Clean Water Act discharge permit · NPDES MI0056821
CONE DRIVE OPERATIONS INC., Traverse City, MI: NPDES MI0056821 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 14Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
CONE DRIVE OPERATIONS INC., held by Cone Drive Operations, Incorporated, holds NPDES permit MI0056821, which discharges to Boardman Lake. EPA’s file records it issued July 2, 2020 and expiring October 1, 2024. 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 | CONE DRIVE OPERATIONS INC. |
|---|---|
| Permittee as filed | Cone Drive Operations, Incorporated |
| NPDES ID | MI0056821 |
| 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 | July 2, 2020 |
| Expiration date | October 1, 2024 |
| Issuing agency | State |
| Address | Traverse City, MI 49684 |
| Receiving water | Boardman Lake |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Boardman Lake-Boardman River (HUC 040601050507) |
| NAICS | 333612 – Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing |
| SIC | 3566 – Speed Changers, Drives, And Gears |
| Other EPA IDs (FRS) | RCRA handler MID006019269; ICIS-AIR source MI00000000000B6293 |
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
- 15Pollutants on file
- 14Under a numeric limit
- 15With a violation of any kind
- 4With 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 |
|---|---|---|---|---|---|
| 1,2,4-Trimethylbenzene | 2 | 76 | 8 | October 31, 2024 | 99,999% over the limit |
| 1,3,5-Trimethylbenzene | 2 | 116 | 2 | June 30, 2023 | 60% over the limit |
| pH | 2 | 50 | 2 | April 30, 2015 | |
| Oxygen, dissolved [DO] | 0 | 20 | 2 | November 30, 2009 | 20% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 48 | 0 | ||
| Ethylbenzene | 1 | 44 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 43 | 0 | ||
| Ethylbenzene | 1 | 32 | 0 | ||
| Naphthalene | 1 | 28 | 0 | ||
| Equipment inspection - visual | 1 | 26 | 0 | ||
| Isopropylbenzene | 1 | 26 | 0 | ||
| n-Propylbenzene | 1 | 26 | 0 | ||
| Xylene [mix of m+o+p] | 1 | 26 | 0 | ||
| Outfall observation,visual, y/n response | 1 | 26 | 0 | ||
| Hexachlorobutadiene | 1 | 10 | 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
- 9Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| October 21, 2025 | Reporting Violations - Late Submittal of DMRs | ST6 |
| September 21, 2025 | Reporting Violations - Late Submittal of DMRs | ST6 |
| September 21, 2023 | Reporting Violations - Late Submittal of DMRs | ST6 |
| February 21, 2023 | Reporting Violations - Late Submittal of DMRs | ST6 |
| September 21, 2017 | Reporting Violations - Late Submittal of DMRs | ST6 |
| August 21, 2017 | Reporting Violations - Late Submittal of DMRs | ST6 |
| July 21, 2017 | Reporting Violations - Late Submittal of DMRs | ST6 |
| May 21, 2017 | Reporting Violations - Late Submittal of DMRs | ST6 |
| April 21, 2017 | 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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MI0056821.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 MI0056821 there.
Nearby on the register
- Discharge permits in Traverse City
- Every permit record in Traverse City, A to Z
- Discharge permits in Michigan
- Every permit record in Michigan, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.