PlainEnviro

Gilliam, OR

Low Risk (25/100)

A PlainEnviro-computed score from reported facility/violation counts, not an official EPA rating, health forecast, or population-adjusted rate. See methodology. This is a different measure than the EJ Screening score for this county, which ranks it by percentile against every other tracked county rather than against fixed national thresholds.

Environmental data for Gilliam in Oregon · Population: 2,002

Gilliam, OR is tracked across three EPA datasets covering 1 Toxics Release Inventory (TRI) facility, 3 Safe Drinking Water Act systems, and 0 Superfund National Priorities List sites. Together these generate an environmental burden score of 25/100 (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 15.6M lbs of reported toxic releases under EPCRA Section 313, while 0 water systems carry an active health-based violation in the SDWIS record. No EPA Air Quality System monitors currently report data for this county.

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
2,002
TRI Facilities
1
Water Systems
3
Superfund Sites
0
Total Releases
15.6M lbs

Water Systems (3)

System Population Violations
CONDON, CITY OF 742 0
ARLINGTON CITY WATER SUPPLY 628 0
CONDON HEIGHTS WS 33 0

TRI Facilities (1)

# Facility Total Releases
1 Chemical Waste Management of the Northwest Inc. 15.6M lbs

Cities in Gilliam (1)

Arlington
Pop: -
1 facilities · 1 water

Frequently Asked Questions

What is the environmental risk level in Gilliam, Oregon? ▼
Gilliam, OR has an environmental risk score of 25/100 (Low Risk), based on 1 TRI facilities, 0 Superfund sites, and 3 water systems on record. No water systems have current health-based violations. Source: EPA TRI, SDWIS, and Superfund NPL.
Are there Superfund sites in Gilliam? ▼
No Superfund National Priorities List (NPL) sites are currently registered in Gilliam, OR in the EPA database.
How many toxic release facilities are in Gilliam? ▼
Gilliam, OR has 1 TRI-reporting facility on record with the EPA Toxic Release Inventory, with a combined total of 15.6M lbs in reported toxic releases. TRI facilities self-report annual chemical release data to the EPA.
What is the air quality in Gilliam? ▼
Air quality monitoring data (EPA AQS) is not available for Gilliam, OR. This may indicate no EPA monitoring stations are located in the county. For regional air quality data, see the state environmental profile or visit EPA's AirNow.gov.
Is the drinking water safe in Gilliam? ▼
Gilliam, OR has 3 EPA-regulated water systems. No health-based violations are currently on record. For current water quality, contact your local water utility. Source: EPA SDWIS.
What environmental agencies cover Gilliam? ▼
Environmental compliance in Gilliam, Oregon is overseen by the U.S. Environmental Protection Agency (EPA) at the federal level and the Oregon 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.

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