Clean Water Act discharge permit · NPDES OH0142492
EMERALD BIOENERGY, Cardington, OH: NPDES OH0142492 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 13Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
EMERALD BIOENERGY, held by Ringler Energy LLC, holds NPDES permit OH0142492, which discharges to Land Application. EPA’s file records it issued October 9, 2012 and expiring October 31, 2017. 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 | EMERALD BIOENERGY |
|---|---|
| Permittee as filed | Ringler Energy LLC |
| NPDES ID | OH0142492 |
| 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 | October 9, 2012 |
| Expiration date | October 31, 2017 |
| Address | Cardington, OH 43315 |
| Receiving water | Land application |
| Subwatershed | Claypool Run-Whetstone Creek (HUC 050600010903) |
| SIC | 9999 – Nonclassifiable Establishments |
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
- 13Under a numeric limit
- 16With a violation of any kind
- 4With 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 |
|---|---|---|---|---|---|
| Detention time | 0 | 38 | 15 | July 31, 2026 | 100% over the limit |
| Molybdenum, sludge, total, dry weight [as Mo] | 1 | 5 | 2 | November 30, 2022 | 30% over the limit |
| Arsenic, dry weight | 1 | 3 | 1 | November 30, 2022 | 9% over the limit |
| Cadmium, in bottom deposits [dry wgt] | 1 | 3 | 1 | March 31, 2022 | 279% over the limit |
| E. coli, MTEC-MF | 0 | 8 | 0 | ||
| Solids, total dissolved- 180 deg. C | 0 | 8 | 0 | ||
| Biosolids weight indluding admixtures | 4 | 6 | 0 | ||
| Sludge weight, dry | 4 | 6 | 0 | ||
| Nitrogen, ammonia in bottom deposits | 2 | 4 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 2 | 4 | 0 | ||
| Copper in bottom deposits [dry wgt] | 1 | 2 | 0 | ||
| Lead, total dry weight [as Pb] | 1 | 2 | 0 | ||
| Nickel, tot in bottom deposits [dry wgt] | 1 | 2 | 0 | ||
| Zinc in bottom deposits [dry wgt] | 1 | 2 | 0 | ||
| Selenium, dry weight | 1 | 2 | 0 | ||
| Mercury, tot in bot deposits [dry wgt] | 1 | 2 | 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
- 10Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 12, 2025 | Effluent Violations - Unauthorized Discharge | EP6 |
| September 18, 2024 | Biosolids: Other Management Practice Violation | ST6 |
| August 31, 2022 | Biosolids: Other Management Practice Violation | ST6 |
| February 25, 2022 | WW SSO - Failure to report other violation | ST6 |
| February 25, 2022 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| February 25, 2022 | WW SSO - Improper Operation and Maintenance | ST6 |
| March 29, 2021 | Biosolids: Other Management Practice Violation | ST6 |
| March 18, 2020 | Permit Violations - Violation Specified in Comment | ST6 |
| November 8, 2019 | Biosolids - Land Application: Applied to Land that is 10 meters or Less from WOTUS Violation | ST6 |
| November 8, 2019 | Biosolids - Land Application: Applied to Land at Greater than the Agronomic Rate Violation | 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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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 OH0142492 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.