Clean Water Act discharge permit · NPDES MIS210431
NAT BLOCK CO-WESTLAND, Westland, MI: NPDES MIS210431 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
NAT BLOCK CO-WESTLAND, held by National Block Company, holds NPDES permit MIS210431, which discharges to Willow Creek. EPA’s file records it issued December 17, 2021 and expiring March 31, 2027. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
What the register holds for NAT BLOCK CO-WESTLAND: its NPDES ID, its permit type and status, its dates, its address in Westland, Michigan, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MIS210431.
Identity
| Facility as filed | NAT BLOCK CO-WESTLAND |
|---|---|
| Permittee as filed | National Block Company |
| NPDES ID | MIS210431 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | December 17, 2021 |
| Expiration date | March 31, 2027 |
| Issuing agency | State |
| Address | Westland, MI 48185 |
| Receiving water | Willow Creek |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Tonquish Creek (HUC 040900040202) |
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 MIS210431.
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 MIS210431.
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 MIS210431 there.
Nearby on the register
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- Every permit record in Westland, A to Z
- Discharge permits in Michigan
- Every permit record in Michigan, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.