Clean Water Act discharge permit · NPDES IL0027481
ANNA STP, CITY OF, Anna, IL: NPDES IL0027481 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
ANNA STP, CITY OF, held by ANNA, CITY OF, holds NPDES permit IL0027481, which discharges to Cache River. EPA’s file records it issued December 28, 2018 and expiring December 31, 2023. 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 | ANNA STP, CITY OF |
|---|---|
| Permittee as filed | ANNA, CITY OF |
| NPDES ID | IL0027481 |
| 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 | December 28, 2018 |
| Expiration date | December 31, 2023 |
| Address | Anna, IL 62906 |
| Receiving water | CACHE RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Headwaters Cache River (HUC 051402060503) |
| 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
- 8With 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 |
|---|---|---|---|---|---|
| Coliform, fecal general | 2 | 114 | 76 | March 31, 2026 | 6,650% over the limit |
| Solids, total suspended | 7 | 174 | 37 | March 31, 2026 | 1,177% over the limit |
| Nitrogen, ammonia total [as N] | 66 | 163 | 31 | June 30, 2026 | 523% over the limit |
| Oxygen, dissolved [DO] | 8 | 85 | 20 | July 31, 2024 | 60% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 55 | 5 | June 30, 2016 | 1,067% over the limit |
| pH | 4 | 96 | 4 | October 31, 2022 | |
| BOD, carbonaceous [5 day, 20 C] | 4 | 86 | 2 | January 31, 2024 | 97% over the limit |
| Chlorine, total residual | 2 | 51 | 2 | February 28, 2023 | 36% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 86 | 0 | ||
| Flow, total | 1 | 25 | 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 IL0027481.
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, IL0027481.
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 IL0027481 there.
Nearby on the register
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- Every permit record in Illinois, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.