosphorus, nitrogen)
- Public access
- Limited data
Lake Lacoma in Monroe County, New York has water-quality measurements published by NY DEC, shown here as reported. Water clarity: 3 ft visibility.
Lake Lacoma is a lake in Monroe County, New York. Limited fish-species data available. Public access is available.
Source: EPA Water Quality Portal sampling records, NYSDEC, last sampled 2020-09-13. Methodology: how these readings are compared.
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Swimming conditions
No readingRecreation use not supported
Nutrient and algae readings are not a swimming clearance. Lake Lacoma is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Lake Lacoma 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 Lake Lacoma
These are the measurements NY DEC publishes for Lake Lacoma, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 3 ft of visibility. TSI 62.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 3ft | 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. | 62 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Lake Lacoma
Answers come straight from the public measurements and survey records on this page.
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Stays near Lake Lacoma
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Fishing Lake Lacoma
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
Designated uses not supporting: Recreation.
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.
Nearby Lakes in Monroe County
Frequently asked questions about Lake Lacoma
Where is Lake Lacoma?
- Lake Lacoma is a lake in Monroe 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 Lake Lacoma?
- Lake Lacoma in Monroe County, New York has water-quality measurements published by NY DEC, shown here as reported. Water clarity: 3 ft visibility.
Is Lake Lacoma safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Lake Lacoma is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Can I fish at Lake Lacoma?
- Public access to Lake Lacoma is listed as yes on the lake record. Seasons, size and bag limits, and whether you need a license are set by New York's fish and wildlife agency, so check its current regulations before you go.
Explore Lake Lacoma across LakeQuality
16.2 mi away · cable-pulled, no boat wake
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Where this data comes from
8 measurements from 1 monitoring station, 2020. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- North American Lake Management Society
NALMS8 samples · 2020
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
Regulated discharger data from EPA ECHO (ICIS-NPDES)