Clean Water Act discharge permit · NPDES IL0056022
MACOUPIN ENERGY LLC, Carlinville, IL: NPDES IL0056022 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 13Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
MACOUPIN ENERGY LLC, held by MACOUPIN ENERGY, LLC, holds NPDES permit IL0056022, which discharges to Spanish Needle;Honey Ck;Macoupin Ck. EPA’s file records it issued January 19, 1996 and expiring September 30, 2000. 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 | MACOUPIN ENERGY LLC |
|---|---|
| Permittee as filed | MACOUPIN ENERGY, LLC |
| NPDES ID | IL0056022 |
| 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 | January 19, 1996 |
| Expiration date | September 30, 2000 |
| Address | Carlinville, IL 62626 |
| Receiving water | SPANISH NEEDLE;HONEY CK;MACOUPIN CK |
| Subwatershed | Sugar Creek-Upper Macoupin Creek (HUC 071300120105) |
| Other EPA IDs (FRS) | RCRA handler ILD098641012; ICIS-AIR source IL000117803AAA |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 28Pollutants on file
- 13Under a numeric limit
- 26With 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 |
|---|---|---|---|---|---|
| pH | 22 | 15 | 7 | May 31, 2024 | |
| Manganese, total [as Mn] | 6 | 9 | 7 | January 31, 2025 | 172% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 10 | 12 | 4 | January 31, 2015 | 92% over the limit |
| Chloride [as Cl] | 12 | 5 | 1 | February 28, 2019 | 5% over the limit |
| Mercury, total [as Hg] | 0 | 20 | 0 | ||
| Solids, total suspended | 19 | 10 | 0 | ||
| Flow, in conduit or thru treatment plant | 14 | 5 | 0 | ||
| Sulfate, total [as SO4] | 12 | 4 | 0 | ||
| BOD, 5-day, 20 deg. C | 0 | 4 | 0 | ||
| Solids, settleable | 6 | 3 | 0 | ||
| Iron, total [as Fe] | 9 | 2 | 0 | ||
| Alkalinity, total [as CaCO3] | 3 | 1 | 0 | ||
| Acidity, total [as CaCO3] | 3 | 1 | 0 | ||
| Hardness, total [as CaCO3] | 0 | 1 | 0 | ||
| Arsenic, total [as As] | 0 | 1 | 0 | ||
| Barium, total [as Ba] | 0 | 1 | 0 | ||
| Cadmium, total [as Cd] | 0 | 1 | 0 | ||
| Chromium, hexavalent [as Cr] | 0 | 1 | 0 | ||
| Chromium, total [as Cr] | 0 | 1 | 0 | ||
| Copper, total [as Cu] | 0 | 1 | 0 | ||
| Lead, total [as Pb] | 0 | 1 | 0 | ||
| Nickel, total [as Ni] | 0 | 1 | 0 | ||
| Silver, total [as Ag] | 0 | 1 | 0 | ||
| Zinc, total [as Zn] | 0 | 1 | 0 | ||
| Selenium, total [as Se] | 0 | 1 | 0 | ||
| Phenolics, total recoverable | 0 | 1 | 0 | ||
| Nitrogen, ammonia total [as N] | 36 | 0 | 0 | ||
| Chlorine, total residual | 3 | 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 IL0056022.
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 IL0056022 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.