Clean Water Act discharge permit · NPDES WI0020737
SPARTA WASTEWATER TREATMENT FACILITY, Sparta, WI: NPDES WI0020737 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 10Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
SPARTA WASTEWATER TREATMENT FACILITY, held by City of Sparta, holds NPDES permit WI0020737, which discharges to La Crosse R. EPA’s file records it issued November 26, 2012 and expiring September 30, 2017. 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 | SPARTA WASTEWATER TREATMENT FACILITY |
|---|---|
| Permittee as filed | City of Sparta |
| NPDES ID | WI0020737 |
| 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 | November 26, 2012 |
| Expiration date | September 30, 2017 |
| Address | Sparta, WI 54656 |
| Receiving water | LA CROSSE R |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Town of Sparta-La Crosse River (HUC 070400060306) |
| Program components on file | Biosolids, POTW |
| SIC | 4952 – Sewerage Systems |
| Other EPA IDs (FRS) | RCRA handler WID988617502 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 14Pollutants on file
- 10Under a numeric limit
- 12With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 5 | 7 | 3 | July 31, 2024 | 99,999% over the limit |
| Nitrogen, ammonia total [as N] | 3 | 2 | 2 | March 31, 2014 | 100% over the limit |
| pH | 2 | 1 | 1 | May 31, 2004 | |
| Chlorine, total residual | 0 | 1 | 1 | July 31, 2001 | 32% over the limit |
| Mercury, total recoverable | 2 | 26 | 0 | ||
| Hardness, total [as CaCO3] | 1 | 11 | 0 | ||
| Solids, total suspended | 5 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 4 | 0 | ||
| Nitrogen, total [as N] | 0 | 3 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 3 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 2 | 0 | ||
| Copper, total recoverable | 1 | 1 | 0 | ||
| Phosphorus, total [as P] | 2 | 0 | 0 | ||
| Coliform, fecal general | 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
- 5Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| July 1, 2024 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| March 26, 2021 | WW SSO - Discharge to Waters | ST6 |
| March 24, 2021 | WW SSO - Discharge to Waters | ST6 |
| March 20, 2021 | WW SSO - Discharge to Waters | ST6 |
| December 13, 2018 | 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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Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.