Clean Water Act discharge permit · NPDES IL0021041
RIVERTON STP, Riverton, IL: NPDES IL0021041 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
RIVERTON STP, held by RIVERTON, VILLAGE OF, holds NPDES permit IL0021041, which discharges to Sangamon River. EPA’s file records it issued January 18, 2017 and expiring January 31, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | RIVERTON STP |
|---|---|
| Permittee as filed | RIVERTON, VILLAGE OF |
| NPDES ID | IL0021041 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | January 18, 2017 |
| Expiration date | January 31, 2022 |
| Address | Riverton, IL 62561 |
| Receiving water | SANGAMON RIVER |
| Subwatershed | Clear Lake-Sangamon River (HUC 071300080402) |
| Program components on file | Biosolids, POTW |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 10Pollutants on file
- 10Under a numeric limit
- 10With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 8 | 70 | 59 | May 31, 2026 | 260% over the limit |
| Coliform, fecal general | 2 | 59 | 57 | July 31, 2026 | 1,224,900% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 52 | 48 | March 31, 2026 | 158% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 23 | 15 | January 31, 2026 | 273% over the limit |
| Oxygen, dissolved [DO] | 8 | 12 | 12 | January 31, 2026 | 13% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 11 | 8 | January 31, 2018 | 213% over the limit |
| pH | 6 | 7 | 1 | January 31, 2009 | |
| Flow, in conduit or thru treatment plant | 4 | 4 | 0 | ||
| Chlorine, total residual | 4 | 4 | 0 | ||
| Flow, total | 2 | 1 | 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 IL0021041.
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, IL0021041.
Start the watch
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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 IL0021041 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.