Clean Water Act discharge permit · NPDES OH0023540
CITY OF SHELBY WWTP, Shelby, OH: NPDES OH0023540 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 54Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
CITY OF SHELBY WWTP, held by Shelby, City Of, holds NPDES permit OH0023540, which discharges to Black Fork Mohican River. EPA’s file records it issued April 3, 2019 and expiring April 30, 2024. 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 | CITY OF SHELBY WWTP |
|---|---|
| Permittee as filed | Shelby, City Of |
| NPDES ID | OH0023540 |
| 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 | April 3, 2019 |
| Expiration date | April 30, 2024 |
| Address | Shelby, OH 44875 |
| Receiving water | Black Fork Mohican River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Headwaters Black Fork Mohican River (HUC 050400020102) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 56Pollutants on file
- 54Under a numeric limit
- 56With a violation of any kind
- 10With 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] | 22 | 133 | 117 | June 30, 2019 | 1,054% over the limit |
| Solids, total suspended | 20 | 49 | 39 | October 31, 2020 | 37,327% over the limit |
| Oxygen, dissolved [DO] | 6 | 21 | 16 | August 31, 2023 | 78% over the limit |
| Oil and grease, hexane extr method | 2 | 8 | 7 | September 30, 2024 | 230% over the limit |
| E. coli, MTEC-MF | 8 | 4 | 4 | September 30, 2020 | 99,999% over the limit |
| Chlorine, total residual | 0 | 4 | 4 | May 31, 2018 | 2,548% over the limit |
| Mercury, total low level | 6 | 11 | 3 | May 31, 2010 | 32% over the limit |
| pH, minimum | 3 | 6 | 3 | January 31, 2022 | |
| Coliform, fecal MF, MFC broth, 44.5 C | 0 | 3 | 3 | May 31, 2006 | 99,999% over the limit |
| pH, maximum | 3 | 5 | 2 | August 31, 2018 | |
| BOD, carbonaceous [5 day, 20 C] | 20 | 10 | 0 | ||
| Temperature, water deg. centigrade | 8 | 10 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 10 | 8 | 0 | ||
| pH | 4 | 8 | 0 | ||
| Nitrite + Nitrate total [as N] | 8 | 6 | 0 | ||
| Phosphorus, total [as P] | 8 | 6 | 0 | ||
| Cyanide, free available | 8 | 4 | 0 | ||
| Nickel, total recoverable | 6 | 4 | 0 | ||
| Zinc, total recoverable | 6 | 4 | 0 | ||
| Cadmium, total recoverable | 6 | 4 | 0 | ||
| Lead, total recoverable | 6 | 4 | 0 | ||
| Chromium, total recoverable | 6 | 4 | 0 | ||
| Copper, total recoverable | 6 | 4 | 0 | ||
| Chromium, hexavalent dissolved [as Cr] | 6 | 4 | 0 | ||
| Biosolids weight indluding admixtures | 4 | 4 | 0 | ||
| Sludge weight, dry | 4 | 4 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 4 | 4 | 0 | ||
| Toxicity [chronic], Ceriodaphnia dubia | 4 | 4 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 4 | 4 | 0 | ||
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | 4 | 4 | 0 | ||
| Hardness, total [as CaCO3] | 2 | 4 | 0 | ||
| Phosphate, ortho, dissolved [as P] | 4 | 2 | 0 | ||
| Selenium, total recoverable | 4 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 2 | 0 | ||
| Solids, total dissolved- 180 deg. C | 4 | 2 | 0 | ||
| Nitrogen, ammonia in bottom deposits | 2 | 2 | 0 | ||
| Phosphorous, total, in bottom deposits | 2 | 2 | 0 | ||
| Cyanide, total [as CN] | 2 | 2 | 0 | ||
| Potassium, in bottom deposits | 2 | 2 | 0 | ||
| Bypass Volume | 2 | 2 | 0 | ||
| Overflows | 2 | 2 | 0 | ||
| Sludge waste from secondary clarifiers | 2 | 2 | 0 | ||
| Bypass valve | 2 | 2 | 0 | ||
| Bypass of treatment | 2 | 2 | 0 | ||
| %Effect Static Renewal 48Hr Acute Ceriodaphnia dubia | 2 | 2 | 0 | ||
| %Effect Static Renewal 96Hr Acute Pimephales promelas | 2 | 2 | 0 | ||
| Arsenic, dry weight | 1 | 1 | 0 | ||
| Cadmium, in bottom deposits [dry wgt] | 1 | 1 | 0 | ||
| Copper in bottom deposits [dry wgt] | 1 | 1 | 0 | ||
| Lead, total dry weight [as Pb] | 1 | 1 | 0 | ||
| Nickel, tot in bottom deposits [dry wgt] | 1 | 1 | 0 | ||
| Zinc in bottom deposits [dry wgt] | 1 | 1 | 0 | ||
| Selenium, dry weight | 1 | 1 | 0 | ||
| Fecal coliform in sludge, CFU/gram | 1 | 1 | 0 | ||
| Mercury, tot in bot deposits [dry wgt] | 1 | 1 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 1 | 1 | 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 OH0023540.
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.