EPA-regulated facilities in McKenzie County, ND

There are 844 EPA-regulated facilities inside McKenzie County, North Dakota. The most common kinds are air emissions (371), water discharge (272), drinking water systems (104). 12 are currently in significant noncompliance, the EPA's designation for the most serious or persistent violations, and 17 have a violation on record. Penalties over the last five years total $4M across 7 sites.

Open the map of McKenzie County

844facilities in the county

12in significant noncompliance

17with a violation on record

$4Min penalties, last 5 years

By category

Category	Facilities
Hazardous waste	77
Large quantity generators	1
Small quantity generators	33
Transporters	5
Chemical (RMP/TRI)	29
Air emissions	371
Major sources	23
Synthetic minor sources	7
Minor sources	111
Water discharge	272
Minor permits	232
Drinking water systems	104
Greenhouse gas reporters	16
Data centers	1
Scrap yards	3

A facility enrolled in several programs counts once in the total and once in each of its categories.

In significant noncompliance

The EPA's designation for its most serious or persistent violations, as of the latest data.

HESS CORPORATION - STONY CREEK REMOTE LOCATION, UNKNOWN, ND, 58000 Significant noncompliance
ARNEGARD, CITY OF HIGHWAY 85, ARNEGARD, ND, 58835 Significant noncompliance
ARIES RESIDENCE SUITES 2341 HWY 85 N, WATFORD CITY, ND, 58854 Significant noncompliance
BIOBRIDGE WASTEWATER TRACT 12 & 13, WATFORD CITY, ND, 58854 Significant noncompliance
BADLANDS AGGREGATE INC. - JACOBSON SCORIA PIT 3604 120TH AVENUE NORTHWEST, WATFORD CITY, ND, 58854 Significant noncompliance
MARTIN CONSTRUCTION INC - SORENSON SCORIA PIT NORTH OF 32ND ST NW AND WEST OF 116TH AVE NW, WATFORD CITY, ND, 58854 Significant noncompliance
BULLROCK LLC, HOB #1 11033 30 M ST. NW, KEENE, ND, 58847 Significant noncompliance
BULLROCK, LLC- ALFRED BROWN SWD 1/4 MILE EAST OF STATE HIGHWAY, KEENE, ND, 58847 Significant noncompliance
ROLFSRUD COUNTY ROAD 10 SCORIA PIT 4086 119TH AE NW, WATFORD CITY, ND, 58854 Significant noncompliance
MANDAREE WATER TREATMENT PLANT 1004 RIDGE ROAD, MANDAREE, ND, 58757 Significant noncompliance

Largest penalties

Penalties assessed over the last five years.

TARGA- CLARK'S CREEK COMPRESSOR STATION 47.9079, -102.7582, KEENE, ND, 58847 $3.2M in penalties
EOG- CLARKS CREEK CENTRAL FACILITY 47.9059, -102.7554, MANDAREE, ND, 58763 $333k in penalties
TAT-BLUE BUTTES COMPRESSOR STATION STR OF NW 1/4, NE 1/4, S31, T151N R94W, MCKENZIE COUNTY, ND, 58763 $250k in penalties
CHICAGO3-26H CHICAGO4-26H SYRACUSE3-23H SYRACUSE4-23H 47.96289,-103.30783, TWIN VALLEY, TOWNSHIP OF, ND, 58854 $75k in penalties
MHA TRIBAL ADMIN BUILDING PHASE 1 404 FRONTAGE RD., NEW TOWN, ND, 58763 $33k in penalties

Data centers

CRUSOE ENERGY SYSTEMS - CROSBY CHASE CTB MANDAREE, ND, 58757

Bordering counties

Reading these numbers

These are regulatory records, not measurements of pollution. Most facilities appear because they hold a permit or file reports, and most of them are compliant; a listing is not a claim that a facility has polluted anything. Compliance status and penalties are the EPA's own determinations in data retrieved Oct 9, 2026. The Data page explains where each record comes from and how it can mislead.