Clean Water Act discharge permit · NPDES MOG130010
MDC MARAMEC SPRING HATCHERY, St James, MO: NPDES MOG130010 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
MDC MARAMEC SPRING HATCHERY, held by MO DEPT OF CONSERVATION, holds NPDES permit MOG130010, which discharges to Tributary To Meramec R.. EPA’s file records it issued March 1, 2019 and expiring February 18, 2024. 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 | MDC MARAMEC SPRING HATCHERY |
|---|---|
| Permittee as filed | MO DEPT OF CONSERVATION |
| NPDES ID | MOG130010 |
| 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 | March 1, 2019 |
| Expiration date | February 18, 2024 |
| Address | St James, MO 65559 |
| Receiving water | Tributary to Meramec R. |
| Subwatershed | Asher Hollow-Meramec River (HUC 071401020209) |
| SIC | 0921 – Fish Hatcheries And Preserves |
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
- 5Pollutants on file
- 5Under 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 | 4 | 11 | 1 | September 30, 2009 | |
| Flow, in conduit or thru treatment plant | 4 | 12 | 0 | ||
| BOD, 5-day, 20 deg. C | 4 | 8 | 0 | ||
| Solids, total suspended | 4 | 8 | 0 | ||
| Phosphorus, total [as P] | 4 | 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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| November 13, 2023 | WW Storm Water Construction - Failure to develop any or adequate SWPPP/SWMP | ST6 |
| November 1, 2017 | Permit Violations - Violation Specified in Comment | ST6 |
| November 1, 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
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, MOG130010.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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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 MOG130010 there.
Nearby on the register
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- Every permit record in Missouri, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.