Clean Water Act discharge permit · NPDES MI0048721
STONECO INC-DENNISTON, Monroe, MI: NPDES MI0048721 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
STONECO INC-DENNISTON, held by Michigan Paving and Materials, holds NPDES permit MI0048721. EPA’s file records it issued February 19, 2016 and expiring October 1, 2019. 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 | STONECO INC-DENNISTON |
|---|---|
| Permittee as filed | Michigan Paving and Materials |
| NPDES ID | MI0048721 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | February 19, 2016 |
| Expiration date | October 1, 2019 |
| Issuing agency | State |
| Address | Monroe, MI 48161 |
| Subwatershed | La Plaisance Creek-Frontal Lake Erie (HUC 041000010202) |
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 MI0048721.
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 |
|---|---|---|
| September 2, 2025 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| February 21, 2023 | 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.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.