Clean Water Act discharge permit · NPDES OH0143359
BASCOM WWTP, Bascom, OH: NPDES OH0143359 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 14Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
BASCOM WWTP, held by Seneca County Commissioners, holds NPDES permit OH0143359, which discharges to East Branch Wolf Creek. EPA’s file records it issued March 31, 2021 and expiring April 30, 2026. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | BASCOM WWTP |
|---|---|
| Permittee as filed | Seneca County Commissioners |
| NPDES ID | OH0143359 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Combined sewer overflows |
| Issued | March 31, 2021 |
| Expiration date | April 30, 2026 |
| Address | Bascom, OH 44809 |
| Receiving water | East Branch Wolf Creek |
| Subwatershed | Town of New Riegel-East Branch Wolf Creek (HUC 041000111002) |
| Program components on file | Biosolids, CSO |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 16Pollutants on file
- 14Under 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] | 8 | 62 | 12 | January 31, 2026 | 563% over the limit |
| Solids, total suspended | 4 | 61 | 11 | February 28, 2017 | 117% over the limit |
| E. coli, MTEC-MF | 2 | 18 | 3 | July 31, 2020 | 2,662% over the limit |
| pH | 2 | 27 | 1 | April 30, 2022 | |
| Oxygen, dissolved [DO] | 1 | 21 | 1 | January 31, 2022 | 59% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 50 | 0 | ||
| Temperature, water deg. centigrade | 2 | 30 | 0 | ||
| Turbidity [severity] | 2 | 30 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 30 | 0 | ||
| Overflows | 2 | 30 | 0 | ||
| Color, spectrophoto-metric filter | 0 | 28 | 0 | ||
| Odor, atmospheric [severity] | 0 | 24 | 0 | ||
| Biosolids weight indluding admixtures | 2 | 4 | 0 | ||
| Sludge waste from secondary clarifiers | 2 | 4 | 0 | ||
| Phosphorus, total [as P] | 2 | 2 | 0 | ||
| Nitrite + Nitrate total [as N] | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES OH0143359.
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 OH0143359 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.