Clean Water Act discharge permit · NPDES MIG640177
MARQUETTE WTP, Marquette, MI: NPDES MIG640177 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
MARQUETTE WTP, held by City of Marquette, holds NPDES permit MIG640177, which discharges to Lake Superior. EPA’s file records it issued August 27, 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 | MARQUETTE WTP |
|---|---|
| Permittee as filed | City of Marquette |
| NPDES ID | MIG640177 |
| 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 | August 27, 2019 |
| Expiration date | April 1, 2020 |
| Issuing agency | State |
| Address | Marquette, MI 49855 |
| Receiving water | Lake Superior |
| NAICS | 221310 – Water Supply and Irrigation Systems |
| SIC | 4941 – Water Supply |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 2Pollutants on file
- 0Under a numeric limit
- 2With 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 |
|---|---|---|---|---|---|
| Chloride [as Cl] | 0 | 1 | 0 | ||
| Sulfate, total [as SO4] | 0 | 1 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MIG640177.
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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 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.
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 MIG640177 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.