Clean Water Act discharge permit · NPDES MO0091146
CHULA WWTF, Chula, MO: NPDES MO0091146 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
CHULA WWTF, held by City of Chula, holds NPDES permit MO0091146, which discharges to Tributary To Medicine Creek. EPA’s file records it issued May 14, 2018 and expiring September 30, 2022. 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 | CHULA WWTF |
|---|---|
| Permittee as filed | City of Chula |
| NPDES ID | MO0091146 |
| 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 14, 2018 |
| Expiration date | September 30, 2022 |
| Address | Chula, MO 64635 |
| Receiving water | Tributary to Medicine Creek |
| Subwatershed | Sapp Branch-Medicine Creek (HUC 102801030302) |
| 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
- 11Pollutants on file
- 10Under a numeric limit
- 11With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 2 | 39 | 2 | May 31, 2010 | 400% over the limit |
| pH | 1 | 43 | 1 | August 31, 2009 | |
| Oil and grease [soxhlet extr.] tot. | 2 | 19 | 1 | November 30, 2021 | 26% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 39 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 24 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 14 | 0 | ||
| E. coli | 0 | 8 | 0 | ||
| BOD, 5-day, percent removal | 1 | 6 | 0 | ||
| Solids, suspended percent removal | 1 | 6 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 1 | 1 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 1 | 1 | 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 |
|---|---|---|
| July 18, 2025 | Reporting Violations - Failure to Submit DMRs | ST6 |
| July 18, 2025 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| March 28, 2025 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| June 30, 2023 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| June 30, 2023 | Effluent Violations - Numeric effluent violation | ST6 |
| December 28, 2018 | Reporting Violations - Failure to Submit DMRs | 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 MO0091146 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.