Clean Water Act discharge permit · NPDES MO0122564
NORWOODS SUBDIVISION WWTF, Hannibal, MO: NPDES MO0122564 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 15Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
NORWOODS SUBDIVISION WWTF, held by RALLS COUNTY WATER DISTRICT #1, INC., holds NPDES permit MO0122564, which discharges to Tributary To Little Bear Creek. EPA’s file records it issued March 12, 2025 and expiring March 31, 2030. 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 | NORWOODS SUBDIVISION WWTF |
|---|---|
| Permittee as filed | RALLS COUNTY WATER DISTRICT #1, INC. |
| NPDES ID | MO0122564 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | March 12, 2025 |
| Expiration date | March 31, 2030 |
| Address | Hannibal, MO 63401 |
| Receiving water | Tributary to Little Bear Creek |
| Subwatershed | Bear Creek (HUC 071100040501) |
| 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
- 21Pollutants on file
- 15Under a numeric limit
- 19With a violation of any kind
- 9With 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] | 8 | 36 | 36 | June 30, 2026 | 1,559% over the limit |
| E. coli | 2 | 12 | 12 | June 30, 2025 | 1,075% over the limit |
| E. coli, colony forming units [CFU] | 0 | 9 | 9 | September 30, 2017 | 4,854,269% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 8 | 8 | December 31, 2025 | 148% over the limit |
| Coliform, fecal general | 0 | 6 | 6 | September 30, 2013 | 99,999% over the limit |
| Solids, total suspended | 3 | 3 | 3 | September 30, 2015 | 243% over the limit |
| pH | 2 | 3 | 3 | December 31, 2017 | |
| BOD, 5-day, percent removal | 1 | 1 | 1 | March 31, 2026 | 567% over the limit |
| Solids, suspended percent removal | 1 | 1 | 1 | March 31, 2026 | 567% over the limit |
| Spray irrigation | 2 | 26 | 0 | ||
| Rainfall | 2 | 23 | 0 | ||
| Application rate area sprayed | 2 | 22 | 0 | ||
| Application rate, gallons spray irrigation | 2 | 17 | 0 | ||
| Spray irrigation, application rate | 2 | 14 | 0 | ||
| Depth to water level ft below landsurface | 0 | 10 | 0 | ||
| Freeboard | 1 | 7 | 0 | ||
| Application daily spray irrigation | 0 | 4 | 0 | ||
| Flow rate | 0 | 2 | 0 | ||
| Flow, gallons/batch | 0 | 2 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MO0122564.
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 MO0122564 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.