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ICIS-AIR CO0000000812309DFD

BONANZA CREEK - STATE ANTELOPE CPF O-1, Kersey 14.0 Mi. E Of, CO: Clean Air Act compliance record, inspections, violations, penalties

BONANZA CREEK - STATE ANTELOPE CPF O-1 is on EPA’s ICIS-AIR register at SWSE SEC 1 T5N R62W, Kersey 14.0 Mi. E Of in Weld County, Colorado: operating status operating, emissions classification major source, current violation status “No Violation Identified”. Weld County is on EPA’s Green Book list of areas that do not meet a national air quality standard.

What stands out

  • The newest of the 25 events on file is a compliance evaluation dated April 23, 2026.
  • Its events on file run from December 19, 2019 through April 23, 2026.
  • Of the 4 formal enforcement actions on file, 3 carry a filed penalty above zero. The largest on file is $157,500, filed November 4, 2024.
  • Of its 7 compliance evaluations on file, 6 are a full compliance evaluation.
  • 4 of the 6 stack tests on file are recorded as failed.
  • The register holds 8,858 air-emissions sources in Weld County, Colorado.

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

Identity

Facility as filedBONANZA CREEK - STATE ANTELOPE CPF O-1
ICIS-AIR IDCO0000000812309DFD
EPA facility registry ID110069568257
Operating statusOperating
Emissions classificationMajor source
Current violation status (HPV field)No Violation Identified
AddressSWSE SEC 1 T5N R62W, Kersey 14.0 Mi. E Of, CO 80611
CountyWeld County
In a nonattainment countyYes (EPA Green Book)
Industry (NAICS)Oil and gas extraction (NAICS 2111)
SIC code1311
EPA region08

Programs and pollutants

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

Compliance evaluations

DateWhat EPA recordedAgencyPrograms
April 23, 2026FCE On-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; Prevention of Significant Deterioration of Air Quality; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
May 29, 2025FCE On-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; Prevention of Significant Deterioration of Air Quality; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
May 22, 2024FCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
May 24, 2023FCE On-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; Prevention of Significant Deterioration of Air Quality; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
May 11, 2022FCE On-SiteStateNew Source Review Permit Requirements; Prevention of Significant Deterioration of Air Quality; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
April 28, 2021FCE On-SiteStateNew Source Review Permit Requirements; Prevention of Significant Deterioration of Air Quality; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
February 5, 2020PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards

Violations

What high-priority and federally reportable violations mean.

DateWhat EPA recordedAgencyPrograms
January 31, 2024Earliest FRV determinationStateMACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; Prevention of Significant Deterioration of Air Quality; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
August 22, 2023Earliest FRV determinationStateMACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; Prevention of Significant Deterioration of Air Quality; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
July 27, 2021Earliest FRV determinationStateNew Source Review Permit Requirements; Prevention of Significant Deterioration of Air Quality; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
May 5, 2020Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards

Enforcement and penalties

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

DateWhat EPA recordedAgencyPenalty, as filed
March 24, 2026Administrative OrderState$11,900
November 4, 2024Administrative OrderState$157,500
October 3, 2024Administrative OrderState$157,500
November 22, 2022Administrative OrderState$0

Informal enforcement

DateWhat EPA recordedAgency
November 4, 2025Notice of ViolationState
April 25, 2024Notice of ViolationState
February 15, 2024Notice of ViolationState
August 3, 2022Notice of ViolationState

Stack tests

DateWhat EPA recordedAgency
October 29, 2025FailState
October 23, 2024FailState
November 2, 2023FailState
January 16, 2020PassState
January 15, 2020FailState
December 19, 2019PassState

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Free from EPA: Detailed Facility Report, ECHO Notify (registry ID 110069568257).

Other air sources in Colorado beside BONANZA CREEK - STATE ANTELOPE CPF O-1

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