Clean Water Act discharge permit · NPDES MOG500040
HERMANN SAND AND GRAVEL INC, Hermann, MO: NPDES MOG500040 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
HERMANN SAND AND GRAVEL INC, held by GERALD ENGEMANN/PRESIDENT, holds NPDES permit MOG500040, which discharges to Tributary To Missouri R.. EPA’s file records it issued September 14, 2017 and expiring May 22, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | HERMANN SAND AND GRAVEL INC |
|---|---|
| Permittee as filed | GERALD ENGEMANN/PRESIDENT |
| NPDES ID | MOG500040 |
| 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 | September 14, 2017 |
| Expiration date | May 22, 2022 |
| Address | Hermann, MO 65041 |
| Receiving water | Tributary to Missouri R. |
| Subwatershed | Frene Creek-Missouri River (HUC 103002000301) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 5Pollutants on file
- 0Under a numeric limit
- 5With a violation of any kind
- 1With 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 | 0 | 27 | 1 | December 31, 2022 | |
| Solids, settleable | 0 | 28 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 22 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 0 | 18 | 0 | ||
| Solids, total suspended | 0 | 16 | 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 |
|---|---|---|
| April 4, 2023 | Reporting Violations - Failure to Submit DMRs | 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
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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 MOG500040 there.
Nearby on the register
- Discharge permits in Hermann
- Every permit record in Hermann, A to Z
- Discharge permits in Missouri
- Every permit record in Missouri, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.