Clean Water Act discharge permit · NPDES MIG670347
MICHIGAN PAVING & MATERIALS-MONROE TERMINAL, Monroe, MI: NPDES MIG670347 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 16Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
MICHIGAN PAVING & MATERIALS-MONROE TERMINAL, held by Michigan Paving & Materials, holds NPDES permit MIG670347, which discharges to River Raisin. EPA’s file records it issued December 30, 2019 and expiring April 1, 2023. 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.
Identity
| Facility as filed | MICHIGAN PAVING & MATERIALS-MONROE TERMINAL |
|---|---|
| Permittee as filed | Michigan Paving & Materials |
| NPDES ID | MIG670347 |
| 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 | December 30, 2019 |
| Expiration date | April 1, 2023 |
| Issuing agency | State |
| Address | Monroe, MI 48161 |
| Receiving water | River Raisin |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Willow Run-River Raisin (HUC 041000020410) |
| NAICS | 324121 – Asphalt Paving Mixture and Block Manufacturing |
| SIC | 2951 – Asphalt Paving Mixtures And Blocks |
| Other EPA IDs (FRS) | RCRA handler MID985621846; ICIS-AIR source MI00000000000N2541 |
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
- 16Pollutants on file
- 16Under a numeric limit
- 2With a violation of any kind
- 0With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Ethylbenzene | 3 | 117 | 0 | ||
| Volume, total | 1 | 42 | 0 | ||
| Solids, total suspended | 3 | 0 | 0 | ||
| Benzene, ethylbenzene, toluene, xylene combination | 3 | 0 | 0 | ||
| Toluene | 3 | 0 | 0 | ||
| Benzene | 3 | 0 | 0 | ||
| Ethylbenzene | 3 | 0 | 0 | ||
| Chlorine, total residual | 3 | 0 | 0 | ||
| Xylenes [total], dry weight | 3 | 0 | 0 | ||
| Flow rate | 2 | 0 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 0 | 0 | ||
| Oil & Grease | 1 | 0 | 0 | ||
| Equipment inspection - visual | 1 | 0 | 0 | ||
| Chlorination duration | 1 | 0 | 0 | ||
| Outfall observation,visual, y/n response | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MIG670347.
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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| February 21, 2023 | Reporting Violations - Late Submittal of DMRs | ST6 |
| February 21, 2020 | Reporting Violations - Late Submittal of DMRs | 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.
Watch this permit
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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 MIG670347 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.