ICIS-AIR ND0000003805300227

ONEOK ROCKIES MIDSTREAM, L.L.C. - ANTELOPE COMPRESSOR STATION - AQ, New Town, ND: Clean Air Act compliance record, inspections, violations, penalties

OperatingOperating status
Major sourceEmissions classification
No Violation IdentifiedCurrent violation status, as filed
2Compliance evaluations since January 1, 2017
0High-priority violations since January 1, 2017
0Formal enforcement actions since January 1, 2017

ONEOK ROCKIES MIDSTREAM, L.L.C. - ANTELOPE COMPRESSOR STATION - AQ is on EPA’s ICIS-AIR register at COUNTY ROAD 6, New Town in McKenzie County, North Dakota: operating status operating, emissions classification major source, current violation status “No Violation Identified”.

Identity

Facility as filed	ONEOK ROCKIES MIDSTREAM, L.L.C. - ANTELOPE COMPRESSOR STATION - AQ
ICIS-AIR ID	ND0000003805300227
EPA facility registry ID	110071442488
Operating status	Operating
Emissions classification	Major source
Current violation status (HPV field)	No Violation Identified
Address	COUNTY ROAD 6, New Town, ND 58763
County	McKenzie County
In a nonattainment county	No (EPA Green Book)
Industry (NAICS)	Oil and gas extraction (NAICS 2111)
SIC code	1311
EPA region	08

Programs and pollutants

The program, pollutant and Title V files are not loaded: what this page covers.

Compliance evaluations

2Evaluations since January 1, 2017
2Full compliance evaluations

Date	What EPA recorded	Agency	Programs
June 7, 2023	FCE On-Site	State	Stratospheric Ozone Protection; 40 CFR Part 63 Area Sources; New Source Performance Standards; New Source Review Permit Requirements; State or Local rule or regulation that is not federally-enforceable; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
July 20, 2021	FCE On-Site	State	State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards

Violations

0Violation determinations since January 1, 2017
0Of them high-priority

What high-priority and federally reportable violations mean.

EPA’s violation history file holds no violation for ICIS-AIR ND0000003805300227 since January 1, 2017.

Enforcement and penalties

0 of the formal enforcement actions carry a penalty filed above zero. How a penalty is shown.

Informal enforcement

EPA’s informal action file holds no notice or warning for ICIS-AIR ND0000003805300227 since January 1, 2017.

Stack tests

7Stack tests since January 1, 2017
0Recorded as failed

Date	What EPA recorded	Agency
May 18, 2026	Pass	State
June 25, 2025	Pass	State
July 1, 2024	Pass	State
July 17, 2023	Pass	State
July 26, 2022	Pass	State
November 23, 2020	Pending	State
October 28, 2019	Pass	State

Watch ONEOK ROCKIES MIDSTREAM, L.L.C. - ANTELOPE COMPRESSOR STATION - AQ

Privacy

Free from EPA: Detailed Facility Report, ECHO Notify (registry ID 110071442488).

Other air sources in North Dakota beside ONEOK ROCKIES MIDSTREAM, L.L.C. - ANTELOPE COMPRESSOR STATION - AQ

EPA ICIS-AIR download, loaded September 14, 2026.