Clean Water Act discharge permit · NPDES MI0023515
MANISTIQUE WWTP, Manistique, MI: NPDES MI0023515 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 26Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
MANISTIQUE WWTP, held by City of Manistique, holds NPDES permit MI0023515. EPA’s file records it issued September 26, 2016 and expiring October 1, 2020. 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 | MANISTIQUE WWTP |
|---|---|
| Permittee as filed | City of Manistique |
| NPDES ID | MI0023515 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | September 26, 2016 |
| Expiration date | October 1, 2020 |
| Issuing agency | State |
| Address | Manistique, MI 49854 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Jamestown Slough-Manistique River (HUC 040601060604) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 26Pollutants on file
- 26Under a numeric limit
- 12With 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, suspended percent removal | 2 | 34 | 32 | April 30, 2026 | 273% over the limit |
| Coliform, fecal general | 2 | 30 | 26 | April 30, 2026 | 607% over the limit |
| Solids, total suspended | 4 | 31 | 22 | January 31, 2026 | 271% over the limit |
| Mercury, total [as Hg] | 6 | 28 | 18 | January 31, 2015 | 40,669% over the limit |
| BOD, carb-5 day, 20 deg C, percent removal | 2 | 14 | 12 | April 30, 2026 | 207% over the limit |
| Oxygen, dissolved [DO] | 1 | 5 | 3 | May 31, 2019 | 16% over the limit |
| Chlorine, total residual | 1 | 12 | 2 | September 30, 2016 | 453% over the limit |
| pH | 2 | 8 | 2 | September 30, 2025 | |
| BOD, carbonaceous [5 day, 20 C] | 4 | 9 | 1 | March 31, 2016 | 1% over the limit |
| Phosphorus, total [as P] | 4 | 5 | 1 | December 31, 2012 | 100% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 4 | 0 | ||
| Nitrogen, ammonia total [as N] | 4 | 2 | 0 | ||
| Solids, total | 3 | 0 | 0 | ||
| Arsenic, dry weight | 3 | 0 | 0 | ||
| Selenium, dry weight | 3 | 0 | 0 | ||
| Copper, dry weight | 3 | 0 | 0 | ||
| Cadmium, dry weight | 3 | 0 | 0 | ||
| Nitrogen, total Kjeldahl | 3 | 0 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 0 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 0 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 0 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 0 | 0 | ||
| Nitrogen, sludge, total, dry weight [as N] | 3 | 0 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 0 | 0 | ||
| Potassium, sludge, total, dry weight [as K] | 3 | 0 | 0 | ||
| Phosphorus, sludge, total, dry weight [as P] | 3 | 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
- 13Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 21, 2022 | Reporting Violations - Late Submittal of DMRs | ST6 |
| October 31, 2021 | Reporting Violations - Late Submittal of DMRs | ST6 |
| July 21, 2021 | Reporting Violations - Late Submittal of DMRs | ST6 |
| March 21, 2021 | Reporting Violations - Late Submittal of DMRs | ST6 |
| February 21, 2021 | Reporting Violations - Late Submittal of DMRs | ST6 |
| January 21, 2021 | Reporting Violations - Late Submittal of DMRs | ST6 |
| September 21, 2020 | Reporting Violations - Late Submittal of DMRs | ST6 |
| April 21, 2020 | Reporting Violations - Late Submittal of DMRs | ST6 |
| April 21, 2019 | Reporting Violations - Late Submittal of DMRs | ST6 |
| October 31, 2018 | Reporting Violations - Late Submittal of DMRs | ST6 |
| July 21, 2018 | Reporting Violations - Late Submittal of DMRs | ST6 |
| January 21, 2018 | Reporting Violations - Late Submittal of DMRs | ST6 |
| May 11, 2017 | 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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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.