Jefferson, NY

Moderate Risk (52/100)

Transparent derived index from EPA TRI / SDWIS / Superfund extracts: not an official EPA rating. Fixed caps: facilities ≤25 pts (50+ = max), log10 releases ≤25 pts, Superfund ≤25 pts (5/site), health-violation systems ≤15 pts (3/system), high-chemical facilities ≤10 pts. Bands: High ≥60, Moderate ≥30. See methodology.

Environmental data for Jefferson in New York · Population: 116,130

TRI sites such as US Army Fort Drum; Great Lakes Cheese of Ny Inc.; Hp Hood LLC; SDWIS systems such as FORT DRUM; WATERTOWN CITY; LERAY TOWN WD 1, 2, 4; NPL sites such as Black River PCBs; Crown Cleaners of Watertown, Inc. anchor Jefferson, NY's EPA extract. Derived burden score 52/100 (Moderate Risk) uses fixed national caps on density, log release volume, Superfund count, and health-flagged systems - not an official EPA rating.

Health-flagged SDWIS rows in Jefferson include FORT DRUM; WATERTOWN CITY; CARTHAGE VILLAGE, while US Army Fort Drum leads reported TRI pounds among local Form R filers. AQS median AQI 32 / peak 80 in 2024.

Burden score 52/100 (Moderate Risk) is the only weighted composite on this page. The tables below list every TRI facility, SDWIS system, and Superfund site EPA has on record for Jefferson -- not just the names called out above -- reproducing the disclosure history as filed, not a current-safety verdict. Extract current as of 2026-08-25.

Release-over-release change

What changed for Jefferson, NY: EPA TRI 2023 reporting year

2022 → 2023

Same facilities, both years

+7.1%

9 facilities that filed in 2022 and 2023

Whole inventory

+7.1%

155.1 thousand lb → 166.1 thousand lb, every facility that filed

  • Jefferson, NY's total reported releases rose from 155.1 thousand lb in 2022 to 166.1 thousand lb in 2023, based on EPA TRI filings.
  • Jefferson, NY's off-site transfers rose from 1.6 thousand lb in 2022 to 5.4 thousand lb in 2023, based on EPA TRI filings.
  • Jefferson, NY's air releases fell from 6.4 thousand lb in 2022 to 4.7 thousand lb in 2023, based on EPA TRI filings.
  • Jefferson, NY's water releases rose from 10.4 thousand lb in 2022 to 11.1 thousand lb in 2023, based on EPA TRI filings.
County population (Census ACS)
116,130
TRI Facilities
10
Water Systems
56
Superfund Sites
2
Total Releases
827.1K lbs

Air Quality History (2020–2024)

EPA Air Quality Index (AQI) data showing how many days per year fall into each air quality category.

Year Good Moderate Unhealthy (SG) Max AQI
2024 352 (97%) 11 0 80
2023 344 (95%) 17 1 101
2022 352 (98%) 8 0 84
2021 332 (95%) 19 0 97
2020 345 (96%) 15 0 90
2024 Good Air Quality: 97% of days
Median AQI: 32

Source: EPA Air Quality System (AQS) Annual AQI by County AQI categories: Good (0-50), Moderate (51-100), Unhealthy for Sensitive Groups (101-150), Unhealthy (151-200), Very Unhealthy (201-300), Hazardous (301+)

For real-time air quality readings and pollutant breakdowns in New York, see the EPA's AirNow.gov.

Water Systems (56)

System System pop (SDWIS) Violations
FORT DRUM 34,000 2
WATERTOWN CITY 27,861 22
LERAY TOWN WD 1, 2, 4 7,140 0
CARTHAGE VILLAGE 3,600 37
CAPE VINCENT TOWN WD 1 & 5 2,600 0
SACKETS HARBOR VILLAGE 2,200 0
CLAYTON VILLAGE 2,100 0
ADAMS VILLAGE 2,000 0
ALEXANDRIA BAY VILLAGE 1,900 0
PAMELIA TOWN WD 4 & 5 1,857 45
PHILADELPHIA VILLAGE 1,800 1
WEST CARTHAGE VILLAGE 1,734 39
BLACK RIVER VILLAGE 1,600 0
CAPE VINCENT VILLAGE 1,500 0
RUTLAND TOWN WD 1 1,500 0
BROWNVILLE VILLAGE 1,200 0
DEXTER VILLAGE 1,100 7
ADAMS T WD 1,2,3 (ADAMS CENTER) 1,000 0
THERESA VILLAGE 950 0
ANTWERP VILLAGE 900 2
CAPE VINCENT TOWN WD 3, 4, & 6 770 0
WATERTOWN TOWN WD 3 & 4 & 5 750 12
ORLEANS TOWN WD 1 (LAFARGEVILLE) 750 0
HOUNSFIELD WD 2 725 29
HENDERSON TOWN WD 1,2 700 8
HARRISVILLE (DIANA WD 1) 700 0
ORLEANS TOWN WD 2 (RT 12) 690 0
CHAMPION WD 2, 4 & 5 650 3
EVANS MILLS VILLAGE 644 3
CHAUMONT VILLAGE 625 0
WATERTOWN TOWN WD 1 & 2 600 5
BROWNVILLE (T) WD #1 600 15
GLEN PARK VILLAGE 500 0
ALEXANDRIA TOWN WD #2 - REDWOOD 500 4
HOUNSFIELD WD 1, 5 480 20
LERAY TOWN WD 3 480 0
MANNSVILLE VILLAGE 450 0
DEFERIET VILLAGE 420 0
CHAMPION WD 1 (GREAT BEND) 400 0
LYME TOWN WD 2 400 0
NORTHWOODS ESTATES 315 0
HOUNSFIELD WD 3 (WESCOTT BEACH) 270 0
WILNA T WD 1 240 37
WILNA T WD 2 200 0
SOUTHSIDE WATER INC. 195 8
RODMAN TOWN WD 1 180 0
PAMELIA TOWN WD #2 150 15
BROWNVILLE (T) WD #2 140 3
COLD CREEK STUDIOS 90 1
EVERGREEN HILLS MHP 78 0
LYME TOWN WD 1 & 4 70 0
ALEXANDRIA TOWN WD #1 - OTTER STREET 60 0
WADDINGTON ESTATES MHP (GU) 60 14
RIVERWOOD ESTATES 30 1
DANC (WATERTOWN / FT. DRUM) 0 3
DANC WESTERN REGIONAL 0 7

TRI Facilities (10)

# Facility Total Releases
1 US Army Fort Drum 700.0K lbs
2 Great Lakes Cheese of Ny Inc. 83.0K lbs
3 Hp Hood LLC 23.1K lbs
4 Knowlton Technologies LLC 13.7K lbs
5 Slack Chemical Co. Inc. 7.3K lbs
6 New York Air Brake LLC 46 lbs
7 Ox Specialty Paper LLC 14 lbs
8 Griffith Energy - Watertown 0 lbs
9 Neenah Northeast LLC 0 lbs
10 Gold Star Feed & Grain 0 lbs

Superfund Sites (2)

Site Name Status HRS Score
Black River PCBs NPL Site 48.03
Crown Cleaners of Watertown, Inc. NPL Site 49.00

Cities in Jefferson (24)

Watertown
3 facilities · 16 water
Carthage
1 facilities · 5 water
Lafargeville
1 facilities · 2 water
Adams
1 facilities · 1 water
Adams Center
1 facilities · 1 water
Brownville
1 facilities · 1 water
Fort Drum
1 facilities · 1 water
West Carthage
1 facilities · 1 water
Alexandria Bay
0 facilities · 3 water
Black River
0 facilities · 3 water
Cape Vincent
0 facilities · 3 water
Chaumont
0 facilities · 3 water
Clayton
0 facilities · 3 water
Dexter
0 facilities · 3 water
Evans Mills
0 facilities · 2 water
Antwerp
0 facilities · 1 water
Deferiet
0 facilities · 1 water
Glen Park
0 facilities · 1 water
Henderson
0 facilities · 1 water
Mannsville
0 facilities · 1 water
Philadelphia
0 facilities · 1 water
Rodman
0 facilities · 1 water
Theresa
0 facilities · 1 water
Town Of Champion
0 facilities · 0 water

Frequently Asked Questions

What is the environmental risk level in Jefferson, New York?
Jefferson, NY has an environmental risk score of 52/100 (Moderate Risk), based on 10 TRI facilities, 2 Superfund sites, and 56 water systems on record. 26 water systems have health-based violations. Source: EPA TRI, SDWIS, and Superfund NPL.
Are there Superfund sites in Jefferson?
Yes, Jefferson, NY has 2 Superfund sites on the EPA National Priorities List (NPL). Superfund sites are contaminated locations that require long-term cleanup under the EPA Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA).
How many toxic release facilities are in Jefferson?
Jefferson, NY has 10 TRI-reporting facilities on record with the EPA Toxic Release Inventory, with a combined total of 827.1K lbs in reported toxic releases. TRI facilities self-report annual chemical release data to the EPA.
What is the air quality in Jefferson?
In 2024, Jefferson, NY recorded a median AQI of 32 and a peak AQI of 80. 97% of monitored days had "Good" air quality (AQI 0–50). Source: EPA Air Quality System (AQS) Annual AQI by County.
Is the drinking water safe in Jefferson?
Jefferson, NY has 56 EPA-regulated water systems. 26 systems have reported health-based violations (MCL exceedances). A past violation does not necessarily mean water is currently unsafe. For current water quality, contact your local water utility. Source: EPA SDWIS.
What environmental agencies cover Jefferson?
Environmental compliance in Jefferson, New York is overseen by the U.S. Environmental Protection Agency (EPA) at the federal level and the New York state environmental agency. Facilities report to the EPA Toxic Release Inventory, water systems are regulated under the Safe Drinking Water Act, and contaminated sites are managed under the Superfund program. Contact your state environmental agency for local concerns.

What does this county environmental profile show?

This county environmental profile rolls up EPA Toxics Release Inventory facility reports, Safe Drinking Water Information System public-water-system filings, and Superfund National Priorities List sites for the county boundary defined by the U.S. Census Bureau. Facility counts reflect facilities with a reporting address inside the county, not where downstream environmental effects may be observed. Population figures are from the most recent Census ACS 5-year estimate. The county detail page is updated whenever the upstream EPA programs publish revised data; see the methodology page for the documented ingest cadence and the editorial choices governing how aggregations are computed.

Related

Data sourced from U.S. EPA environmental datasets. See our methodology for details. Retrieved and formatted by PlainEnviro