Clean Water Act discharge permit · NPDES MO0098981
GRAY SUMMIT WWTF, Gray Summit, MO: NPDES MO0098981 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
GRAY SUMMIT WWTF, held by The Labadie Cr WS Sewer Dist Franklin Co, holds NPDES permit MO0098981, which discharges to Tributary To Trib. To Labadie Cr.. EPA’s file records it issued May 3, 2017 and expiring June 30, 2021. 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 | GRAY SUMMIT WWTF |
|---|---|
| Permittee as filed | The Labadie Cr WS Sewer Dist Franklin Co |
| NPDES ID | MO0098981 |
| 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 3, 2017 |
| Expiration date | June 30, 2021 |
| Address | Gray Summit, MO 63039 |
| Receiving water | Tributary to Trib. to Labadie Cr. |
| Subwatershed | Labadie Creek-Missouri River (HUC 103002000603) |
| SIC | 4952 – Sewerage Systems |
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
- 10Pollutants on file
- 9Under a numeric limit
- 10With 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 |
|---|---|---|---|---|---|
| Ammonia [as N] + unionized ammonia | 0 | 189 | 183 | May 31, 2017 | 1,321% over the limit |
| Nitrogen, ammonia total [as N] | 2 | 125 | 75 | July 31, 2026 | 5,413% over the limit |
| Solids, total suspended | 2 | 111 | 48 | May 31, 2026 | 291% over the limit |
| E. coli | 2 | 56 | 30 | July 31, 2026 | 4,900% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 75 | 14 | February 28, 2025 | 150% over the limit |
| Solids, suspended percent removal | 1 | 30 | 10 | June 30, 2026 | 186% over the limit |
| Oil and grease [soxhlet extr.] tot. | 2 | 59 | 5 | April 30, 2026 | 280% over the limit |
| pH | 1 | 76 | 2 | May 31, 2026 | |
| BOD, 5-day, percent removal | 1 | 21 | 1 | March 31, 2026 | 23% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 50 | 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 |
|---|---|---|
| October 28, 2025 | Reporting Violations - Failure to Submit DMRs | ST6 |
| December 20, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| August 2, 2024 | Reporting Violations - Failure to Submit DMRs | ST6 |
| December 14, 2023 | Effluent Violations - Numeric effluent violation | ST6 |
| November 20, 2023 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| November 2, 2020 | Permit Violations - Violation Specified in Comment | 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.
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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 MO0098981 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.