Augur Lake is a mesotrophic lake in Essex County, New York. Water quality is graded C based on 1 sampling years through 2020. Compared to the 8 other monitored lakes in Essex County, Augur Lake ranks #8 for water quality.
Source: EPA Water Quality Portal sampling records, New York DNR, last sampled 2020-09-22. Grade methodology: LakeGrade methodology.
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Moderate clarity, visible to about 8 ft. Trophic State Index: 47.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 8 ft | C |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 47 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Augur Lake
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Fishing Augur Lake
Location
County Ranking
Ranked #8 of 9 lakes in Essex County
Cleaner Lakes Within 30 Miles
Augur Lake holds Grade C. 3 nearby lakes hold higher grades.
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Moderate nutrients, good water quality
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More records, surveys & data sources
EPA Impairment Status
Augur Lake 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 NY1004-0050 · Official waterbody report
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth is a modeled estimate.
Regulated Pollution Sources Nearby
3 EPA-permitted facilities operate within about 5 miles of Augur Lake under Clean Water Act (NPDES) discharge permits. 1 facility has a reported Clean Water Act violation in the past three years.
- Keeseville Wastewater Treatment PlantVillage Of Keeseville · 3.8 mi away · NPDES NY0025097Recent violation
- Chesterfield WtfKeeseville · 1.4 mi away · NPDES NY0255963
- Port Douglas Storage FacilityKeeseville · 4.2 mi away · NPDES NY0217662
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)
Lake size & watershed from HydroLAKES (HydroSHEDS)
Grading methodology based on Metropolitan Council standards
Most recent sample: 2020-09-22
Monitoring stations: 1