Clean Water Act discharge permit · NPDES ILG640055
MOUNT AUBURN WTP, Mount Auburn, IL: NPDES ILG640055 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
MOUNT AUBURN WTP, held by MOUNT AUBURN, VILLAGE OF, holds NPDES permit ILG640055, which discharges to Sangamon River. EPA’s file records it issued May 30, 2012 and expiring April 30, 2017. 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 | MOUNT AUBURN WTP |
|---|---|
| Permittee as filed | MOUNT AUBURN, VILLAGE OF |
| NPDES ID | ILG640055 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | May 30, 2012 |
| Expiration date | April 30, 2017 |
| Address | Mount Auburn, IL 62547 |
| Receiving water | SANGAMON RIVER |
| Subwatershed | Blind Horse Ridege-Sangamon River (HUC 071300060806) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 5Pollutants on file
- 5Under a numeric limit
- 5With a violation of any kind
- 1With 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 |
|---|---|---|---|---|---|
| Chlorine, total residual | 1 | 12 | 1 | April 30, 2016 | 20% over the limit |
| pH | 2 | 22 | 0 | ||
| Solids, total suspended | 2 | 22 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 22 | 0 | ||
| Iron, total [as Fe] | 2 | 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 ILG640055.
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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, ILG640055.
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- One watershed — $2,990/year
- One state — $4,990/year
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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 ILG640055 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.