Clean Water Act discharge permit · NPDES IL0055182
GENOA STP, CITY OF, Genoa, IL: NPDES IL0055182 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
GENOA STP, CITY OF, held by GENOA, CITY OF, holds NPDES permit IL0055182, which discharges to South Branch Of Kishwaukee River. EPA’s file records it issued March 20, 2019 and expiring February 29, 2024. 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 | GENOA STP, CITY OF |
|---|---|
| Permittee as filed | GENOA, CITY OF |
| NPDES ID | IL0055182 |
| 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 | March 20, 2019 |
| Expiration date | February 29, 2024 |
| Address | Genoa, IL 60135 |
| Receiving water | SOUTH BRANCH OF KISHWAUKEE RIVER |
| Subwatershed | McCall Creek-Evergreen River (HUC 040302020304) |
| Program components on file | POTW, Pretreatment |
| 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
- 9Pollutants on file
- 9Under a numeric limit
- 9With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 50 | 39 | 13 | April 30, 2022 | 1,467% over the limit |
| Chlorine, total residual | 4 | 13 | 6 | October 31, 2017 | 200% over the limit |
| Coliform, fecal general | 1 | 2 | 1 | June 30, 2009 | 61% over the limit |
| Solids, total suspended | 5 | 10 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 8 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 4 | 8 | 0 | ||
| pH | 2 | 8 | 0 | ||
| Oxygen, dissolved [DO] | 5 | 7 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 2 | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| January 23, 2025 | Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | ST6 |
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, IL0055182.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 IL0055182 there.
Nearby on the register
- Discharge permits in Genoa
- Every permit record in Genoa, A to Z
- Discharge permits in Illinois
- Every permit record in Illinois, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.