Clean Water Act discharge permit · NPDES OH0053082
SAWMILL CREEK WWTP, Huron, OH: NPDES OH0053082 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 50Pollutants under a numeric limit
- 13Pollutants with an effluent exceedance
SAWMILL CREEK WWTP, held by Erie Co Dept of Environmental Services, holds NPDES permit OH0053082, which discharges to Lake Erie. EPA’s file records it issued July 1, 2021 and expiring May 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 | SAWMILL CREEK WWTP |
|---|---|
| Permittee as filed | Erie Co Dept of Environmental Services |
| NPDES ID | OH0053082 |
| 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 | July 1, 2021 |
| Expiration date | May 31, 2023 |
| Address | Huron, OH 44839 |
| Receiving water | Lake Erie |
| Subwatershed | Sawmill Creek (HUC 041000110101) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 52Pollutants on file
- 50Under a numeric limit
- 42With a violation of any kind
- 13With 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 |
|---|---|---|---|---|---|
| Phosphorus, total [as P] | 4 | 42 | 30 | April 30, 2026 | 157% over the limit |
| Mercury, total low level | 6 | 44 | 20 | April 30, 2026 | 658% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 8 | 29 | 11 | April 30, 2025 | 88% over the limit |
| Solids, total suspended | 8 | 28 | 10 | April 30, 2024 | 59% over the limit |
| E. coli, MTEC-MF | 2 | 14 | 10 | June 30, 2026 | 99,999% over the limit |
| Oil and grease, hexane extr method | 1 | 7 | 4 | October 31, 2015 | 66% over the limit |
| Oxygen, dissolved [DO] | 1 | 6 | 3 | June 30, 2024 | 54% over the limit |
| Fecal coliform in sludge, CFU/gram | 0 | 3 | 3 | December 31, 2012 | 161% over the limit |
| Coliform, fecal MF, MFC broth, 44.5 C | 0 | 2 | 2 | July 31, 2006 | 99,999% over the limit |
| pH, minimum | 1 | 4 | 1 | May 31, 2024 | |
| Chlorine, total residual | 1 | 3 | 1 | July 31, 2024 | 58% over the limit |
| Fecal coliform | 1 | 2 | 1 | December 31, 2024 | 58% over the limit |
| Molybdenum, sludge, total, dry weight [as Mo] | 1 | 2 | 1 | December 31, 2016 | 36% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 6 | 0 | ||
| Temperature, water deg. centigrade | 2 | 6 | 0 | ||
| pH | 2 | 6 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 6 | 0 | ||
| Nitrite + Nitrate total [as N] | 2 | 6 | 0 | ||
| Phosphate, ortho, dissolved [as P] | 2 | 6 | 0 | ||
| Cyanide, free available | 2 | 6 | 0 | ||
| Overflows | 2 | 6 | 0 | ||
| Chlorinated dibenzo-p-dioxins, effluent | 2 | 6 | 0 | ||
| Biosolids weight indluding admixtures | 4 | 4 | 0 | ||
| pH, maximum | 1 | 3 | 0 | ||
| Sludge weight, dry | 4 | 2 | 0 | ||
| Nitrogen, ammonia in bottom deposits | 2 | 2 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 2 | 2 | 0 | ||
| Phosphorous, total, in bottom deposits | 2 | 2 | 0 | ||
| Potassium, in bottom deposits | 2 | 2 | 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 | ||
| Sludge waste from secondary clarifiers | 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 | ||
| Mercury, tot in bot deposits [dry wgt] | 1 | 1 | 0 | ||
| Nickel, total recoverable | 2 | 0 | 0 | ||
| Zinc, total recoverable | 2 | 0 | 0 | ||
| Cadmium, total recoverable | 2 | 0 | 0 | ||
| Lead, total recoverable | 2 | 0 | 0 | ||
| Chromium, total recoverable | 2 | 0 | 0 | ||
| Copper, total recoverable | 2 | 0 | 0 | ||
| Pentachlorophenol | 2 | 0 | 0 | ||
| Solids, total dissolved- 180 deg. C | 2 | 0 | 0 | ||
| Bypass valve | 2 | 0 | 0 | ||
| Bypass of treatment | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| November 1, 2024 | WW SSO - Failure to Maintain Records or Meet Record Keeping Requirements | ST6 |
| November 7, 2022 | Permit Violations - Violation Specified in Comment | 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.