Clean Air Act stationary source · ICIS-AIR IA0000001913900140
NATURAL GAS PIPELINE CO OF AMERICA-#199, Letts, IA: Clean Air Act compliance record, inspections, violations, penalties
- OperatingOperating status
- Major sourceEmissions classification
- No Violation IdentifiedCurrent violation status, as filed
- 6Compliance evaluations since January 1, 2017
- 0High-priority violations since January 1, 2017
- 0Formal enforcement actions since January 1, 2017
NATURAL GAS PIPELINE CO OF AMERICA-#199, at US HWY 61 & CO RD G34, Letts in Muscatine County, Iowa, is an operating major 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”. Muscatine 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 filed | NATURAL GAS PIPELINE CO OF AMERICA-#199 |
|---|---|
| ICIS-AIR ID | IA0000001913900140 |
| EPA facility registry ID | 110001398201 |
| Operating status | Operating |
| Emissions classification | Major source |
| Current violation status (ICIS-AIR high-priority violation field) | No Violation Identified |
| Address | US HWY 61 & CO RD G34, Letts, IA 52754 |
| County | Muscatine County |
| In a nonattainment county | Yes (EPA Green Book) |
| Industry (NAICS) | Pipeline transportation (NAICS 4862) |
| SIC code | 4922 |
| EPA region | 07 |
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 NATURAL GAS PIPELINE CO OF AMERICA-#199 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
- 6Evaluations since January 1, 2017
- 6Full compliance evaluations
| Date | What EPA recorded | Agency | Programs |
|---|---|---|---|
| October 16, 2025 | FCE On-Site | State | Title V Permits |
| November 15, 2023 | FCE On-Site | State | Title V Permits |
| July 21, 2022 | FCE On-Site | State | Title V Permits |
| April 21, 2021 | FCE Off-Site | State | Title V Permits |
| July 15, 2019 | FCE On-Site | State | Title V Permits |
| July 27, 2017 | FCE On-Site | State | Title V Permits |
Violations
- 0Violation determinations since January 1, 2017
- 0Of them high-priority
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 IA0000001913900140 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 IA0000001913900140 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 IA0000001913900140 since January 1, 2017.
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.
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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 110001398201 there.
Nearby on the register
- Air-emissions sources in Muscatine County
- Every source record in Muscatine County, A to Z
- Air-emissions sources in Iowa
- Every source record in Iowa, A to Z
Figures from EPA’s ICIS-AIR download, loaded September 14, 2026.