Clean Water Act discharge permit · NPDES OH0024767
CITY OF CONNEAUT WWTP, Conneaut, OH: NPDES OH0024767 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 55Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
CITY OF CONNEAUT WWTP, held by Conneaut, City of, holds NPDES permit OH0024767. EPA’s file records it issued May 13, 2024 and expiring April 30, 2028. 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 CONNEAUT WWTP |
|---|---|
| Permittee as filed | Conneaut, City of |
| NPDES ID | OH0024767 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | May 13, 2024 |
| Expiration date | April 30, 2028 |
| Address | Conneaut, OH 44030 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Marsh Run-Conneaut Creek (HUC 041201010605) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 55Pollutants on file
- 55Under a numeric limit
- 8With a violation of any kind
- 8With 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 |
|---|---|---|---|---|---|
| Mercury, total low level | 6 | 59 | 59 | February 28, 2023 | 1,372% over the limit |
| Solids, total suspended | 8 | 20 | 20 | February 28, 2026 | 207% over the limit |
| Chlorine, total residual | 2 | 20 | 20 | May 31, 2025 | 3,216% over the limit |
| pH, minimum | 2 | 14 | 14 | October 31, 2024 | |
| E. coli, MTEC-MF | 6 | 10 | 10 | May 31, 2025 | 99,999% over the limit |
| Phosphorus, total [as P] | 8 | 9 | 9 | June 30, 2023 | 42% over the limit |
| Oil and grease, hexane extr method | 1 | 1 | 1 | October 31, 2011 | 92% over the limit |
| Molybdenum, sludge, total, dry weight [as Mo] | 1 | 1 | 1 | December 31, 2012 | 49% over the limit |
| Nitrogen, Kjeldahl, total [as N] | 8 | 0 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 8 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 6 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 6 | 0 | 0 | ||
| Temperature, water deg. centigrade | 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 | ||
| Chromium, hexavalent dissolved [as Cr] | 4 | 0 | 0 | ||
| Biosolids weight indluding admixtures | 4 | 0 | 0 | ||
| Bypass Volume | 4 | 0 | 0 | ||
| Sludge weight, dry | 4 | 0 | 0 | ||
| Bypass valve | 4 | 0 | 0 | ||
| Bypass of treatment | 4 | 0 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Nitrogen, ammonia in bottom deposits | 2 | 0 | 0 | ||
| Phosphorous, total, in bottom deposits | 2 | 0 | 0 | ||
| Phosphate, ortho, dissolved [as P] | 2 | 0 | 0 | ||
| Cyanide, total [as CN] | 2 | 0 | 0 | ||
| Hardness, total [as CaCO3] | 2 | 0 | 0 | ||
| Potassium, in bottom deposits | 2 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 0 | ||
| Cyanide, free available | 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 | ||
| pH, maximum | 2 | 0 | 0 | ||
| Solids, total dissolved- 180 deg. C | 2 | 0 | 0 | ||
| Overflows | 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 | ||
| Oxygen, dissolved [DO] | 1 | 0 | 0 | ||
| Arsenic, dry weight | 1 | 0 | 0 | ||
| Cadmium, in bottom deposits [dry wgt] | 1 | 0 | 0 | ||
| Copper in bottom deposits [dry wgt] | 1 | 0 | 0 | ||
| Lead, total dry weight [as Pb] | 1 | 0 | 0 | ||
| Nickel, tot in bottom deposits [dry wgt] | 1 | 0 | 0 | ||
| Zinc in bottom deposits [dry wgt] | 1 | 0 | 0 | ||
| Selenium, dry weight | 1 | 0 | 0 | ||
| Fecal coliform in sludge, CFU/gram | 1 | 0 | 0 | ||
| Mercury, tot in bot deposits [dry wgt] | 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 OH0024767.
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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, OH0024767.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 OH0024767 there.
Nearby on the register
- Discharge permits in Conneaut
- Every permit record in Conneaut, A to Z
- Discharge permits in Ohio
- Every permit record in Ohio, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.