Clean Water Act discharge permit · NPDES MO0057444
STEELE WWTF, Steele, MO: NPDES MO0057444 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 12Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
STEELE WWTF, held by City of Steele, holds NPDES permit MO0057444, which discharges to Tributary To Main Ditch. EPA’s file records it issued January 29, 2018 and expiring March 31, 2021. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | STEELE WWTF |
|---|---|
| Permittee as filed | City of Steele |
| NPDES ID | MO0057444 |
| 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 | January 29, 2018 |
| Expiration date | March 31, 2021 |
| Address | Steele, MO 63877 |
| Receiving water | Tributary to Main Ditch |
| Subwatershed | Main Ditch No 6 (HUC 080202040706) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 14Pollutants on file
- 12Under a numeric limit
- 14With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 2 | 165 | 140 | July 31, 2026 | 278% over the limit |
| Solids, suspended percent removal | 1 | 60 | 50 | July 31, 2026 | 186% over the limit |
| BOD, 5-day, percent removal | 1 | 46 | 36 | April 30, 2026 | 186% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 45 | 20 | March 31, 2022 | 333% over the limit |
| pH | 1 | 81 | 6 | July 31, 2026 | |
| Oil and grease [soxhlet extr.] tot. | 2 | 16 | 2 | December 31, 2017 | 10% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 22 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 20 | 0 | ||
| Phosphorus, total [as P] | 2 | 8 | 0 | ||
| Nitrogen, total [as N] | 2 | 4 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 2 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 2 | 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
- 14Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 10, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| October 23, 2025 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| October 23, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| December 30, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| April 5, 2023 | Effluent Violations - Numeric effluent violation | ST6 |
| December 27, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
| June 30, 2021 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| March 31, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| October 9, 2020 | Effluent Violations - Numeric effluent violation | ST6 |
| December 31, 2019 | Effluent Violations - Numeric effluent violation | ST6 |
| November 26, 2019 | Permit Violations - Violation Specified in Comment | ST6 |
| November 26, 2019 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| November 26, 2019 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| September 24, 2019 | 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.
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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 MO0057444 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.