Clean Water Act discharge permit · NPDES MO0027600
GRANT CITY WEST SANITARY LAGOON, Grant City, MO: NPDES MO0027600 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 13Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
GRANT CITY WEST SANITARY LAGOON, held by City of Grant, holds NPDES permit MO0027600, which discharges to Tributary To Marlowe Creek. EPA’s file records it issued May 22, 2017 and expiring March 31, 2022. 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 | GRANT CITY WEST SANITARY LAGOON |
|---|---|
| Permittee as filed | City of Grant |
| NPDES ID | MO0027600 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | May 22, 2017 |
| Expiration date | March 31, 2022 |
| Address | Grant City, MO 64456 |
| Receiving water | Tributary to Marlowe Creek |
| Subwatershed | Marlowe Creek (HUC 102801010303) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 16Pollutants on file
- 13Under a numeric limit
- 14With a violation of any kind
- 9With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 2 | 42 | 31 | September 30, 2024 | 105% over the limit |
| E. coli | 2 | 34 | 24 | May 31, 2026 | 1,330% over the limit |
| Nitrogen, ammonia total [as N] | 2 | 29 | 17 | June 30, 2026 | 790% over the limit |
| Solids, suspended percent removal | 1 | 18 | 11 | January 31, 2026 | 140% over the limit |
| Solids, total suspended | 2 | 20 | 9 | October 31, 2025 | 40% over the limit |
| BOD, 5-day, percent removal | 1 | 13 | 7 | August 31, 2025 | 69% over the limit |
| Coliform, fecal general | 0 | 3 | 3 | June 30, 2013 | 250% over the limit |
| Oil and grease [soxhlet extr.] tot. | 2 | 14 | 2 | June 30, 2026 | 1,610% over the limit |
| pH | 1 | 8 | 2 | May 31, 2011 | |
| Nitrogen, total [as N] | 2 | 18 | 0 | ||
| Phosphorus, total [as P] | 2 | 14 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 12 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 8 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 4 | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 18, 2025 | Reporting Violations - Failure to Submit DMRs | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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 MO0027600 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.