Clean Water Act discharge permit · NPDES MOG350281
GIER OIL COMPANY BOONVILLE, Boonville, MO: NPDES MOG350281 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
GIER OIL COMPANY BOONVILLE, held by Gier Oil Company Inc, holds NPDES permit MOG350281, which discharges to Tributary To Anderson Branch. 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 | GIER OIL COMPANY BOONVILLE |
|---|---|
| Permittee as filed | Gier Oil Company Inc |
| NPDES ID | MOG350281 |
| 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 | Boonville, MO 65233 |
| Receiving water | Tributary to Anderson Branch |
| Subwatershed | Middle Petite Saline Creek (HUC 103001020405) |
| NAICS | 447110 – Gasoline Stations with Convenience Stores |
| SIC | 5171 – Petroleum Bulk Stations & Terminals |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 10Pollutants on file
- 10Under a numeric limit
- 3With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| Benzene | 8 | 2 | 2 | December 31, 2024 | 528% over the limit |
| pH | 4 | 1 | 1 | December 31, 2012 | |
| Oil and grease [soxhlet extr.] tot. | 4 | 1 | 1 | December 31, 2013 | 20% over the limit |
| Toluene | 8 | 0 | 0 | ||
| Xylene [mix of m+o+p] | 8 | 0 | 0 | ||
| Ethylbenzene | 4 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 0 | 0 | ||
| Ethanol | 4 | 0 | 0 | ||
| Hydrocarbons, total petroleum | 4 | 0 | 0 | ||
| Report due [yrmoda] | 2 | 0 | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 28, 2025 | Effluent Violations - Numeric effluent violation | 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.
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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 MOG350281 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.