Clean Water Act discharge permit · NPDES WI0004197
WI DNR OSCEOLA FISH HATCHERY, Osceola, WI: NPDES WI0004197 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
WI DNR OSCEOLA FISH HATCHERY holds NPDES permit WI0004197, which discharges to St Croix R Via U. EPA’s file records it issued March 5, 2012 and expiring March 31, 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 | WI DNR OSCEOLA FISH HATCHERY |
|---|---|
| Permittee as filed | WI DNR OSCEOLA FISH HATCHERY |
| NPDES ID | WI0004197 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | March 5, 2012 |
| Expiration date | March 31, 2017 |
| Address | Osceola, WI 54020 |
| Receiving water | ST CROIX R VIA U |
| Subwatershed | Osceola Creek-Saint Croix River (HUC 070300050902) |
| SIC | 0921 – Fish Hatcheries And Preserves |
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
- 7Pollutants on file
- 6Under a numeric limit
- 7With a violation of any kind
- 0With 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 | 0 | 64 | 0 | ||
| Phosphorus, total [as P] | 1 | 42 | 0 | ||
| Solids, total suspended | 2 | 33 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 20 | 0 | ||
| pH | 2 | 16 | 0 | ||
| Chloride [as Cl] | 3 | 12 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 4 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES WI0004197.
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 WI0004197.
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, WI0004197.
Start the watch
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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 WI0004197 there.
Nearby on the register
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- Every permit record in Osceola, A to Z
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- Every permit record in Wisconsin, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.