Clean Water Act discharge permit · NPDES MO0109568
IRONDALE WWTF, Irondale, MO: NPDES MO0109568 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
IRONDALE WWTF, held by City of Irondale, holds NPDES permit MO0109568, which discharges to Tributary To Big River. EPA’s file records it issued October 14, 2016 and expiring June 30, 2018. 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 | IRONDALE WWTF |
|---|---|
| Permittee as filed | City of Irondale |
| NPDES ID | MO0109568 |
| 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 | October 14, 2016 |
| Expiration date | June 30, 2018 |
| Address | Irondale, MO 63648 |
| Receiving water | Tributary to Big River |
| Subwatershed | Wallen Creek-Big River (HUC 071401040106) |
| 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
- 16Pollutants on file
- 8Under a numeric limit
- 16With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| Spray irrigation | 9 | 139 | 0 | ||
| Application rate area sprayed | 9 | 137 | 0 | ||
| Application rate, gallons spray irrigation | 9 | 135 | 0 | ||
| Spray irrigation, application rate | 9 | 135 | 0 | ||
| Rainfall | 1 | 17 | 0 | ||
| BOD, 5-day, 20 deg. C | 0 | 12 | 0 | ||
| pH | 0 | 12 | 0 | ||
| Solids, total suspended | 0 | 12 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 0 | 12 | 0 | ||
| Freeboard | 1 | 8 | 0 | ||
| Coliform, fecal general | 0 | 6 | 0 | ||
| Nitrogen, nitrate total [as N] | 1 | 4 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 4 | 0 | ||
| Flow rate | 0 | 2 | 0 | ||
| Flow, gallons/batch | 0 | 2 | 0 | ||
| Depth to water level ft below landsurface | 0 | 2 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MO0109568.
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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 27, 2021 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| March 18, 2021 | Reporting Violations - Failure to Submit DMRs | ST6 |
| June 30, 2020 | 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 MO0109568 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.