Clean Water Act discharge permit · NPDES ILG640100
LAHARPE WTP, La Harpe, IL: NPDES ILG640100 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 4Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
LAHARPE WTP, held by LAHARPE, CITY OF, holds NPDES permit ILG640100, which discharges to S Br Of Lamoine River. EPA’s file records it issued May 31, 2012 and expiring April 30, 2017. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | LAHARPE WTP |
|---|---|
| Permittee as filed | LAHARPE, CITY OF |
| NPDES ID | ILG640100 |
| 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 31, 2012 |
| Expiration date | April 30, 2017 |
| Address | La Harpe, IL 61450 |
| Receiving water | S BR OF LAMOINE RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | South Branch La Moine River (HUC 071300100201) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 4Pollutants on file
- 4Under a numeric limit
- 4With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 2 | 47 | 15 | July 31, 2013 | 165% over the limit |
| pH | 2 | 35 | 3 | June 30, 2020 | |
| Chlorine, total residual | 1 | 19 | 2 | November 30, 2005 | 900% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 32 | 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 ILG640100.
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 ILG640100 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.