Clean Water Act discharge permit · NPDES MOG760113
HERMANN MUNICIPAL SWIMMING POOL, Hermann, MO: NPDES MOG760113 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
HERMANN MUNICIPAL SWIMMING POOL, held by CITY OF HERMANN, holds NPDES permit MOG760113, which discharges to Tributary To Frene Cr.. EPA’s file records it issued September 1, 2019 and expiring July 31, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | HERMANN MUNICIPAL SWIMMING POOL |
|---|---|
| Permittee as filed | CITY OF HERMANN |
| NPDES ID | MOG760113 |
| 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 |
| Issued | September 1, 2019 |
| Expiration date | July 31, 2024 |
| Address | Hermann, MO 65041 |
| Receiving water | Tributary to Frene Cr. |
| Subwatershed | Frene Creek-Missouri River (HUC 103002000301) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 8Pollutants on file
- 7Under a numeric limit
- 8With a violation of any kind
- 4With 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 |
|---|---|---|---|---|---|
| Chlorine, total residual | 4 | 126 | 36 | September 30, 2016 | 15,689% over the limit |
| pH | 4 | 113 | 23 | May 31, 2026 | |
| Solids, settleable | 4 | 104 | 14 | August 31, 2021 | 1,050% over the limit |
| Oxygen, dissolved [DO] | 4 | 93 | 5 | August 31, 2022 | 100% over the limit |
| Flow, total | 0 | 56 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 32 | 0 | ||
| Chloride | 2 | 8 | 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
- 6Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 8, 2026 | Effluent Violations - Numeric effluent violation | ST6 |
| September 8, 2026 | Permit Violations - Violation Specified in Comment | ST6 |
| August 23, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| August 23, 2021 | Permit Violations - Violation Specified in Comment | ST6 |
| January 18, 2019 | Effluent Violations - Numeric effluent violation | ST6 |
| March 21, 2017 | 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.
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 MOG760113 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.