Clean Water Act discharge permit · NPDES IN0063096
GREEN PLAINS MOUNT VERNON LLC, Mount Vernon, IN: NPDES IN0063096 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 29Pollutants under a numeric limit
- 16Pollutants with an effluent exceedance
GREEN PLAINS MOUNT VERNON LLC holds NPDES permit IN0063096, which discharges to Ohio River Via Unnamed Ditch. EPA’s file records it issued July 10, 2019 and expiring July 31, 2024. 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 | GREEN PLAINS MOUNT VERNON LLC |
|---|---|
| Permittee as filed | GREEN PLAINS MOUNT VERNON LLC |
| NPDES ID | IN0063096 |
| 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 | July 10, 2019 |
| Expiration date | July 31, 2024 |
| Issuing agency | IDEM |
| Address | Mount Vernon, IN 47620 |
| Receiving water | OHIO RIVER VIA UNNAMED DITCH |
| Subwatershed | Diamond Island-Ohio River (HUC 051402020602) |
| SIC | 2869 – Industrial Organic Chemicals |
| Other EPA IDs (FRS) | RCRA handler INR000127571; ICIS-AIR source IN0000001812900050 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 31Pollutants on file
- 29Under a numeric limit
- 31With a violation of any kind
- 16With 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 |
|---|---|---|---|---|---|
| Temperature, water deg. fahrenheit | 14 | 48 | 44 | December 31, 2021 | 38% over the limit |
| Chlorine, total residual | 2 | 14 | 10 | April 30, 2013 | 867% over the limit |
| Toxicity [chronic], Ceriodaphnia dubia | 5 | 10 | 10 | October 31, 2023 | 700% over the limit |
| Solids, total suspended | 10 | 14 | 8 | January 31, 2021 | 160% over the limit |
| Zinc, total recoverable | 4 | 18 | 6 | February 28, 2019 | 110% over the limit |
| Lead, total recoverable | 4 | 17 | 5 | February 28, 2019 | 90% over the limit |
| NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia | 0 | 5 | 5 | December 31, 2012 | 60% over the limit |
| Oxygen, dissolved [DO] | 2 | 9 | 4 | June 30, 2015 | 27% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 10 | 11 | 3 | January 31, 2021 | 68% over the limit |
| Toxicity [acute], Ceriodaphnia dubia | 5 | 3 | 3 | July 31, 2020 | 62% over the limit |
| Nitrogen, ammonia total [as N] | 5 | 19 | 2 | February 28, 2019 | 50% over the limit |
| Sulfate, total [as SO4] | 2 | 8 | 2 | May 31, 2020 | 1,271% over the limit |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | 5 | 2 | 2 | November 30, 2023 | 99,999% over the limit |
| pH | 12 | 11 | 1 | February 29, 2016 | |
| Chloride [as Cl] | 2 | 7 | 1 | September 30, 2023 | 3% over the limit |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 5 | 1 | 1 | August 31, 2012 | 67% over the limit |
| Solids, total dissolved | 8 | 20 | 0 | ||
| Iron, total recoverable | 6 | 16 | 0 | ||
| Nickel, total recoverable | 4 | 12 | 0 | ||
| Cadmium, total recoverable | 4 | 12 | 0 | ||
| Copper, total recoverable | 4 | 12 | 0 | ||
| Acetaldehyde | 0 | 12 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 8 | 0 | ||
| Oil and grease, hexane extr method | 10 | 7 | 0 | ||
| Mercury, total recoverable | 4 | 4 | 0 | ||
| Flow, total | 2 | 4 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 8 | 3 | 0 | ||
| Nitrite + Nitrate total [as N] | 8 | 2 | 0 | ||
| Phosphorus, total [as P] | 8 | 2 | 0 | ||
| Chemical Oxygen Demand [COD] | 8 | 2 | 0 | ||
| Storm water flow | 8 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES IN0063096.
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 October 14, 2026.