PlainEnviro

Oliver, ND

Low Risk (28/100)

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. This is a different measure than the EJ Screening score for this county, which ranks it by percentile against other tracked counties rather than against these fixed caps.

Environmental data for Oliver in North Dakota · Population: 1,821

TRI sites such as Minnkota Power Cooperative Inc. Milton R. Young Station; Bni Coal Ltd; SDWIS systems such as CENTER CITY OF anchor Oliver, ND's EPA extract. Derived burden score 28/100 (Low Risk) uses fixed national caps on density, log release volume, Superfund count, and health-flagged systems - not an official EPA rating.

Minnkota Power Cooperative Inc. Milton R. Young Station; Bni Coal Ltd are among the largest Form R filers reporting in Oliver; no SDWIS system here carries an active health-based flag. AQS median AQI 38 / peak 162 in 2024.

Burden score 28/100 (Low 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 Oliver -- 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 Oliver, ND: EPA TRI 2023 reporting year

2022 → 2023

Same facilities, both years

+9.2%

2 facilities that filed in 2022 and 2023

Whole inventory

+9.2%

4.9 million lb → 5.4 million lb, every facility that filed

  • Oliver, ND's total reported releases rose from 4.9 million lb in 2022 to 5.4 million lb in 2023, based on EPA TRI filings.
  • Oliver, ND's water releases fell from 19 lb in 2022 to 5 lb in 2023, based on EPA TRI filings.
  • Oliver, ND's air releases rose from 141.8 thousand lb in 2022 to 164.6 thousand lb in 2023, based on EPA TRI filings.
  • Oliver, ND's chemicals reported fell from 18 in 2022 to 16 in 2023, based on EPA TRI filings.
County population (Census ACS)
1,821
TRI Facilities
2
Water Systems
1
Superfund Sites
0
Total Releases
27.9M 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 299 (82%) 60 5 162
2023 244 (67%) 102 11 323
2022 268 (74%) 96 0 87
2021 251 (69%) 99 9 172
2020 330 (90%) 36 0 74
2024 Good Air Quality: 82% of days
Unhealthy days: 7
Median AQI: 38

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 North Dakota, see the EPA's AirNow.gov.

Water Systems (1)

System System pop (SDWIS) Violations
CENTER CITY OF 588 0

TRI Facilities (2)

# Facility Total Releases
1 Minnkota Power Cooperative Inc. Milton R. Young Station 27.5M lbs
2 Bni Coal Ltd 392.8K lbs

Cities in Oliver (1)

Center
2 facilities · 1 water

Frequently Asked Questions

What is the environmental risk level in Oliver, North Dakota? ▼
Oliver, ND has an environmental risk score of 28/100 (Low Risk), based on 2 TRI facilities, 0 Superfund sites, and 1 water systems on record. No water systems have current health-based violations. Source: EPA TRI, SDWIS, and Superfund NPL.
Are there Superfund sites in Oliver? ▼
No Superfund National Priorities List (NPL) sites are currently registered in Oliver, ND in the EPA database.
How many toxic release facilities are in Oliver? ▼
Oliver, ND has 2 TRI-reporting facilities on record with the EPA Toxic Release Inventory, with a combined total of 27.9M lbs in reported toxic releases. TRI facilities self-report annual chemical release data to the EPA.
What is the air quality in Oliver? ▼
In 2024, Oliver, ND recorded a median AQI of 38 and a peak AQI of 162. 82% 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 Oliver? ▼
Oliver, ND has 1 EPA-regulated water system. No health-based violations are currently on record. For current water quality, contact your local water utility. Source: EPA SDWIS.
What environmental agencies cover Oliver? ▼
Environmental compliance in Oliver, North Dakota is overseen by the U.S. Environmental Protection Agency (EPA) at the federal level and the North Dakota 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

Browse all → | Rankings →
Data sourced from U.S. EPA environmental datasets. See our methodology for details. Retrieved and formatted by PlainEnviro