PlainEnviro

Washington, OK

Moderate Risk (32/100)

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 Washington in Oklahoma · Population: 52,895

Washington, OK is tracked across three EPA datasets covering 2 Toxics Release Inventory (TRI) facilities, 15 Safe Drinking Water Act systems, and 0 Superfund National Priorities List sites. Together these generate an environmental burden score of 32/100 (Moderate Risk), calibrated against national distributions for facility density, chemical release volume, Superfund concentration, and water-system health violations.

Industrial disclosures inside the county total 115.5K lbs of reported toxic releases under EPCRA Section 313, while 13 water systems carry an active health-based violation in the SDWIS record. EPA Air Quality System monitors logged a median AQI of 47 and a peak AQI of 156 in 2024, with 57% 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
52,895
TRI Facilities
2
Water Systems
15
Superfund Sites
0
Total Releases
115.5K 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 182 (57%) 128 7 156
2021 168 (49%) 170 7 139
2020 232 (67%) 111 1 101
2024 Good Air Quality: 57% of days
Unhealthy days: 8
Median AQI: 47

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 Oklahoma, see the EPA's AirNow.gov.

Water Systems (15)

System Population Violations
DEWEY PUBLIC WORKS AUTHORITY 3,490 13
GRAND LAKE PWA 2,800 6
WASHINGTON CO RWD #2 2,250 3
WASHINGTON CO RWD #1 1,375 0
OSAGE CO RWD # 1 930 3
WASHINGTON CO RWD #5 900 4
LE ANN WATER 750 13
COPAN PWA 733 84
RAMONA PUBLIC WORKS AUTHORITY 564 11
NOWATA CO RW & S DIST #1 500 3
OCHELATA UTILITY AUTHORITY 494 1
OSAGE CO RWD #18 (EVERGREEN) 302 61
WASHINGTON CO RWD #7 258 20
BAR-DEW WATER ASSOC INC 130 1
BRANSON MOUNTAIN VILLAGE 30 0

TRI Facilities (2)

# Facility Total Releases
1 Schlumberger Bartlesville Product Center 115.5K lbs
2 Superior Cos Inc Machining & Fabrication Div 0 lbs

Cities in Washington (1)

Bartlesville
Pop: -
2 facilities · 6 water

Frequently Asked Questions

What is the environmental risk level in Washington, Oklahoma? ▼
Washington, OK has an environmental risk score of 32/100 (Moderate Risk), based on 2 TRI facilities, 0 Superfund sites, and 15 water systems on record. 13 water systems have health-based violations. Source: EPA TRI, SDWIS, and Superfund NPL.
Are there Superfund sites in Washington? ▼
No Superfund National Priorities List (NPL) sites are currently registered in Washington, OK in the EPA database.
How many toxic release facilities are in Washington? ▼
Washington, OK has 2 TRI-reporting facilities on record with the EPA Toxic Release Inventory, with a combined total of 115.5K lbs in reported toxic releases. TRI facilities self-report annual chemical release data to the EPA.
What is the air quality in Washington? ▼
In 2024, Washington, OK recorded a median AQI of 47 and a peak AQI of 156. 57% 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 Washington? ▼
Washington, OK has 15 EPA-regulated water systems. 13 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 Washington? ▼
Environmental compliance in Washington, Oklahoma is overseen by the U.S. Environmental Protection Agency (EPA) at the federal level and the Oklahoma 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