Clean Water Act discharge permit · NPDES OH0020419
POLK RUN WWTP, Loveland, OH: NPDES OH0020419 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 34Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
POLK RUN WWTP, held by Hamilton Co Brd of Comm Metropolitan SD, holds NPDES permit OH0020419, which discharges to Tributary Of Little Miami River. EPA’s file records it issued November 3, 2015 and expiring November 30, 2020. 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 | POLK RUN WWTP |
|---|---|
| Permittee as filed | Hamilton Co Brd of Comm Metropolitan SD |
| NPDES ID | OH0020419 |
| 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 | November 3, 2015 |
| Expiration date | November 30, 2020 |
| Address | Loveland, OH 45204 |
| Receiving water | tributary of Little Miami River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Polk Run-Little Miami River (HUC 050902021402) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 35Pollutants on file
- 34Under a numeric limit
- 15With a violation of any kind
- 5With 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] | 12 | 21 | 17 | October 31, 2015 | 699% over the limit |
| Solids, total suspended | 10 | 6 | 6 | January 31, 2023 | 28% over the limit |
| Oxygen, dissolved [DO] | 3 | 6 | 6 | June 30, 2023 | 52% over the limit |
| E. coli, MTEC-MF | 6 | 3 | 3 | October 31, 2019 | 55% over the limit |
| Coliform, fecal MF, MFC broth, 44.5 C | 0 | 2 | 2 | August 31, 2008 | 55% over the limit |
| Nitrogen, Kjeldahl, total [as N] | 4 | 8 | 0 | ||
| Chromium, hexavalent dissolved [as Cr] | 4 | 4 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 2 | 2 | 0 | ||
| Toxicity [chronic], Ceriodaphnia dubia | 2 | 2 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 2 | 2 | 0 | ||
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | 2 | 2 | 0 | ||
| %Effect Static Renewal 48Hr Acute Ceriodaphnia dubia | 2 | 2 | 0 | ||
| %Effect Static Renewal 96Hr Acute Pimephales promelas | 2 | 2 | 0 | ||
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 2 | 0 | ||
| %Effect Static Renewal 7Day Chronic Pimephales promelas | 2 | 2 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 10 | 0 | 0 | ||
| Phosphorus, total [as P] | 8 | 0 | 0 | ||
| Temperature, water deg. centigrade | 6 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 6 | 0 | 0 | ||
| pH | 4 | 0 | 0 | ||
| Nickel, total recoverable | 4 | 0 | 0 | ||
| Zinc, total recoverable | 4 | 0 | 0 | ||
| Cadmium, total recoverable | 4 | 0 | 0 | ||
| Lead, total recoverable | 4 | 0 | 0 | ||
| Chromium, total recoverable | 4 | 0 | 0 | ||
| Copper, total recoverable | 4 | 0 | 0 | ||
| Mercury, total low level | 4 | 0 | 0 | ||
| Phosphate, ortho, dissolved [as P] | 2 | 0 | 0 | ||
| Hardness, total [as CaCO3] | 2 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 0 | ||
| Sludge weight, dry | 2 | 0 | 0 | ||
| pH, maximum | 2 | 0 | 0 | ||
| pH, minimum | 2 | 0 | 0 | ||
| Solids, total dissolved- 180 deg. C | 2 | 0 | 0 | ||
| Oil and grease, hexane extr method | 1 | 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 OH0020419.
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.
Watch this permit
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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 OH0020419 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.