Clean Water Act discharge permit · NPDES OH0020028
SAINT HENRY WWTP, St Henry, OH: NPDES OH0020028 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 28Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
SAINT HENRY WWTP, held by St Henry, Village of, holds NPDES permit OH0020028. EPA’s file records it issued February 2, 2023 and expiring February 29, 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 | SAINT HENRY WWTP |
|---|---|
| Permittee as filed | St Henry, Village of |
| NPDES ID | OH0020028 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | February 2, 2023 |
| Expiration date | February 29, 2028 |
| Address | St Henry, OH 45883 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Coldwater Creek (HUC 051201010203) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 30Pollutants on file
- 28Under a numeric limit
- 20With a violation of any kind
- 7With 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] | 9 | 31 | 18 | May 31, 2025 | 105% over the limit |
| E. coli, MTEC-MF | 6 | 17 | 9 | August 31, 2022 | 259% over the limit |
| Solids, total suspended | 6 | 17 | 7 | October 31, 2019 | 67% over the limit |
| pH | 8 | 18 | 6 | May 31, 2014 | |
| Nitrogen, ammonia total [as N] | 8 | 19 | 5 | October 31, 2019 | 161% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 6 | 15 | 5 | July 31, 2019 | 46% over the limit |
| Oil and grease, hexane extr method | 1 | 6 | 3 | September 30, 2022 | 144% over the limit |
| Temperature, water deg. centigrade | 6 | 12 | 0 | ||
| Nitrite + Nitrate total [as N] | 6 | 8 | 0 | ||
| Flow, in conduit or thru treatment plant | 6 | 6 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 4 | 0 | ||
| Streamflow | 2 | 2 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 2 | 0 | ||
| Hardness, total [as CaCO3] | 2 | 2 | 0 | ||
| Rainfall | 2 | 2 | 0 | ||
| Flow, maximum during 24 hr period | 2 | 2 | 0 | ||
| Solids, total dissolved- 180 deg. C | 2 | 2 | 0 | ||
| Overflows | 2 | 2 | 0 | ||
| Flow rate | 0 | 2 | 0 | ||
| Chlorine, total residual | 0 | 1 | 0 | ||
| Cyanide, free-water plus wastewaters | 4 | 0 | 0 | ||
| Arsenic, total recoverable | 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 | ||
| Mercury, total low level | 4 | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 23, 2019 | Effluent Violations - Unauthorized Discharge | 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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Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.