Clean Water Act discharge permit · NPDES MIG490340
M-24 MINE-MAYVILLE, Mayville, MI: NPDES MIG490340 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
M-24 MINE-MAYVILLE, held by Blumfield Sand & Gravel, LLC, holds NPDES permit MIG490340, which discharges to Krueger Drain. EPA’s file records it issued March 19, 2021 and expiring April 1, 2025. 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 | M-24 MINE-MAYVILLE |
|---|---|
| Permittee as filed | Blumfield Sand & Gravel, LLC |
| NPDES ID | MIG490340 |
| 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 | March 19, 2021 |
| Expiration date | April 1, 2025 |
| Issuing agency | State |
| Address | Mayville, MI 48744 |
| Receiving water | Krueger Drain |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Moore Drain-White Creek (HUC 040802050209) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 7Pollutants on file
- 7Under a numeric limit
- 7With a violation of any kind
- 1With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 4 | 24 | 4 | November 30, 2021 | 51% over the limit |
| pH | 2 | 10 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 10 | 0 | ||
| Arsenic, total [as As] | 1 | 5 | 0 | ||
| Silver, total [as Ag] | 1 | 5 | 0 | ||
| Solids, total dissolved | 1 | 5 | 0 | ||
| Outfall observation,visual, y/n response | 1 | 5 | 0 |
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
- 5Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 21, 2026 | Reporting Violations - Late Submittal of DMRs | ST6 |
| March 21, 2025 | Reporting Violations - Late Submittal of DMRs | ST6 |
| March 21, 2024 | Reporting Violations - Late Submittal of DMRs | ST6 |
| April 21, 2021 | Reporting Violations - Late Submittal of DMRs | ST6 |
| March 19, 2021 | Monitoring Violations - Improper Analysis or Lab Error | 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 MIG490340 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.