Clean Water Act discharge permit · NPDES MO0128571
CALEDONIA WWTF, Caledonia, MO: NPDES MO0128571 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
CALEDONIA WWTF, held by Village of Caledonia, holds NPDES permit MO0128571, which discharges to Tributary To Goose Cr.. EPA’s file records it issued May 22, 2018 and expiring December 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 | CALEDONIA WWTF |
|---|---|
| Permittee as filed | Village of Caledonia |
| NPDES ID | MO0128571 |
| 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, 2018 |
| Expiration date | December 31, 2022 |
| Address | Caledonia, MO 63631 |
| Receiving water | Tributary to Goose Cr. |
| Subwatershed | Cedar Creek (HUC 071401040104) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 10Pollutants on file
- 9Under a numeric limit
- 10With a violation of any kind
- 5With 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, percent removal | 1 | 8 | 5 | December 31, 2025 | 114% over the limit |
| Solids, suspended percent removal | 1 | 7 | 4 | December 31, 2025 | 186% over the limit |
| Coliform, fecal general | 0 | 4 | 4 | June 30, 2014 | 1,350% over the limit |
| E. coli | 2 | 15 | 3 | June 30, 2022 | 531% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 9 | 1 | June 30, 2026 | 22% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 10 | 0 | ||
| Solids, total suspended | 2 | 10 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 10 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 8 | 0 | ||
| pH | 1 | 6 | 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 |
|---|---|---|
| April 3, 2026 | Effluent Violations - Numeric effluent violation | ST6 |
| December 10, 2025 | Reporting Violations - Failure to Submit DMRs | ST6 |
| September 11, 2025 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| April 5, 2023 | Effluent Violations - Numeric effluent violation | ST6 |
| May 6, 2022 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| September 11, 2019 | Reporting Violations - Improper/ Incorrect Reporting | 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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MO0128571.
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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 MO0128571 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.