Clean Water Act discharge permit · NPDES MIS310820
STRUCTURAL CONCEPTS CORPORATION-PORTER, Norton Shores, MI: NPDES MIS310820 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
STRUCTURAL CONCEPTS CORPORATION-PORTER, held by Structural Concepts Corporation, holds NPDES permit MIS310820. EPA’s file records it issued July 3, 2025 and expiring April 1, 2028. 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 STRUCTURAL CONCEPTS CORPORATION-PORTER: its NPDES ID, its permit type and status, its dates, its address in Norton Shores, Michigan. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MIS310820.
Identity
| Facility as filed | STRUCTURAL CONCEPTS CORPORATION-PORTER |
|---|---|
| Permittee as filed | Structural Concepts Corporation |
| NPDES ID | MIS310820 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | July 3, 2025 |
| Expiration date | April 1, 2028 |
| Issuing agency | State |
| Address | Norton Shores, MI 49441 |
| Subwatershed | Mona Lake-Black Creek (HUC 040601011011) |
| SIC | 3585 – Refrigeration And Heating Equipment |
| Other EPA IDs (FRS) | RCRA handler MIR000009431; ICIS-AIR source MI00000000000N3057 |
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
- 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 MIS310820.
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 MIS310820.
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
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Start the watch
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- One state — $4,990/year
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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 MIS310820 there.
Nearby on the register
- Discharge permits in Norton Shores
- Every permit record in Norton Shores, A to Z
- Discharge permits in Michigan
- Every permit record in Michigan, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.