Clean Water Act discharge permit · NPDES WI0020001
WHITEWATER CITY WWTF, Whitewater, WI: NPDES WI0020001 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 12Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
WHITEWATER CITY WWTF, held by WHITEWATER WASTEWATER TREATMEN, holds NPDES permit WI0020001, which discharges to Whitewater Cr. EPA’s file records it issued December 16, 2008 and expiring December 31, 2013. 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 | WHITEWATER CITY WWTF |
|---|---|
| Permittee as filed | WHITEWATER WASTEWATER TREATMEN |
| NPDES ID | WI0020001 |
| 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 | December 16, 2008 |
| Expiration date | December 31, 2013 |
| Address | Whitewater, WI 53190 |
| Receiving water | WHITEWATER CR |
| Subwatershed | Whitewater Creek (HUC 070900020203) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 15Pollutants on file
- 12Under a numeric limit
- 13With a violation of any kind
- 7With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 12 | 11 | 6 | June 30, 2013 | 176% over the limit |
| Oxygen, dissolved [DO] | 1 | 6 | 5 | January 31, 2013 | 60% over the limit |
| Chlorine, total residual | 3 | 4 | 4 | July 31, 2010 | 184% over the limit |
| Nitrogen, ammonia total [as N] | 27 | 6 | 3 | November 30, 2003 | 277% over the limit |
| Coliform, fecal general | 2 | 56 | 2 | September 30, 1999 | 6% over the limit |
| BOD, 5-day, 20 deg. C | 12 | 4 | 1 | June 30, 2008 | 95% over the limit |
| pH | 2 | 3 | 1 | September 30, 2010 | |
| Mercury, total recoverable | 4 | 56 | 0 | ||
| Nitrogen, total [as N] | 0 | 28 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 28 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 28 | 0 | ||
| Phosphorus, total [as P] | 2 | 3 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 2 | 0 | ||
| Copper, total recoverable | 2 | 0 | 0 | ||
| Chloride [as Cl] | 1 | 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
- 10Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| July 2, 2025 | WW SSO - Discharge to Waters | ST6 |
| April 1, 2025 | WW SSO - Discharge to Waters | ST6 |
| February 5, 2025 | WW SSO - Discharge to Waters | ST6 |
| May 28, 2024 | WW SSO - Discharge to Waters | ST6 |
| October 29, 2023 | WW SSO - Discharge to Waters | ST6 |
| August 9, 2023 | WW SSO - Discharge to Waters | ST6 |
| April 1, 2023 | WW SSO - Discharge to Waters | ST6 |
| February 7, 2019 | WW SSO - Discharge to Waters | ST6 |
| September 5, 2017 | WW SSO - Discharge to Waters | ST6 |
| July 8, 2017 | 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 WI0020001 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.