Morton, ND

Compiled by PlainEnviro Editorial, Environmental Data Editorial Team · July 13, 2026

Moderate Risk (31/100)

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 Morton in North Dakota · Population: 33,479

Morton, ND is tracked across three EPA datasets covering 3 Toxics Release Inventory (TRI) facilities, 12 Safe Drinking Water Act systems, and 0 Superfund National Priorities List sites. Together these generate an environmental burden score of 31/100 (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 3.2M lbs of reported toxic releases under EPCRA Section 313, while 1 water system carries 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

33,479

TRI Facilities

Water Systems

Superfund Sites

Total Releases

3.2M lbs

Water Systems (12)

System	City	Source	Population	Violations	Health
MANDAN CITY OF	Mandan	Surface Water	21,769	0	–
MISSOURI WEST WATER SYSTEM	Mandan	Surface Water	4,303	0	–
RUGBY CITY OF	Rugby	Groundwater	2,876	0	–
NEW SALEM CITY OF	New Salem	Surface Water	946	0	–
GLEN ULLIN CITY OF	Glen Ullin	Surface Water	807	0	–
HEBRON CITY OF	Hebron	Surface Water	747	0	–
CROWN BUTTE COOP	Mandan	Surface Water	320	0	–
FLASHER CITY OF	Flasher	Surface Water	232	0	–
RIVERVIEW HEIGHTS	Mandan	Surface Water	200	0	–
COUNTRY CLUB CO-OP	Mandan	Surface Water	162	0	–
ALMONT CITY OF	Almont	Surface Water	122	0	–
SOLEN, CITY OF	Solen	Surface Water	83	2	Yes

TRI Facilities (3)

#	Facility	City	Industry	Total Releases
1	Marathon Mandan Refinery	Mandan	Petroleum	1.9M lbs
2	Rm Heskett Station	Mandan	Electric Utilities	1.1M lbs
3	Hebron Brick Co	Hebron	Nonmetallic Mineral Product	217.6K lbs

Cities in Morton (2)

Mandan

Pop: -

2 facilities · 5 water

Hebron

Pop: -

1 facilities · 1 water

Frequently Asked Questions

What is the environmental risk level in Morton, North Dakota? ▼

Morton, ND has an environmental risk score of 31/100 (Moderate Risk), based on 3 TRI facilities, 0 Superfund sites, and 12 water systems on record. 1 water system have health-based violations. Source: EPA TRI, SDWIS, and Superfund NPL.

Are there Superfund sites in Morton? ▼

No Superfund National Priorities List (NPL) sites are currently registered in Morton, ND in the EPA database.

How many toxic release facilities are in Morton? ▼

Morton, ND has 3 TRI-reporting facilities on record with the EPA Toxic Release Inventory, with a combined total of 3.2M lbs in reported toxic releases. TRI facilities self-report annual chemical release data to the EPA.

What is the air quality in Morton? ▼

Air quality monitoring data (EPA AQS) is not available for Morton, ND. 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 Morton? ▼

Morton, ND has 12 EPA-regulated water systems. 1 system has 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 Morton? ▼

Environmental compliance in Morton, 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.

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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