ICIS-AIR OK0000004008300076

GREAT HORNED OWLS LLC / C MATTHEWS 1 8, Mulhall, OK: Clean Air Act compliance record, inspections, violations, penalties

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

GREAT HORNED OWLS LLC / C MATTHEWS 1 8 is on EPA’s ICIS-AIR register at 0.6 MI E OF CR 66 / CR67, Mulhall in Logan County, Oklahoma: operating status operating, emissions classification minor source, current violation status “No Violation Identified”.

What stands out

The newest of the 1 events on file is a compliance evaluation dated March 31, 2026.
The register holds 186 air-emissions sources in Logan County, Oklahoma.

Every line is computed by formula from the record’s stored figures; nothing is estimated.

Identity

Facility as filed	GREAT HORNED OWLS LLC / C MATTHEWS 1 8
ICIS-AIR ID	OK0000004008300076
EPA facility registry ID	110063897476
Operating status	Operating
Emissions classification	Minor source
Current violation status (HPV field)	No Violation Identified
Address	0.6 MI E OF CR 66 / CR67, Mulhall, OK 73063
County	Logan County
In a nonattainment county	No (EPA Green Book)
Industry (NAICS)	Oil and gas extraction (NAICS 2111)
SIC code	1311
EPA region	06

Programs and pollutants

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

Compliance evaluations

1Evaluations since January 1, 2017
0Full compliance evaluations

Date	What EPA recorded	Agency	Programs
March 31, 2026	PCE On-Site Record/Report Review	State	MACT Standards (40 CFR Part 63); New Source Performance Standards; 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 OK0000004008300076 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 OK0000004008300076 since January 1, 2017.

Stack tests

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

EPA’s stack test file holds no test at ICIS-AIR OK0000004008300076 since January 1, 2017.

Watch GREAT HORNED OWLS LLC / C MATTHEWS 1 8

Privacy

Free from EPA: Detailed Facility Report, ECHO Notify (registry ID 110063897476).

Other air sources in Oklahoma beside GREAT HORNED OWLS LLC / C MATTHEWS 1 8

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