NPDES MO0093513 · Clean Water Act
HANNIBAL WWTP, Hannibal, MO: NPDES MO0093513 discharge permit, effluent exceedances, inspections, penalties
HANNIBAL WWTP, Hannibal, Missouri: Individual permit MO0093513, held by Hannibal Board of Public Works; Publicly owned treatment works; Effective; issued April 18, 2018, term to April 30, 2023; discharges to Mississippi River.
- BOD, 5-day, 20 deg. C: 0 limits, 100 violations of any kind, 8 effluent exceedances, latest March 31, 2019, largest 42% over the limit.
- Solids, total suspended: 0 limits, 97 violations of any kind, 5 effluent exceedances, latest March 31, 2018, largest 64% over the limit.
- BOD, 5-day, percent removal: 0 limits, 5 violations of any kind, 5 effluent exceedances, latest June 30, 2019, largest 58% over the limit.
- Solids, suspended percent removal: 0 limits, 2 violations of any kind, 2 effluent exceedances, latest April 30, 2019, largest 39% over the limit.
- Ammonia [as N] + unionized ammonia: 0 limits, 78 violations of any kind, 1 effluent exceedance, latest October 31, 2005, largest 454% over the limit.
- pH: 0 limits, 39 violations of any kind, 1 effluent exceedance, latest August 31, 2011.
- E. coli: 0 limits, 1 violation of any kind, 1 effluent exceedance, latest September 30, 2019, largest 284% over the limit.
- Oil and grease [soxhlet extr.] tot.: 0 limits, 96 violations of any kind.
- Chlorine, total residual: 0 limits, 24 violations of any kind.
- Nitrogen, ammonia total [as N]: 0 limits, 14 violations of any kind.
- Flow, in conduit or thru treatment plant: 0 limits, 12 violations of any kind.
- E. coli, colony forming units [CFU]: 0 limits, 6 violations of any kind.
- Pass/Fail Static 48Hr Acute Ceriodaphnia dubia: 0 limits, 6 violations of any kind.
- LC50 Static 48Hr Acute Pimephales promelas: 0 limits, 6 violations of any kind.
- Hardness, total [as CaCO3]: 0 limits, 4 violations of any kind.
- Zinc, total recoverable: 0 limits, 4 violations of any kind.
- Lead, total recoverable: 0 limits, 4 violations of any kind.
- Copper, total recoverable: 0 limits, 4 violations of any kind.
- Phenols: 0 limits, 4 violations of any kind.
- Coliform, fecal, colony forming units: 0 limits, 2 violations of any kind.
- LC50 Static 48Hr Acute Ceriodaphnia dubia: 0 limits, 2 violations of any kind.
- LC50 Static 48Hr Acute Pimephales promelas: 0 limits, 2 violations of any kind.
- September 15, 2026: Permit Violations - Violation Specified in Comment (ST6).
- September 8, 2026: Permit Violations - Violation Specified in Comment (ST6).
- August 19, 2026: Evaluation (S).
- November 14, 2019: Reporting Violations - Improper/ Incorrect Reporting (ST6).
- November 14, 2019: Permit Violations - Violation Specified in Comment (ST6).
Missouri holds 756 Publicly owned treatment works coverages of this permit type in EPA’s file; 354 were issued before MO0093513. Hannibal Board of Public Works holds 2 permits in Missouri.
Other permits held by Hannibal Board of Public Works
- HANNIBAL PHASE II MS4, Hannibal: MOR04C005, issued 2021-10-01
Coverages issued nearest MO0093513
- 2018-03-20: BLACKWATER WWTF, Blackwater: MO0101648, held by City of Blackwater
- 2018-03-26: HIGH HILL WWTF, High Hill: MO0102083, held by City of High Hill
- 2018-03-27: BOSWORTH WWTF, Bosworth: MO0135607, held by City of Bosworth
- 2018-04-05: EXETER WWTP, Exeter: MO0086291, held by City of Exeter
- 2018-04-18: JCPSD BROOKSTONE WWTF, Festus: MO0045713, held by Brookstone Estates Homeowners Assn
- 2018-04-18: EDINA WWTF, Edina: MO0099171, held by City of Edina
- 2018-04-23: HIGHVIEW SUBDIVISION WEST WWTF, Fulton: MO0112224, held by Highview Subdivision Homeowners
- 2018-04-23: MONROE COUNTY PWSD 2 HOLLIDAY WWTF, Holliday: MO0126951, held by Monroe Co. PWSD #2
- 2018-04-24: FCPWSD 1 CARDINAL MEADOWS SUBD WWTP, Washington: MO0121894, held by Franklin County PWSD No 1
- 2018-04-24: POTOSI WASTEWATER TREATMENT PLANT #3, Potosi: MO0127566, held by Industrial Devel Auth of Washington Cnty
HANNIBAL WWTP among its neighbors
30 discharge permits are in the Bear Creek subwatershed (HUC 071100040501); MO0093513 is one. Its county: 67, 2 major; MO0093513 is major permit.
Other permits in the Bear Creek subwatershed (HUC 071100040501)
- AYERCO #44, ROCKET STATION, Palmyra: MOG823070, minor, term to 2027-08-24
- BLEIGH READY MIX COMPANY B1, Hannibal: MOG490589, minor, term to 2022-04-30
- BLUFF CITY METAL RECYCLING, LLC, Hannibal: MOR60A449, minor, term to 2023-12-11
- CITY OF HANNIBAL, Hannibal: MOL093513, minor, term to 2025-12-31
- CONSOLIDATED MACHINE AND WELDING, Hannibal: MOR203342, minor, term to 2024-08-31
- DOUGLASS COMMUNITY CENTER, Hannibal: MORA24757, minor, term to 2027-02-07
- EMC HANNIBAL - PLANT 81, Hannibal: MOG490623, minor, term to 2022-04-30
- EMERY SAPP AND SONS - SALE SITE, Hannibal: MOG491188, minor, term to 2022-04-30
- ENDURO INDUSTRIES LLC, Hannibal: MONX00314, minor, term to 2024-09-19
- ENNIS-FLINT, INC., Hannibal: MONX00936, minor, term to 2028-08-17
Identity
| Facility | HANNIBAL WWTP |
|---|---|
| Permittee | Hannibal Board of Public Works |
| NPDES ID | MO0093513 |
| Status | Effective |
| Type | Individual permit |
| Class | Major |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | April 18, 2018 |
| Expires | April 30, 2023 |
| Address | Hannibal, MO 63401 |
| Receiving water | Mississippi River |
| Subwatershed | Bear Creek (HUC 071100040501) |
| Program components on file | Biosolids, POTW, Pretreatment |
| SIC | 4952 – Sewerage Systems |
NPDES MO0093513: effluent limits and exceedances
HANNIBAL WWTP (NPDES MO0093513): 22 pollutants on file, 0 limited; 22 with a violation of any kind, 7 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 0 | 100 | 8 | March 31, 2019 | 42% over the limit |
| Solids, total suspended | 0 | 97 | 5 | March 31, 2018 | 64% over the limit |
| BOD, 5-day, percent removal | 0 | 5 | 5 | June 30, 2019 | 58% over the limit |
| Solids, suspended percent removal | 0 | 2 | 2 | April 30, 2019 | 39% over the limit |
| Ammonia [as N] + unionized ammonia | 0 | 78 | 1 | October 31, 2005 | 454% over the limit |
| pH | 0 | 39 | 1 | August 31, 2011 | |
| E. coli | 0 | 1 | 1 | September 30, 2019 | 284% over the limit |
| Oil and grease [soxhlet extr.] tot. | 0 | 96 | 0 | ||
| Chlorine, total residual | 0 | 24 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 14 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 12 | 0 | ||
| E. coli, colony forming units [CFU] | 0 | 6 | 0 | ||
| Pass/Fail Static 48Hr Acute Ceriodaphnia dubia | 0 | 6 | 0 | ||
| LC50 Static 48Hr Acute Pimephales promelas | 0 | 6 | 0 | ||
| Hardness, total [as CaCO3] | 0 | 4 | 0 | ||
| Zinc, total recoverable | 0 | 4 | 0 | ||
| Lead, total recoverable | 0 | 4 | 0 | ||
| Copper, total recoverable | 0 | 4 | 0 | ||
| Phenols | 0 | 4 | 0 | ||
| Coliform, fecal, colony forming units | 0 | 2 | 0 | ||
| LC50 Static 48Hr Acute Ceriodaphnia dubia | 0 | 2 | 0 | ||
| LC50 Static 48Hr Acute Pimephales promelas | 0 | 2 | 0 |
NPDES MO0093513: inspections, violations and enforcement
NPDES MO0093513: 4 single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 15, 2026 | Permit Violations - Violation Specified in Comment | ST6 |
| September 8, 2026 | Permit Violations - Violation Specified in Comment | ST6 |
| November 14, 2019 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| November 14, 2019 | Permit Violations - Violation Specified in Comment | ST6 |
NPDES MO0093513: 1 inspection
| Date | What EPA recorded | Agency |
|---|---|---|
| August 19, 2026 | Evaluation | S |
NPDES MO0093513 (HANNIBAL WWTP): no formal enforcement action and informal enforcement action on file.
Watch NPDES MO0093513
NPDES MO0093513: one email when its EPA record changes — $99/month.
Permits near NPDES MO0093513
NPDES MO0093513: 22 pollutant rows, 5 dated events; ICIS-NPDES download, loaded October 14, 2026.