Clean Water Act discharge permit · NPDES MO0129127
KLONDIKE PARK WWTP, Augusta, MO: NPDES MO0129127 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
KLONDIKE PARK WWTP, held by St. Charles County, holds NPDES permit MO0129127, which discharges to Tributary To Missouri River. EPA’s file records it issued December 30, 2016 and expiring June 30, 2021. 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 | KLONDIKE PARK WWTP |
|---|---|
| Permittee as filed | St. Charles County |
| NPDES ID | MO0129127 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | December 30, 2016 |
| Expiration date | June 30, 2021 |
| Address | Augusta, MO 63332 |
| Receiving water | Tributary to Missouri River |
| Subwatershed | Labadie Creek-Missouri River (HUC 103002000603) |
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
- 1With 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, suspended percent removal | 0 | 1 | 1 | March 31, 2023 | 113% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 12 | 0 | ||
| Solids, total suspended | 3 | 12 | 0 | ||
| Oxygen, dissolved [DO] | 4 | 8 | 0 | ||
| Nitrogen, ammonia total [as N] | 4 | 8 | 0 | ||
| Chlorine, total residual | 4 | 8 | 0 | ||
| E. coli | 4 | 8 | 0 | ||
| pH | 2 | 8 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 8 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 8 | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 30, 2023 | Effluent Violations - Numeric effluent violation | ST6 |
| June 30, 2022 | 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.
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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 MO0129127 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.