Clean Water Act discharge permit · NPDES MIG490202
DRUMMOND DOLOMITE INC, Drummond Island, MI: NPDES MIG490202 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
DRUMMOND DOLOMITE INC, held by Osborne Materials Company / Drummond Dolomite Incorporated, holds NPDES permit MIG490202, which discharges to Lake Huron. EPA’s file records it issued October 15, 2019 and expiring April 1, 2020. 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 | DRUMMOND DOLOMITE INC |
|---|---|
| Permittee as filed | Osborne Materials Company / Drummond Dolomite Incorporated |
| NPDES ID | MIG490202 |
| 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 | October 15, 2019 |
| Expiration date | April 1, 2020 |
| Issuing agency | State |
| Address | Drummond Island, MI 49726 |
| Receiving water | Lake Huron |
| NAICS | 212312 – Crushed and Broken Limestone Mining and Quarrying |
| SIC | 1422 – Crushed And Broken Limestone |
| Other EPA IDs (FRS) | RCRA handler MID985633262 |
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
- 5Pollutants on file
- 5Under a numeric limit
- 5With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 12 | 572 | 0 | ||
| pH | 6 | 258 | 0 | ||
| Flow, in conduit or thru treatment plant | 6 | 256 | 0 | ||
| Outfall observation,visual, y/n response | 3 | 128 | 0 | ||
| Solids, total dissolved | 3 | 14 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MIG490202.
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 |
|---|---|---|
| October 21, 2019 | Reporting Violations - Late Submittal of DMRs | ST6 |
| February 21, 2019 | Reporting Violations - Late Submittal of DMRs | ST6 |
| March 21, 2018 | 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 MIG490202 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.