Clean Water Act discharge permit · NPDES MO0092517
RICH HILL WWTF, Rich Hill, MO: NPDES MO0092517 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 13Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
RICH HILL WWTF, held by City of Rich Hill, holds NPDES permit MO0092517, which discharges to Park Branch. EPA’s file records it issued November 29, 2017 and expiring September 30, 2022. 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 | RICH HILL WWTF |
|---|---|
| Permittee as filed | City of Rich Hill |
| NPDES ID | MO0092517 |
| 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 29, 2017 |
| Expiration date | September 30, 2022 |
| Address | Rich Hill, MO 64779 |
| Receiving water | Park Branch |
| Subwatershed | Parker Branch-Maraies Des Cygnes River (HUC 102901020604) |
| 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
- 15Pollutants on file
- 13Under a numeric limit
- 15With a violation of any kind
- 6With 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 |
|---|---|---|---|---|---|
| E. coli | 2 | 64 | 62 | July 31, 2026 | 99,999% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 42 | 36 | July 31, 2026 | 1,715% over the limit |
| BOD, 5-day, percent removal | 1 | 12 | 10 | November 30, 2025 | 233% over the limit |
| pH | 2 | 20 | 8 | November 30, 2021 | |
| Solids, suspended percent removal | 1 | 6 | 5 | September 30, 2025 | 99,999% over the limit |
| Solids, total suspended | 2 | 7 | 1 | August 31, 2008 | 33% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 7 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 6 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 6 | 0 | ||
| Nitrogen, total [as N] | 2 | 2 | 0 | ||
| Phosphorus, total [as P] | 2 | 2 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 1 | 1 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 1 | 1 | 0 | ||
| Pass/Fail Static 48Hr Acute Ceriodaphnia dubia | 0 | 1 | 0 | ||
| LC50 Static 48Hr Acute Pimephales promelas | 0 | 1 | 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 |
|---|---|---|
| May 24, 2021 | Permit Violations - Violation Specified in Comment | ST6 |
| December 18, 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
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, MO0092517.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 MO0092517 there.
Nearby on the register
- Discharge permits in Rich Hill
- Every permit record in Rich Hill, A to Z
- Discharge permits in Missouri
- Every permit record in Missouri, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.