Velarion Records
Follow this air source Velarion Records emails you this air source’s record, cited to the public filing, and tells you when the register changes it. Free.
One more press on the next page sends it; there is no link to click in an email. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Air Act stationary source · ICIS-AIR WY0000005603700443

CHAIN LAKES I5 35 4H-8H PAD (CROWHEART ENERGY, LLC), Sweetwater County, WY: Clean Air Act compliance record, inspections, violations, penalties

CHAIN LAKES I5 35 4H-8H PAD (CROWHEART ENERGY, LLC), at NENEQ SECT. 2, T22N, R93W, Sweetwater County in Sweetwater County, Wyoming, is an operating synthetic minor source of air pollution on EPA’s ICIS-AIR register. EPA’s file records its current violation status (ICIS-AIR’s high-priority violation field) as “No Violation Identified”. Sweetwater County is on EPA’s Green Book list of areas that do not meet a national air quality standard. The status and classification are as EPA’s facility file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the source’s current standing, quarter by quarter.

Identity

Facility as filedCHAIN LAKES I5 35 4H-8H PAD (CROWHEART ENERGY, LLC)
ICIS-AIR IDWY0000005603700443
EPA facility registry ID110070566794
Operating statusOperating
Emissions classificationSynthetic minor source
Current violation status (ICIS-AIR high-priority violation field)No Violation Identified
AddressNENEQ SECT. 2, T22N, R93W, Sweetwater County, WY 82301
CountySweetwater County
In a nonattainment countyYes (EPA Green Book)
Industry (NAICS)Oil and gas extraction (NAICS 2111)
EPA region08

Cited to the EPA ICIS-AIR facility file (ECHO download).

Programs and pollutants

Velarion’s copy of EPA’s ICIS-AIR download does not include its program, pollutant and Title V certification files, so this page does not list the Clean Air Act programs CHAIN LAKES I5 35 4H-8H PAD (CROWHEART ENERGY, LLC) is under or the pollutants it is permitted for. The programs each evaluation and violation below was recorded under are shown with it. EPA’s free Detailed Facility Report lists both.

Compliance evaluations

DateWhat EPA recordedAgencyPrograms
January 16, 2025FCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
September 15, 2020FCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards

Violations

A high-priority violation (HPV) is the most serious class of Clean Air Act non-compliance an agency records; a federally reportable violation (FRV) is the next step down. Each row is one determination as EPA’s violation history files it.

EPA’s violation history file holds no violation for ICIS-AIR WY0000005603700443 since January 1, 2017.

Enforcement and penalties

0 formal enforcement actions since January 1, 2017, 0 of them with a penalty filed above zero. Each penalty is shown as EPA’s formal action file states it; “Not stated” means the file gives no figure, and $0 is a disclosed zero.

Informal enforcement

EPA’s informal action file holds no notice or warning for ICIS-AIR WY0000005603700443 since January 1, 2017.

Stack tests

DateWhat EPA recordedAgency
February 23, 2026PassState
February 23, 2026PassState
February 23, 2026PassState
December 16, 2025PassState
December 16, 2025PassState
December 16, 2025PassState
April 1, 2025PassState
April 1, 2025PassState
April 1, 2025PassState
December 17, 2024PassState
December 17, 2024PassState
December 17, 2024PassState
January 2, 2024PassState
January 2, 2024PassState
January 2, 2024PassState
September 25, 2023PassState
September 25, 2023PassState
September 25, 2023PassState
September 25, 2023PassState
October 6, 2022PassState
June 9, 2022PassState
May 11, 2022PassState
May 18, 2021PassState
May 18, 2020PassState
July 12, 2019PassState

Cited to the EPA ICIS-AIR evaluation, violation, stack test and enforcement files (ECHO download), events dated January 1, 2017 or later as loaded; up to 50 rows of each shown, newest first.

Watch this source

One source, $99/month. A source: the register entry for a plant, refinery, kiln, generating station, or other fixed installation the agency tracks under the Clean Air Act. Choose “One source” and enter this source’s ICIS-AIR ID, WY0000005603700443.

Start the watch

How often?
  • One source — $99/month
  • One county — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every source on ECHO: its compliance status quarter by quarter, its evaluations, and its violations, enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter EPA facility registry ID 110070566794 there.

Nearby on the register

Figures from EPA’s ICIS-AIR download, loaded September 14, 2026.

What this page shows

This page covers the Clean Air Act stationary source compliance record for CHAIN LAKES I5 35 4H-8H PAD (CROWHEART ENERGY, LLC) in Sweetwater County, WY. The page lists 2 compliance evaluations since January 1, 2017, along with 0 high-priority violations since January 1, 2017 and 0 formal enforcement actions since January 1, 2017. It records the source's operating status as Operating, its emissions classification as Synthetic minor source, and its current violation status as No Violation Identified.