Clean Water Act discharge permit · NPDES IL0079251
SOUTH SANGAMON WATER COMMISSION WATER TREATMENT PLANT, Rochester, IL: NPDES IL0079251 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
SOUTH SANGAMON WATER COMMISSION WATER TREATMENT PLANT, held by SOUTH SANGAMON WATER COMMISSION, holds NPDES permit IL0079251, which discharges to Sangamon River. EPA’s file records it issued August 12, 2016 and expiring July 31, 2021. 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 | SOUTH SANGAMON WATER COMMISSION WATER TREATMENT PLANT |
|---|---|
| Permittee as filed | SOUTH SANGAMON WATER COMMISSION |
| NPDES ID | IL0079251 |
| 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 | August 12, 2016 |
| Expiration date | July 31, 2021 |
| Address | Rochester, IL 62563 |
| Receiving water | SANGAMON RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Blind Horse Ridege-Sangamon River (HUC 071300060806) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 7Pollutants on file
- 7Under a numeric limit
- 7With a violation of any kind
- 5With 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 | 82 | 56 | April 30, 2019 | 99,999% over the limit |
| Chloride | 1 | 52 | 26 | May 31, 2026 | 240% over the limit |
| Manganese, total [as Mn] | 2 | 61 | 9 | August 31, 2025 | 70% over the limit |
| Solids, total suspended | 2 | 63 | 7 | August 31, 2024 | 453% over the limit |
| Iron, total [as Fe] | 2 | 55 | 3 | October 31, 2015 | 25% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 58 | 0 | ||
| pH | 2 | 51 | 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 IL0079251.
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 IL0079251 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.