Mariaville Lake
Schenectady County, New York130 acresView mapDirections
No nutrient or algae sampling on record from NY DEC for this lake.
- Impaired · Nutrients (phosphorus, nitrogen)
- 16 ft max depth
Mariaville Lake in Schenectady County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 15.7 ft. Surface area: 130 acres.
Mariaville Lake is a 130-acre lake in Schenectady County, New York with a maximum depth of 16 feet (6-foot average).
Source: EPA Water Quality Portal sampling records, NYSDEC. Methodology: how these readings are compared.
Swimming conditions
No readingRecreation use not supported
Nutrient and algae readings are not a swimming clearance. Mariaville Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Mariaville 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 Mariaville Lake
These are the measurements NY DEC publishes for Mariaville Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. TSI undefined.
Ask about Mariaville Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
15.7 ft
Average depth
5.6 ft
Surface area
130 acres
Shoreline
2.4 mi
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Fishing Mariaville Lake
EPA Impairment Status
Mariaville 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: Recreation.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit NY1201-0113 · Official waterbody report
Nearby Lakes in Schenectady County
Frequently asked questions about Mariaville Lake
Where is Mariaville Lake?
- Mariaville Lake is a lake in Schenectady 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 Mariaville Lake?
- Mariaville Lake in Schenectady County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 15.7 ft. Surface area: 130 acres.
Is Mariaville Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Mariaville Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
How deep is Mariaville Lake?
- Mariaville Lake has a maximum depth of 15.7 feet and an average depth of 5.6 feet. The lake covers 130 acres.
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Where this data comes from
Measurements for Mariaville Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database