Clean Water Act discharge permit · NPDES MIS510062
SUPERIOR MATERIALS PLT 23, Lapeer, MI: NPDES MIS510062 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
SUPERIOR MATERIALS PLT 23, held by Superior Materials LLC, holds NPDES permit MIS510062, which discharges to May And White Drain. EPA’s file records it issued May 19, 2020 and expiring April 1, 2025. 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 | SUPERIOR MATERIALS PLT 23 |
|---|---|
| Permittee as filed | Superior Materials LLC |
| NPDES ID | MIS510062 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | May 19, 2020 |
| Expiration date | April 1, 2025 |
| Issuing agency | State |
| Address | Lapeer, MI 48446 |
| Receiving water | May and White Drain |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Farmers Creek (HUC 040802040104) |
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 MIS510062.
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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 30, 2024 | Failure to develop, maintain, or get approval of an adequate SWPPP (industrial stormwater) | 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 MIS510062 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.