Lake Lacoma
Monroe County, WisconsinLimited DataEutrophic
Lake Lacoma is a productive, nutrient-rich eutrophic lake in Monroe County, NY. Water quality is graded F based on 1 sampling years through 2020. Compared to the 4 other monitored lakes in Monroe County, Lake Lacoma ranks #5 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2020-09-13. Grade methodology: LakeGrade methodology.
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
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.
- CIrondequoit Bay LakeMonroe County · 12 mi · Two grade letters higher (F → C)
- DIrondequoit Bay LakeMonroe County · 11.7 mi · Higher grade (F → D)
- DLk Ontario LakeMonroe County · 21.1 mi · Higher grade (F → D)
Nearby Lakes in Monroe County
More Wisconsin Lake Rankings
Other Grade F Lakes in Wisconsin
Eutrophic Lakes in Wisconsin
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
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: 2020-09-13
Monitoring stations: 1