Clean Water Act discharge permit · NPDES OH0025488
SYCAMORE CREEK WWTP, Cincinnati, OH: NPDES OH0025488 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 43Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
SYCAMORE CREEK WWTP, held by Hamilton Co Brd of Comm Metropolitan SD, holds NPDES permit OH0025488, which discharges to Sycamore Creek. EPA’s file records it issued March 13, 2015 and expiring March 31, 2020. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | SYCAMORE CREEK WWTP |
|---|---|
| Permittee as filed | Hamilton Co Brd of Comm Metropolitan SD |
| NPDES ID | OH0025488 |
| 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 | March 13, 2015 |
| Expiration date | March 31, 2020 |
| Address | Cincinnati, OH 45204 |
| Receiving water | Sycamore Creek |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Sycamore Creek (HUC 050902021401) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 43Pollutants on file
- 43Under a numeric limit
- 13With 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 | 14 | 40 | 40 | March 31, 2023 | 643% over the limit |
| Nitrogen, ammonia total [as N] | 14 | 13 | 11 | June 30, 2009 | 474% over the limit |
| Oxygen, dissolved [DO] | 3 | 12 | 8 | October 31, 2018 | 62% over the limit |
| Phosphorus, total [as P] | 10 | 5 | 5 | June 30, 2010 | 33% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 12 | 4 | 4 | April 30, 2008 | 125% over the limit |
| pH, minimum | 2 | 3 | 3 | August 31, 2014 | |
| E. coli, MTEC-MF | 6 | 2 | 2 | August 31, 2012 | 193% over the limit |
| Silver total recoverable | 6 | 1 | 1 | April 30, 2011 | 67% over the limit |
| pH, maximum | 2 | 1 | 1 | December 31, 2008 | |
| Chromium, hexavalent dissolved [as Cr] | 6 | 12 | 0 | ||
| Temperature, water deg. centigrade | 6 | 6 | 0 | ||
| pH | 4 | 4 | 0 | ||
| Cyanide, total [as CN] | 4 | 2 | 0 | ||
| Nitrite + Nitrate total [as N] | 6 | 0 | 0 | ||
| Selenium, total recoverable | 6 | 0 | 0 | ||
| Thallium, total recoverable | 6 | 0 | 0 | ||
| Nickel, total recoverable | 6 | 0 | 0 | ||
| Zinc, total recoverable | 6 | 0 | 0 | ||
| Cadmium, total recoverable | 6 | 0 | 0 | ||
| Lead, total recoverable | 6 | 0 | 0 | ||
| Chromium, total recoverable | 6 | 0 | 0 | ||
| Copper, total recoverable | 6 | 0 | 0 | ||
| Bypass valve | 6 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 0 | 0 | ||
| Mercury, total low level | 4 | 0 | 0 | ||
| Bypass Volume | 4 | 0 | 0 | ||
| Bypass of treatment | 4 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 2 | 0 | 0 | ||
| Hardness, total [as CaCO3] | 2 | 0 | 0 | ||
| Rainfall | 2 | 0 | 0 | ||
| Cyanide, free available | 2 | 0 | 0 | ||
| Sludge weight, dry | 2 | 0 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 2 | 0 | 0 | ||
| Toxicity [chronic], Ceriodaphnia dubia | 2 | 0 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 2 | 0 | 0 | ||
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | 2 | 0 | 0 | ||
| Solids, total dissolved- 180 deg. C | 2 | 0 | 0 | ||
| Duration of discharge | 2 | 0 | 0 | ||
| %Effect Static Renewal 48Hr Acute Ceriodaphnia dubia | 2 | 0 | 0 | ||
| %Effect Static Renewal 96Hr Acute Pimephales promelas | 2 | 0 | 0 | ||
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 0 | 0 | ||
| %Effect Static Renewal 7Day Chronic Pimephales promelas | 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 OH0025488.
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 15, 2026.