Clean Water Act discharge permit · NPDES OH0063908
MERCURY PLASTICS, LLC, Middlefield, OH: NPDES OH0063908 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 15Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
MERCURY PLASTICS, LLC, held by Mercury Plastics LLC, holds NPDES permit OH0063908, which discharges to Ut Of Swine Creek. EPA’s file records it issued December 7, 2018 and expiring December 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 | MERCURY PLASTICS, LLC |
|---|---|
| Permittee as filed | Mercury Plastics LLC |
| NPDES ID | OH0063908 |
| 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 |
| Issued | December 7, 2018 |
| Expiration date | December 31, 2023 |
| Address | Middlefield, OH 44062 |
| Receiving water | UT of Swine Creek |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Swine Creek (HUC 041100040106) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 19Pollutants on file
- 15Under a numeric limit
- 16With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 8 | 142 | 116 | March 31, 2025 | 2,573% over the limit |
| Iron, total [as Fe] | 4 | 101 | 81 | June 30, 2013 | 77,476% over the limit |
| pH | 8 | 93 | 53 | June 30, 2021 | |
| Solids, total suspended | 6 | 85 | 43 | June 30, 2026 | 283% over the limit |
| Oxygen, dissolved [DO] | 1 | 22 | 18 | May 31, 2012 | 100% over the limit |
| E. coli, MTEC-MF | 2 | 11 | 9 | June 30, 2026 | 1,203% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 6 | 28 | 6 | August 31, 2023 | 135% over the limit |
| Coliform, fecal MF, MFC broth, 44.5 C | 0 | 9 | 3 | August 31, 2011 | 23% over the limit |
| Temperature, water deg. centigrade | 6 | 40 | 0 | ||
| Flow rate | 6 | 30 | 0 | ||
| Turbidity [severity] | 2 | 10 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 10 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 8 | 0 | ||
| Color, spectrophoto-metric filter | 0 | 6 | 0 | ||
| Odor, atmospheric [severity] | 0 | 6 | 0 | ||
| Zinc, total recoverable | 0 | 2 | 0 | ||
| Flow, total | 2 | 0 | 0 | ||
| Sludge waste from secondary clarifiers | 2 | 0 | 0 | ||
| Duration of discharge | 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 OH0063908.
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.