Clean Water Act discharge permit · NPDES MO0093076
PILOT GROVE EAST WWTF, Pilot Grove, MO: NPDES MO0093076 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
PILOT GROVE EAST WWTF, held by City of Pilot Grove, holds NPDES permit MO0093076, which discharges to Tributary To Petite Saline Cr.. EPA’s file records it issued November 19, 2014 and expiring September 30, 2019. 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 | PILOT GROVE EAST WWTF |
|---|---|
| Permittee as filed | City of Pilot Grove |
| NPDES ID | MO0093076 |
| 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 | November 19, 2014 |
| Expiration date | September 30, 2019 |
| Address | Pilot Grove, MO 65276 |
| Receiving water | Tributary to Petite Saline Cr. |
| Subwatershed | Upper Petite Saline Creek (HUC 103001020403) |
| 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
- 8Under a numeric limit
- 9With a violation of any kind
- 7With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 2 | 28 | 28 | June 30, 2026 | 4,050% over the limit |
| E. coli | 0 | 18 | 18 | June 30, 2026 | 99,999% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 7 | 6 | March 31, 2026 | 433% over the limit |
| Solids, total suspended | 3 | 7 | 6 | March 31, 2022 | 75% over the limit |
| pH | 2 | 4 | 1 | March 31, 2019 | |
| Toxicity [acute], Ceriodaphnia dubia | 1 | 2 | 1 | February 28, 2019 | 2,147,483,650% over the limit |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 1 | 2 | 1 | February 28, 2019 | 2,147,483,650% over the limit |
| BOD, 5-day, percent removal | 0 | 1 | 0 | ||
| Solids, suspended percent removal | 0 | 1 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 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
- 12Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 7, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| March 20, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| March 20, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| December 31, 2020 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| December 31, 2020 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| December 31, 2020 | Effluent Violations - Numeric effluent violation | ST6 |
| December 31, 2020 | Effluent Violations - Narrative Effluent Violation | ST6 |
| December 31, 2020 | Permit Violations - Violation Specified in Comment | ST6 |
| July 9, 2019 | Reporting Violations - Failure to Submit DMRs | ST6 |
| February 10, 2017 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| February 10, 2017 | WW SSO - Failure to report violation that may endanger public health 122.41(l)(7) | ST6 |
| February 10, 2017 | 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 MO0093076 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.