Clean Water Act discharge permit · NPDES WI0021229
BERLIN CITY WWTF, Berlin, WI: NPDES WI0021229 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
BERLIN CITY WWTF, held by BERLIN WASTEWATER TREATMENT FA, holds NPDES permit WI0021229, which discharges to Fox R Upper Fox. EPA’s file records it issued December 28, 2007 and expiring June 30, 2012. 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 | BERLIN CITY WWTF |
|---|---|
| Permittee as filed | BERLIN WASTEWATER TREATMENT FA |
| NPDES ID | WI0021229 |
| 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, 2007 |
| Expiration date | June 30, 2012 |
| Address | Berlin, WI 54923 |
| Receiving water | FOX R UPPER FOX |
| Subwatershed | Hogars Bayou-Fox River (HUC 040302011107) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 6Pollutants on file
- 0Under a numeric limit
- 6With a violation of any kind
- 4With 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 | 0 | 3 | 3 | July 31, 1999 | 143% over the limit |
| BOD, 5-day, 20 deg. C | 0 | 70 | 2 | January 31, 1998 | 99,999% over the limit |
| pH | 0 | 36 | 2 | August 31, 2001 | |
| Phosphorus, total [as P] | 0 | 18 | 1 | May 31, 1998 | 4,700% over the limit |
| Solids, total suspended | 0 | 68 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 34 | 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 |
|---|---|---|
| July 15, 2021 | WW SSO - Discharge to Waters | 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.
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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 WI0021229 there.
Nearby on the register
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- Every permit record in Berlin, A to Z
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- Every permit record in Wisconsin, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.