Clean Water Act discharge permit · NPDES MO0127655
HILLSBORO JAMESTOWN MHP WWTF, Hillsboro, MO: NPDES MO0127655 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
HILLSBORO JAMESTOWN MHP WWTF, held by City of Hillsboro, holds NPDES permit MO0127655, which discharges to Murril Branch. EPA’s file records it issued July 1, 2017 and expiring September 30, 2021. 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 | HILLSBORO JAMESTOWN MHP WWTF |
|---|---|
| Permittee as filed | City of Hillsboro |
| NPDES ID | MO0127655 |
| 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 | July 1, 2017 |
| Expiration date | September 30, 2021 |
| Address | Hillsboro, MO 63050 |
| Receiving water | Murril Branch |
| Subwatershed | Middle Joachim Creek (HUC 071401010802) |
| Program components on file | Biosolids, POTW |
| 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
- 9Pollutants on file
- 9Under a numeric limit
- 5With a violation of any kind
- 2With 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, 20 deg. C | 2 | 4 | 2 | April 30, 2006 | 443% over the limit |
| pH | 2 | 3 | 1 | December 31, 2018 | |
| Flow, in conduit or thru treatment plant | 2 | 4 | 0 | ||
| Solids, total suspended | 2 | 2 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 2 | 0 | ||
| Nitrogen, ammonia total [as N] | 4 | 0 | 0 | ||
| E. coli | 2 | 0 | 0 | ||
| BOD, 5-day, percent removal | 1 | 0 | 0 | ||
| Solids, suspended percent removal | 1 | 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
- 5Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 26, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| March 26, 2025 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| September 26, 2023 | Effluent Violations - Numeric effluent violation | ST6 |
| September 26, 2023 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| May 19, 2017 | Effluent Violations - Narrative 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 MO0127655 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.