Clean Water Act discharge permit · NPDES OH0025852
IRONTON WWTP, Ironton, OH: NPDES OH0025852 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 33Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
IRONTON WWTP, held by City of Ironton, holds NPDES permit OH0025852. EPA’s file records it issued August 5, 2020 and expiring August 31, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | IRONTON WWTP |
|---|---|
| Permittee as filed | City of Ironton |
| NPDES ID | OH0025852 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | August 5, 2020 |
| Expiration date | August 31, 2023 |
| Address | Ironton, OH 45638 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Storms Creek (HUC 050901030104) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 38Pollutants on file
- 33Under a numeric limit
- 35With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 6 | 97 | 57 | February 28, 2026 | 146% over the limit |
| Oil and grease, hexane extr method | 1 | 38 | 23 | February 28, 2025 | 1,000% over the limit |
| Coliform, fecal MF, MFC broth, 44.5 C | 2 | 42 | 22 | December 31, 2019 | 99,999% over the limit |
| Mercury, total low level | 6 | 40 | 14 | June 30, 2024 | 4,703% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 6 | 48 | 8 | November 30, 2025 | 14% over the limit |
| Chlorine, total residual | 1 | 19 | 4 | November 30, 2014 | 5,689% over the limit |
| pH, minimum | 1 | 14 | 3 | August 31, 2025 | |
| pH, maximum | 1 | 12 | 1 | October 31, 2012 | |
| E. coli, MTEC-MF | 2 | 1 | 1 | July 31, 2020 | 2% over the limit |
| pH | 2 | 22 | 0 | ||
| Nitrite + Nitrate total [as N] | 2 | 22 | 0 | ||
| Temperature, water deg. centigrade | 2 | 20 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 20 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 20 | 0 | ||
| Zinc, total recoverable | 2 | 18 | 0 | ||
| Copper, total recoverable | 2 | 18 | 0 | ||
| Bypass of treatment | 0 | 18 | 0 | ||
| Chromium, hexavalent dissolved [as Cr] | 2 | 17 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 15 | 0 | ||
| Flow, maximum during 24 hr period | 2 | 14 | 0 | ||
| Nickel, total recoverable | 2 | 13 | 0 | ||
| Cadmium, total recoverable | 2 | 13 | 0 | ||
| Lead, total recoverable | 2 | 13 | 0 | ||
| Chromium, total recoverable | 2 | 13 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 2 | 10 | 0 | ||
| Rainfall | 2 | 10 | 0 | ||
| Phosphorus, total [as P] | 2 | 8 | 0 | ||
| Solids, total dissolved- 180 deg. C | 2 | 8 | 0 | ||
| Overflows | 18 | 6 | 0 | ||
| Phosphate, ortho [as PO4] | 0 | 6 | 0 | ||
| Manganese, total recoverable | 0 | 5 | 0 | ||
| Mercury, total recoverable | 0 | 5 | 0 | ||
| Biosolids weight indluding admixtures | 2 | 4 | 0 | ||
| Solids, total dissolved | 0 | 4 | 0 | ||
| Phosphate, ortho, dissolved [as P] | 2 | 2 | 0 | ||
| Overflow volume [SS0 volume, CSO volume] | 16 | 0 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 2 | 0 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 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
- 8Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| October 16, 2024 | Permit Violations - Violation Specified in Comment | ST6 |
| October 16, 2024 | Effluent Violations - Narrative Effluent Violation | ST6 |
| May 23, 2023 | WW SSO - Failure to Maintain Records or Meet Record Keeping Requirements | ST6 |
| August 3, 2022 | WW SSO - Improper Operation and Maintenance | ST6 |
| August 3, 2022 | WW SSO - Numeric effluent violation | ST6 |
| August 3, 2022 | Management Practice Violations - Inflow/Infiltration (I/I) | ST6 |
| August 3, 2022 | Permit Violations - Violation Specified in Comment | ST6 |
| July 28, 2021 | Reporting Violations - Failure to Notify | 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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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.