Clean Water Act discharge permit · NPDES IL0004294
TRUNKLINE GAS COMPANY, Johnsonville, IL: NPDES IL0004294 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
TRUNKLINE GAS COMPANY holds NPDES permit IL0004294, which discharges to Unnamed Trib Of Little Dry Fork. EPA’s file records it issued March 26, 2018 and expiring March 31, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | TRUNKLINE GAS COMPANY |
|---|---|
| Permittee as filed | TRUNKLINE GAS COMPANY |
| NPDES ID | IL0004294 |
| 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 | March 26, 2018 |
| Expiration date | March 31, 2023 |
| Address | Johnsonville, IL 62850 |
| Receiving water | UNNAMED TRIB OF LITTLE DRY FORK |
| Subwatershed | Little Dry Fork (HUC 051201150301) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 12Pollutants on file
- 6Under a numeric limit
- 12With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 2 | 60 | 46 | December 31, 2025 | 18,900% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 34 | 20 | October 31, 2012 | 967% over the limit |
| Benzene | 0 | 24 | 8 | April 30, 2004 | 2,281% over the limit |
| Solids, total suspended | 2 | 21 | 7 | September 30, 2024 | 125% over the limit |
| Ethylbenzene | 0 | 22 | 6 | April 30, 2004 | 48,048% over the limit |
| Toluene | 0 | 11 | 3 | October 31, 1998 | 257% over the limit |
| Xylene [mix of m+o+p] | 0 | 18 | 2 | July 31, 1998 | 327% over the limit |
| Oil and grease | 0 | 8 | 0 | ||
| Oil & Grease | 2 | 6 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 6 | 0 | ||
| pH | 2 | 4 | 0 | ||
| Benzene, ethylbenzene, toluene, xylene combination | 0 | 4 | 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 IL0004294.
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 IL0004294 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.