Clean Water Act discharge permit · NPDES WIG009674
MAMMOTH GRANARY, LLC, Union Grove, WI: NPDES WIG009674 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
MAMMOTH GRANARY, LLC, held by Mammoth Granary, LLC, holds NPDES permit WIG009674. EPA’s file records it issued October 1, 2021 and expiring September 30, 2026. 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.
What the register holds for MAMMOTH GRANARY, LLC: its NPDES ID, its permit type and status, its dates, its address in Union Grove, Wisconsin. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES WIG009674.
Identity
| Facility as filed | MAMMOTH GRANARY, LLC |
|---|---|
| Permittee as filed | Mammoth Granary, LLC |
| NPDES ID | WIG009674 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | October 1, 2021 |
| Expiration date | September 30, 2026 |
| Address | Union Grove, WI 53089 |
| Subwatershed | Village of Union Grove-West Branch Root River Canal (HUC 040400020201) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES WIG009674.
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 WIG009674.
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 WIG009674 there.
Nearby on the register
- Discharge permits in Union Grove
- Every permit record in Union Grove, 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.