Clean Air Act stationary source · ICIS-AIR SD0000004604900001
NORTHWESTERN ENERGY PUBLIC SERVICE CORPORATION - FAULKTON, Faulkton, SD: Clean Air Act compliance record, inspections, violations, penalties
- OperatingOperating status
- Major sourceEmissions classification
- No Violation IdentifiedCurrent violation status, as filed
- 9Compliance evaluations since January 1, 2017
- 0High-priority violations since January 1, 2017
- 0Formal enforcement actions since January 1, 2017
NORTHWESTERN ENERGY PUBLIC SERVICE CORPORATION - FAULKTON, at 306 5TH AVENUE, Faulkton in Faulk County, South Dakota, 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”. 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 | NORTHWESTERN ENERGY PUBLIC SERVICE CORPORATION - FAULKTON |
|---|---|
| ICIS-AIR ID | SD0000004604900001 |
| EPA facility registry ID | 110017786519 |
| Operating status | Operating |
| Emissions classification | Major source |
| Current violation status (ICIS-AIR high-priority violation field) | No Violation Identified |
| Address | 306 5TH AVENUE, Faulkton, SD 57438 |
| County | Faulk County |
| In a nonattainment county | No (EPA Green Book) |
| Industry (NAICS) | Utilities (NAICS 2211) |
| SIC code | 4911 |
| EPA region | 08 |
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 NORTHWESTERN ENERGY PUBLIC SERVICE CORPORATION - FAULKTON 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
- 9Evaluations since January 1, 2017
- 9Full compliance evaluations
| Date | What EPA recorded | Agency | Programs |
|---|---|---|---|
| June 16, 2026 | FCE On-Site | State | Title V Permits |
| June 16, 2026 | FCE On-Site | State | 40 CFR Part 63 Area Sources |
| May 29, 2025 | FCE On-Site | State | Title V Permits |
| May 24, 2023 | FCE On-Site | State | Title V Permits |
| August 16, 2022 | FCE On-Site | State | Title V Permits |
| August 17, 2021 | FCE On-Site | State | Title V Permits |
| July 11, 2019 | FCE On-Site | State | 40 CFR Part 63 Area Sources |
| July 24, 2018 | FCE On-Site | State | Title V Permits |
| August 17, 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 SD0000004604900001 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 SD0000004604900001 since January 1, 2017.
Stack tests
- 2Stack tests since January 1, 2017
- 0Recorded as failed
| Date | What EPA recorded | Agency |
|---|---|---|
| May 17, 2023 | Pass | State |
| May 21, 2020 | Pass | State |
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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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 110017786519 there.
Nearby on the register
Figures from EPA’s ICIS-AIR download, loaded September 14, 2026.