Clean Water Act discharge permit · NPDES WI0022772
WAUPUN CITY WWTF, Waupun, WI: NPDES WI0022772 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 12Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
WAUPUN CITY WWTF, held by WAUPUN WASTEWATER TREATMENT FA, holds NPDES permit WI0022772, which discharges to Rock R S Br. EPA’s file records it issued June 30, 2009 and expiring June 30, 2014. 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 | WAUPUN CITY WWTF |
|---|---|
| Permittee as filed | WAUPUN WASTEWATER TREATMENT FA |
| NPDES ID | WI0022772 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | June 30, 2009 |
| Expiration date | June 30, 2014 |
| Address | Waupun, WI 53963 |
| Receiving water | ROCK R S BR |
| Subwatershed | South Branch Rock River (HUC 070900010202) |
| 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
- 16Pollutants on file
- 12Under a numeric limit
- 14With a violation of any kind
- 9With 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 | 3 | 37 | 37 | June 30, 2026 | 163% over the limit |
| BOD, 5-day, 20 deg. C | 6 | 8 | 8 | April 30, 2024 | 144% over the limit |
| Phosphorus, total [as P] | 2 | 8 | 8 | February 28, 2022 | 389% over the limit |
| Oxygen, dissolved [DO] | 3 | 4 | 4 | August 31, 2023 | 8% over the limit |
| Chloride [as Cl] | 2 | 4 | 4 | July 31, 2024 | 72% over the limit |
| Solids, total suspended | 6 | 2 | 2 | October 31, 2019 | 242% over the limit |
| pH | 2 | 2 | 2 | May 31, 2023 | |
| Nitrogen, ammonia total [as N] | 2 | 2 | 2 | February 28, 2019 | 56% over the limit |
| Coliform, fecal general | 1 | 13 | 1 | June 30, 2004 | 57% over the limit |
| Mercury, total recoverable | 4 | 72 | 0 | ||
| Nitrogen, total [as N] | 0 | 36 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 36 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 36 | 0 | ||
| Temperature, water deg. fahrenheit | 0 | 9 | 0 | ||
| Stream flow, instantaneous | 2 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 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 WI0022772.
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, WI0022772.
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 WI0022772 there.
Nearby on the register
- Discharge permits in Waupun
- Every permit record in Waupun, A to Z
- Discharge permits in Wisconsin
- Every permit record in Wisconsin, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.