Clean Water Act discharge permit · NPDES IL0020311
CUBA WASTEWATER TREATMENT FACILITY, Cuba, IL: NPDES IL0020311 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
CUBA WASTEWATER TREATMENT FACILITY, held by CUBA, CITY OF, holds NPDES permit IL0020311, which discharges to Unnamed Trib To Big Creek. EPA’s file records it issued August 22, 2018 and expiring August 31, 2023. 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 | CUBA WASTEWATER TREATMENT FACILITY |
|---|---|
| Permittee as filed | CUBA, CITY OF |
| NPDES ID | IL0020311 |
| 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 | August 22, 2018 |
| Expiration date | August 31, 2023 |
| Address | Cuba, IL 61427 |
| Receiving water | UNNAMED TRIB TO BIG CREEK |
| Subwatershed | Big Creek (HUC 071300051302) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 11Pollutants on file
- 11Under a numeric limit
- 11With a violation of any kind
- 6With 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] | 23 | 141 | 139 | February 28, 2026 | 1,638% over the limit |
| Oxygen, dissolved [DO] | 5 | 57 | 57 | July 31, 2026 | 66% over the limit |
| Solids, total suspended | 10 | 102 | 54 | January 31, 2026 | 550% over the limit |
| Coliform, fecal general | 4 | 14 | 13 | April 30, 2018 | 99,999% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 10 | 6 | May 31, 2026 | 120% over the limit |
| pH | 6 | 8 | 4 | February 28, 2025 | |
| BOD, 5-day, 20 deg. C | 6 | 48 | 0 | ||
| Flow | 2 | 46 | 0 | ||
| Chlorine, total residual | 3 | 5 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 2 | 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
- 7Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 13, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| August 13, 2026 | Wet-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment | ST6 |
| August 13, 2026 | Wet-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment | ST6 |
| August 13, 2026 | Wet-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | ST6 |
| August 13, 2026 | Wet-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | ST6 |
| August 13, 2026 | Wet-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | ST6 |
| June 12, 2026 | Wet-weather SSO 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, IL0020311.
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 IL0020311 there.
Nearby on the register
- Discharge permits in Cuba
- Every permit record in Cuba, A to Z
- Discharge permits in Illinois
- Every permit record in Illinois, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.