Clean Water Act discharge permit · NPDES MO0094200
LAKE HANNIBAL ESTATE WWTF, Rensselaer, MO: NPDES MO0094200 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
LAKE HANNIBAL ESTATE WWTF, held by PWSD #1 of Ralls County, holds NPDES permit MO0094200, which discharges to Tributary To Big Creek. EPA’s file records it issued July 8, 2016 and expiring June 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 | LAKE HANNIBAL ESTATE WWTF |
|---|---|
| Permittee as filed | PWSD #1 of Ralls County |
| NPDES ID | MO0094200 |
| 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 8, 2016 |
| Expiration date | June 30, 2021 |
| Address | Rensselaer, MO 63401 |
| Receiving water | Tributary to Big Creek |
| Subwatershed | Big Creek-Salt River (HUC 071100070302) |
| 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
- 8Pollutants on file
- 7Under a numeric limit
- 8With 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 |
|---|---|---|---|---|---|
| Oxygen, dissolved [DO] | 4 | 13 | 7 | May 31, 2013 | 58% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 11 | 7 | December 31, 2025 | 889% over the limit |
| E. coli | 8 | 10 | 6 | September 30, 2024 | 1,075% over the limit |
| pH | 2 | 9 | 5 | June 30, 2010 | |
| BOD, 5-day, 20 deg. C | 3 | 12 | 3 | June 30, 2023 | 176% over the limit |
| Solids, total suspended | 3 | 9 | 3 | March 31, 2023 | 70% over the limit |
| Oil and grease [soxhlet extr.] tot. | 0 | 1 | 1 | July 31, 2010 | 7% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 4 | 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
- 11Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 31, 2026 | Effluent Violations - Numeric effluent violation | ST6 |
| March 28, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| November 17, 2023 | Permit Violations - Violation Specified in Comment | ST6 |
| November 17, 2023 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| November 17, 2023 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| November 17, 2023 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| November 17, 2023 | Effluent Violations - Numeric effluent violation | ST6 |
| June 21, 2018 | Permit Violations - Violation Specified in Comment | ST6 |
| June 21, 2018 | Effluent Violations - Numeric effluent violation | ST6 |
| June 21, 2018 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| June 21, 2018 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | 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 MO0094200 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.