PlainEnviro

Jefferson, WA

Low Risk (28/100)

A PlainEnviro-computed score from reported facility/violation counts, not an official EPA rating, health forecast, or population-adjusted rate. See methodology.

Environmental data for Jefferson in Washington · Population: 33,313

Jefferson, WA is tracked across three EPA datasets covering 1 Toxics Release Inventory (TRI) facility, 20 Safe Drinking Water Act systems, and 0 Superfund National Priorities List sites. Together these generate an environmental burden score of 28/100 (Low Risk), calibrated against national distributions for facility density, chemical release volume, Superfund concentration, and water-system health violations.

Industrial disclosures inside the county total 2.2M lbs of reported toxic releases under EPCRA Section 313, while 2 water systems carry an active health-based violation in the SDWIS record. EPA Air Quality System monitors logged a median AQI of 21 and a peak AQI of 57 in 2024, with 96% of observed days rated "Good" (0–50).

All figures below draw directly from federal EPA records, TRI self-reported emissions, SDWIS compliance history, NPL Hazard Ranking System scores, and AQS daily AQI summaries, and are not adjusted, weighted, or forecast. A past violation or elevated score does not itself indicate current unsafe conditions; it documents the regulatory and disclosure history publicly filed with the U.S. Environmental Protection Agency through the most recent reporting cycle.

Population
33,313
TRI Facilities
1
Water Systems
20
Superfund Sites
0
Total Releases
2.2M 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 300 (96%) 11 0 57
2023 336 (96%) 14 0 88
2022 327 (94%) 22 0 90
2021 352 (98%) 6 0 79
2020 321 (94%) 11 2 232
2024 Good Air Quality: 96% of days
Median AQI: 21

Source: EPA Air Quality System (AQS) Annual AQI by County 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 Washington, see the EPA's AirNow.gov.

Water Systems (20)

System Population Violations
PORT TOWNSEND CITY OF 16,977 1
QUIMPER 14,500 0
FORKS MUNICIPAL WATER DEPT 4,744 0
OLYMPIC WATER & SEWER INC 3,086 0
BRIDGEHAVEN COMMUNITY CLUB 623 0
BYWATER BAY 600 0
JEFFERSON COUNTY WATER DIST #1 600 0
RESORT AND MARINA 409 0
OLYMPIC CORRECTIONS CENTER 390 0
GARDINER LUD 1 358 0
LAZY C 297 0
Coyle 249 0
SNOW CREEK 156 0
HOH TRIBE 120 6
QUILCENE 119 0
TRITON COVE 102 0
MOA TEL 73 0
MATS VIEW 50 0
SMITHVILLE 28 0
TRANQUILCENE TRAILER PARK 20 0

TRI Facilities (1)

# Facility Total Releases
1 Port Townsend Paper Corp 2.2M lbs

Cities in Jefferson (2)

Port Townsend
Pop: -
1 facilities · 11 water
Indian Island
Pop: -
0 facilities · 0 water

Frequently Asked Questions

What is the environmental risk level in Jefferson, Washington? ▼
Jefferson, WA has an environmental risk score of 28/100 (Low Risk), based on 1 TRI facilities, 0 Superfund sites, and 20 water systems on record. 2 water systems have health-based violations. Source: EPA TRI, SDWIS, and Superfund NPL.
Are there Superfund sites in Jefferson? ▼
No Superfund National Priorities List (NPL) sites are currently registered in Jefferson, WA in the EPA database.
How many toxic release facilities are in Jefferson? ▼
Jefferson, WA has 1 TRI-reporting facility on record with the EPA Toxic Release Inventory, with a combined total of 2.2M 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, WA recorded a median AQI of 21 and a peak AQI of 57. 96% 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, WA has 20 EPA-regulated water systems. 2 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, Washington is overseen by the U.S. Environmental Protection Agency (EPA) at the federal level and the Washington 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 Guides

Understanding EPA Data
How EPA collects and publishes environmental data
Environmental Justice
Who lives near polluters and environmental hazards
How to Check Environmental Quality
Step-by-step guide to checking your local environment

Read our methodology - how this data is sourced, computed, and verified.

Related

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