Clean Water Act discharge permit · NPDES MI0037001
GUARDIAN IND-CARLETON PLANT, Carleton, MI: NPDES MI0037001 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 12Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
GUARDIAN IND-CARLETON PLANT, held by Guardian Industries Corporation, holds NPDES permit MI0037001, which discharges to Vandervoort Drain. EPA’s file records it issued May 29, 2018 and expiring October 1, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | GUARDIAN IND-CARLETON PLANT |
|---|---|
| Permittee as filed | Guardian Industries Corporation |
| NPDES ID | MI0037001 |
| 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 | May 29, 2018 |
| Expiration date | October 1, 2022 |
| Issuing agency | State |
| Address | Carleton, MI 48117 |
| Receiving water | Vandervoort Drain |
| Subwatershed | Middle Creek-Swan Creek (HUC 041000010103) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 16Pollutants on file
- 12Under a numeric limit
- 15With a violation of any kind
- 10With 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 | 32 | 582 | 43 | December 31, 2021 | 22,359% over the limit |
| Chlorine, total residual | 4 | 76 | 7 | April 30, 2024 | 10,426% over the limit |
| Phosphorus, total [as P] | 8 | 135 | 6 | September 30, 2025 | 30% over the limit |
| Solids, total dissolved | 8 | 216 | 5 | March 31, 2022 | 24% over the limit |
| Mercury, total [as Hg] | 12 | 201 | 5 | October 31, 2018 | 88,789% over the limit |
| Oil & Grease | 16 | 264 | 3 | March 31, 2020 | 230% over the limit |
| pH | 4 | 110 | 2 | September 30, 2015 | |
| Silver, total [as Ag] | 8 | 205 | 1 | November 30, 2014 | 87% over the limit |
| Temperature, water deg. fahrenheit | 4 | 90 | 1 | January 31, 2005 | 16% over the limit |
| Toxicity [chronic], Ceriodaphnia dubia | 0 | 3 | 1 | April 30, 2005 | 250% over the limit |
| Flow, in conduit or thru treatment plant | 16 | 270 | 0 | ||
| Outfall observation,visual, y/n response | 2 | 54 | 0 | ||
| Boron, total [as B] | 0 | 22 | 0 | ||
| Selenium, total [as Se] | 0 | 14 | 0 | ||
| Dechlorination reagent, gen | 0 | 9 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 0 | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 21, 2022 | Reporting Violations - Late Submittal of DMRs | ST6 |
| July 21, 2022 | Reporting Violations - Late Submittal of DMRs | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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 MI0037001 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.