Clean Water Act discharge permit · NPDES MO0117960
MOBERLY WWTP, Moberly, MO: NPDES MO0117960 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 25Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
- 0Inspections on file
- 1Formal enforcement actions
MOBERLY WWTP, held by City of Moberly, holds NPDES permit MO0117960, which discharges to Tributary To Coon Creek. EPA’s file records it issued October 9, 2019 and expiring October 31, 2024.
MOBERLY WWTP, Moberly, Missouri: Individual permit MO0117960, held by City of Moberly; Publicly owned treatment works; Effective; issued October 9, 2019, term to October 31, 2024; discharges to Tributary to Coon Creek.
- pH: 2 limits, 17 violations of any kind, 9 effluent exceedances, latest December 31, 2025.
- BOD, 5-day, 20 deg. C: 5 limits, 7 violations of any kind, 5 effluent exceedances, latest January 31, 2023, largest 99,999% over the limit.
- Nitrogen, ammonia total [as N]: 6 limits, 132 violations of any kind, 4 effluent exceedances, latest January 31, 2023, largest 279% over the limit.
- Solids, total suspended: 3 limits, 3 violations of any kind, 3 effluent exceedances, latest September 30, 2025, largest 78% over the limit.
- E. coli: 2 limits, 3 violations of any kind, 3 effluent exceedances, latest September 30, 2025, largest 99,999% over the limit.
- BOD, 5-day, percent removal: 1 limit, 2 violations of any kind, 2 effluent exceedances, latest January 31, 2023, largest 40% over the limit.
- Solids, suspended percent removal: 1 limit, 1 violation of any kind, 1 effluent exceedance, latest October 31, 2022, largest 60% over the limit.
- Ammonia [as N] + unionized ammonia: 0 limits, 299 violations of any kind, 0 effluent exceedances.
- Nickel, dissolved [as Ni]: 0 limits, 240 violations of any kind, 0 effluent exceedances.
- Hardness, total [as CaCO3]: 2 limits, 239 violations of any kind, 0 effluent exceedances.
- Zinc, dissolved [as Zn]: 0 limits, 238 violations of any kind, 0 effluent exceedances.
- Cadmium, dissolved [as Cd]: 0 limits, 237 violations of any kind, 0 effluent exceedances.
- Chromium, dissolved [as Cr]: 0 limits, 235 violations of any kind, 0 effluent exceedances.
- Lead, dissolved [as Pb]: 0 limits, 235 violations of any kind, 0 effluent exceedances.
- Oxygen, dissolved [DO]: 0 limits, 128 violations of any kind, 0 effluent exceedances.
- Pass/Fail Static 48Hr Acute Ceriodaphnia dubia: 0 limits, 3 violations of any kind, 0 effluent exceedances.
- LC50 Static 48Hr Acute Pimephales promelas: 0 limits, 3 violations of any kind, 0 effluent exceedances.
- Nitrogen, Kjeldahl, total [as N]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
- Nitrite + Nitrate total [as N]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
- Phosphorus, total [as P]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
- Temperature, water deg. centigrade: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Oil and grease [soxhlet extr.] tot.: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Cyanide, free [amenable to chlorination]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Nickel, total recoverable: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Silver total recoverable: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Zinc, total recoverable: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Cadmium, total recoverable: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Lead, total recoverable: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Copper, total recoverable: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Chromium, hexavalent dissolved [as Cr]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Chromium, trivalent total recoverable: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Flow, in conduit or thru treatment plant: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Toxicity [acute], Ceriodaphnia dubia: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Toxicity [acute], Pimephales promelas [Fathead Minnow]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- August 7, 2026: State Administrative Order of Consent (State).
- July 15, 2026: Permit Violations - Unapproved Operation (ST6).
- June 21, 2024: Effluent Violations - Numeric effluent violation (ST6).
- June 21, 2024: Permit Violations - Violation Specified in Comment (ST6).
- June 21, 2024: Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) (ST6).
- February 27, 2024: Permit Violations - Unapproved Operation (ST6).
- February 27, 2024: Effluent Violations - Unauthorized Discharge (ST6).
- February 27, 2024: Effluent Violations - Narrative Effluent Violation (ST6).
- September 20, 2023: Effluent Violations - Unauthorized Discharge (ST6).
- April 18, 2023: Permit Violations - Discharge Without a Valid Permit (ST6).
- April 18, 2023: Effluent Violations - Narrative Effluent Violation (ST6).
- June 15, 2022: Reporting Violations - Improper/ Incorrect Reporting (ST6).
- June 15, 2022: Permit Violations - Unapproved Operation (ST6).
- June 15, 2018: Permit Violations - Violation Specified in Comment (ST6).
- June 15, 2018: Reporting Violations - Improper/ Incorrect Reporting (ST6).
- March 7, 2018: Pretreatment - Failure to Develop/Enforce Standards (ST6).
Missouri holds 756 Publicly owned treatment works coverages of this permit type in EPA’s file; 572 were issued before MO0117960. City of Moberly holds 7 permits in Missouri.
Other permits held by City of Moberly
- HERITAGE HILLS GOLF COURSE WWTF, Moberly: MO0095605, issued August 9, 2016
- OMAR N BRADLEY AIRPORT, Moberly: MO0135216, issued December 9, 2015
- MOBERLY AQUATIC CENTER, Moberly: MOG760118, issued September 5, 2014
- MOBERLY PHASE II MS4, Moberly: MOR04C004, issued October 1, 2021
- OMAR N BRADLEY AIRPORT, Moberly: MOR80F054, issued November 4, 2025
- MOBERLY INDUSTRIAL PARK ROAD EXTENSION, Moberly: MORA27144, issued October 2, 2024
Coverages issued nearest MO0117960
- September 25, 2019: BROWNING WWTF, Browning, MO0051616, held by City of Browning
- October 1, 2019: CAPE GIRARDEAU WWTP, Cape Girardeau, MO0136328, held by Cape Girardeau Municipal WWTF
- October 2, 2019: ANNISTON WWTP, Anniston, MO0114928, held by City of Anniston
- October 7, 2019: WEAUBLEAU WWTF, Weaubleau, MO0040860, held by City of Weaubleau
- October 9, 2019: MAWC, STEWARTSVILLE WWTF, Stewartsville, MO0108880, held by MISSOURI-AMERICAN WATER COMPANY
- October 16, 2019: HAYTI WWTF, Hayti, MO0057673, held by City of Hayti
- October 16, 2019: FREMONT HILLS WWTP, Nixa, MO0106151, held by City of Fremont Hills
- October 21, 2019: COLLINS WWTF, Collins, MO0103756, held by Village of Collins
- October 22, 2019: CCSD WWTF #15, Fulton, MO0121274, held by Greenwood Hills Homeowners Association
- October 22, 2019: PCRSD SOUTH GALE WWTP, Smithville, MO0128074, held by Platte County Regional Sewer District
MOBERLY WWTP among its neighbors
EPA’s permit file holds 22 discharge permits in the Coon Creek-Elk Fork Salt River subwatershed (HUC 071100060302), MO0117960 among them. Its county holds 82, 2 of them major permits; MO0117960 is a major permit.
Other permits in the Coon Creek-Elk Fork Salt River subwatershed (HUC 071100060302)
- 06077-1007 MOBERLY WALMART DC, Moberly: MORA28059, minor permit, discharging to Tributary to Elk Fork Salt River, permit term to February 7, 2027
- 06077-1012 MOBERLY WALMART DC, Moberly: MORA29484, minor permit, discharging to Tributary to Elk Fork Salt River, permit term to February 7, 2027
- 6077-509 MOBERLY WALMART DC, Moberly: MORA23535, minor permit, discharging to Smith Br., permit term to February 7, 2027
- AIR EVAC 119 MOBERLY, Moberly: MONX00365, minor permit, permit term to August 29, 2029
- BOMGAARS MISSOURI DISTRIBUTION CENTER, Moberly: MOR80C682, minor permit, discharging to Tributary to Coy Branch, permit term to November 30, 2027
- BOTKINS STORAGE RENTALS AND SALES, LLC, Moberly: MOR80C087, minor permit, discharging to 8-20-13 Mudd V1.0, permit term to November 30, 2027
- BROWN AND ROOT, Moberly: MORA28733, minor permit, permit term to February 7, 2027
- FIRST STUDENT, Moberly: MOR80C345, minor permit, discharging to Tributary to Coy Branch, permit term to November 30, 2022
- FUSSELMAN SALVAGE COMPANY - RR SITE, Moberly: MOR60A386, minor permit, discharging to Tributary to Sugar Creek Lake, permit term to December 11, 2023
- GROUNDWORKS, Moberly: MORA26310, minor permit, discharging to Tributary to Coon Creek, permit term to February 7, 2027
Identity
| Facility as filed | MOBERLY WWTP |
|---|---|
| Permittee as filed | City of Moberly |
| NPDES ID | MO0117960 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | October 9, 2019 |
| Expiration date | October 31, 2024 |
| Address | Moberly, MO 65270 |
| Receiving water | Tributary to Coon Creek |
| Subwatershed | Coon Creek-Elk Fork Salt River (HUC 071100060302) |
| Program components on file | Biosolids, CSO, POTW, Pretreatment |
| SIC | 4952 – Sewerage Systems |
Effluent limits and exceedances
- 34Pollutants on file
- 25Under a numeric limit
- 17With 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 |
|---|---|---|---|---|---|
| pH | 2 | 17 | 9 | December 31, 2025 | |
| BOD, 5-day, 20 deg. C | 5 | 7 | 5 | January 31, 2023 | 99,999% over the limit |
| Nitrogen, ammonia total [as N] | 6 | 132 | 4 | January 31, 2023 | 279% over the limit |
| Solids, total suspended | 3 | 3 | 3 | September 30, 2025 | 78% over the limit |
| E. coli | 2 | 3 | 3 | September 30, 2025 | 99,999% over the limit |
| BOD, 5-day, percent removal | 1 | 2 | 2 | January 31, 2023 | 40% over the limit |
| Solids, suspended percent removal | 1 | 1 | 1 | October 31, 2022 | 60% over the limit |
| Ammonia [as N] + unionized ammonia | 0 | 299 | 0 | ||
| Nickel, dissolved [as Ni] | 0 | 240 | 0 | ||
| Hardness, total [as CaCO3] | 2 | 239 | 0 | ||
| Zinc, dissolved [as Zn] | 0 | 238 | 0 | ||
| Cadmium, dissolved [as Cd] | 0 | 237 | 0 | ||
| Chromium, dissolved [as Cr] | 0 | 235 | 0 | ||
| Lead, dissolved [as Pb] | 0 | 235 | 0 | ||
| Oxygen, dissolved [DO] | 0 | 128 | 0 | ||
| Pass/Fail Static 48Hr Acute Ceriodaphnia dubia | 0 | 3 | 0 | ||
| LC50 Static 48Hr Acute Pimephales promelas | 0 | 3 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 4 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 4 | 0 | 0 | ||
| Phosphorus, total [as P] | 4 | 0 | 0 | ||
| Temperature, water deg. centigrade | 2 | 0 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 0 | 0 | ||
| Cyanide, free [amenable to chlorination] | 2 | 0 | 0 | ||
| Nickel, total recoverable | 2 | 0 | 0 | ||
| Silver total recoverable | 2 | 0 | 0 | ||
| Zinc, total recoverable | 2 | 0 | 0 | ||
| Cadmium, total recoverable | 2 | 0 | 0 | ||
| Lead, total recoverable | 2 | 0 | 0 | ||
| Copper, total recoverable | 2 | 0 | 0 | ||
| Chromium, hexavalent dissolved [as Cr] | 2 | 0 | 0 | ||
| Chromium, trivalent total recoverable | 2 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 2 | 0 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 2 | 0 | 0 |
Inspections, violations and enforcement
- 15Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| July 15, 2026 | Permit Violations - Unapproved Operation | ST6 |
| June 21, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| June 21, 2024 | Permit Violations - Violation Specified in Comment | ST6 |
| June 21, 2024 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| February 27, 2024 | Permit Violations - Unapproved Operation | ST6 |
| February 27, 2024 | Effluent Violations - Unauthorized Discharge | ST6 |
| February 27, 2024 | Effluent Violations - Narrative Effluent Violation | ST6 |
| September 20, 2023 | Effluent Violations - Unauthorized Discharge | ST6 |
| April 18, 2023 | Permit Violations - Discharge Without a Valid Permit | ST6 |
| April 18, 2023 | Effluent Violations - Narrative Effluent Violation | ST6 |
| June 15, 2022 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| June 15, 2022 | Permit Violations - Unapproved Operation | ST6 |
| June 15, 2018 | Permit Violations - Violation Specified in Comment | ST6 |
| June 15, 2018 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| March 7, 2018 | Pretreatment - Failure to Develop/Enforce Standards | ST6 |
Inspections
EPA’s inspection file holds no inspection for NPDES MO0117960.
Formal enforcement and penalties
1 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
| Date | What EPA recorded | Agency | Federal penalty | State or local penalty |
|---|---|---|---|---|
| August 7, 2026 | State Administrative Order of Consent | State |
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES MO0117960.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.