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LakeQuality
D

Lake Carmel

Putnam County, WisconsinLimited DataEutrophic

Lake Carmel is a 240-acre productive, nutrient-rich eutrophic lake in Putnam County, NY. Water quality is graded D based on 1 sampling years through 2020. Compared to the 12 other monitored lakes in Putnam County, Lake Carmel ranks #13 for water quality.

Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2020-09-27. Grade methodology: LakeGrade methodology.

Swimming Safety

Swimming not recommended, poor water quality with high algae risk

Water Quality Grade: D, Poor

Murky, only visible to about 5.6 ft. Trophic State Index: 52.

MetricValueGrade
Water Clarity (Secchi Depth)5.6 ftD
PhosphorusNo data
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)52Eutrophic

High nutrients, frequent algae, reduced clarity

Lake Details

CharacteristicValue
Surface Area240 acres

Location

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County Ranking

Ranked #13 of 13 lakes in Putnam County

Nearby Lakes in Putnam County

Reservoir Info (USACE NID)

Lake Carmel is a man-made reservoir impounded by the Lake Carmel Dam (completed 1930), built primarily for recreation on the MIDDLE BRANCH CROTON RIVER; earth-type dam, 25 ft tall and 475 ft long.

Surface area
240 ac
Normal storage
1,620 ac-ft
Max storage
2,790 ac-ft
Drainage area
13 sq mi
Hazard class
High
Owner
TOWN OF KENT

Source: USACE National Inventory of Dams, NID ID NY00100 · Operator website

EPA Impairment Status

Lake Carmel is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).

Causes of impairment

Nutrients (phosphorus, nitrogen)

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit NY1302-0006 · 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: 2020-09-27

Monitoring stations: 1