Clean Water Act discharge permit · NPDES MO0135623
SHO-ME POWER WWTP, Marshfield, MO: NPDES MO0135623 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
SHO-ME POWER WWTP, held by Sho-Me Power Electric Co-op, holds NPDES permit MO0135623, which discharges to E. Fk. Niangua R.. EPA’s file records it issued May 11, 2015 and expiring September 30, 2018. 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 | SHO-ME POWER WWTP |
|---|---|
| Permittee as filed | Sho-Me Power Electric Co-op |
| NPDES ID | MO0135623 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | May 11, 2015 |
| Expiration date | September 30, 2018 |
| Issuing agency | MODNR-Water Protection Program |
| Address | Marshfield, MO 65706 |
| Receiving water | E. Fk. Niangua R. |
| Subwatershed | Headwaters Niangua River (HUC 102901100101) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 13Pollutants on file
- 10Under a numeric limit
- 7With a violation of any kind
- 6With 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 |
|---|---|---|---|---|---|
| Nitrite + Nitrate total [as N] | 0 | 8 | 8 | March 31, 2015 | 70% over the limit |
| Coliform, fecal general | 0 | 5 | 5 | October 31, 2014 | 99,999% over the limit |
| pH | 2 | 2 | 2 | December 31, 2022 | |
| BOD, 5-day, 20 deg. C | 2 | 1 | 1 | April 30, 2011 | 22% over the limit |
| E. coli | 2 | 1 | 1 | March 31, 2019 | 448% over the limit |
| Ammonia [as N] + unionized ammonia | 0 | 1 | 1 | February 28, 2014 | 28% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 2 | 0 | ||
| Nitrogen, ammonia total [as N] | 4 | 0 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 0 | 0 | ||
| Solids, total suspended | 2 | 0 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 0 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 1 | 0 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 1 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MO0135623.
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 MO0135623 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.