Clean Water Act discharge permit · NPDES MIS310578
SHAFER REDI-MIX-MASON, Mason, MI: NPDES MIS310578 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
SHAFER REDI-MIX-MASON, held by Shafer Redi-Mix, Incorporated, holds NPDES permit MIS310578. EPA’s file records it issued August 23, 2019 and expiring April 1, 2023. 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.
Identity
| Facility as filed | SHAFER REDI-MIX-MASON |
|---|---|
| Permittee as filed | Shafer Redi-Mix, Incorporated |
| NPDES ID | MIS310578 |
| 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 | August 23, 2019 |
| Expiration date | April 1, 2023 |
| Issuing agency | State |
| Address | Mason, MI 48854 |
| Subwatershed | Headwaters Sycamore Creek (HUC 040500040506) |
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 MIS310578.
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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 23, 2021 | WW Storm Water Non-Construction - Failure to develop any or adequate SWPPP/SWMP | ST6 |
| April 23, 2021 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| April 23, 2021 | Management Practice Violations - No Licensed/Certified Operator | 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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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.