Clean Water Act discharge permit · NPDES MOG350332
SIGNATURE FLIGHT SUPPORT, Berkeley, MO: NPDES MOG350332 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
SIGNATURE FLIGHT SUPPORT, held by Signature Flight Support, holds NPDES permit MOG350332, which discharges to Tributary To Coldwater Creek. EPA’s file records it issued November 1, 2017 and expiring September 17, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | SIGNATURE FLIGHT SUPPORT |
|---|---|
| Permittee as filed | Signature Flight Support |
| NPDES ID | MOG350332 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Industrial stormwater |
| Issued | November 1, 2017 |
| Expiration date | September 17, 2022 |
| Address | Berkeley, MO 63134 |
| Receiving water | Tributary to Coldwater Creek |
| Subwatershed | Headwaters Coldwater Creek (HUC 103002000802) |
| SIC | 5171 – Petroleum Bulk Stations & Terminals |
| Other EPA IDs (FRS) | RCRA handler MOR000550921; ICIS-AIR source MO0000002918901550 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 10Pollutants on file
- 10Under a numeric limit
- 10With a violation of any kind
- 2With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| pH | 2 | 9 | 1 | December 31, 2025 | |
| Oil and grease [soxhlet extr.] tot. | 2 | 9 | 1 | December 31, 2020 | 10% over the limit |
| Toluene | 4 | 8 | 0 | ||
| Benzene | 4 | 8 | 0 | ||
| Xylene [mix of m+o+p] | 4 | 8 | 0 | ||
| Ethylbenzene | 2 | 8 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 8 | 0 | ||
| Ethanol | 2 | 8 | 0 | ||
| Hydrocarbons, total petroleum | 2 | 4 | 0 | ||
| Report due [yrmoda] | 1 | 4 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 5Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| October 20, 2025 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| March 31, 2025 | Reporting Violations - Failure to Submit DMRs | ST6 |
| April 1, 2022 | Reporting Violations - Failure to Submit DMRs | ST6 |
| March 30, 2020 | Reporting Violations - Failure to Submit DMRs | ST6 |
| March 30, 2020 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MOG350332.
Start the watch
- One permit holder — $99/month
- One watershed — $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 permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID MOG350332 there.
Nearby on the register
- Discharge permits in Berkeley
- Every permit record in Berkeley, A to Z
- Discharge permits in Missouri
- Every permit record in Missouri, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.