Clean Water Act discharge permit · NPDES MI0022837
DOWAGIAC WWTP, Dowagiac, MI: NPDES MI0022837 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 27Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
DOWAGIAC WWTP, held by City of Dowagiac, holds NPDES permit MI0022837, which discharges to Dowagiac Creek. EPA’s file records it issued September 26, 2013 and expiring October 1, 2017. 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 | DOWAGIAC WWTP |
|---|---|
| Permittee as filed | City of Dowagiac |
| NPDES ID | MI0022837 |
| 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, 2013 |
| Expiration date | October 1, 2017 |
| Issuing agency | State |
| Address | Dowagiac, MI 49047 |
| Receiving water | Dowagiac Creek |
| Subwatershed | La Grange Lake-Dowagiac Creek (HUC 040500012304) |
| Program components on file | Biosolids, POTW |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
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
- 29Pollutants on file
- 27Under a numeric limit
- 29With a violation of any kind
- 7With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 8 | 88 | 28 | August 31, 2024 | 1,450% over the limit |
| Mercury, total [as Hg] | 6 | 118 | 14 | May 31, 2020 | 41% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 12 | 52 | 10 | August 31, 2024 | 99,999% over the limit |
| Chlorine, total residual | 1 | 16 | 8 | December 31, 2022 | 1,268% over the limit |
| Phosphorus, total [as P] | 4 | 42 | 6 | August 31, 2022 | 2,036% over the limit |
| Coliform, fecal general | 2 | 17 | 3 | May 31, 2026 | 56% over the limit |
| Oxygen, dissolved [DO] | 2 | 9 | 1 | May 31, 2016 | 10% over the limit |
| Solids, total suspended | 8 | 56 | 0 | ||
| pH | 2 | 16 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 16 | 0 | ||
| Solids, suspended percent removal | 2 | 4 | 0 | ||
| Lindane | 1 | 4 | 0 | ||
| Solids, total | 3 | 3 | 0 | ||
| Arsenic, dry weight | 3 | 3 | 0 | ||
| Selenium, dry weight | 3 | 3 | 0 | ||
| Copper, dry weight | 3 | 3 | 0 | ||
| Cadmium, dry weight | 3 | 3 | 0 | ||
| Nitrogen, total Kjeldahl | 3 | 3 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 3 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 3 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 3 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 3 | 0 | ||
| Nitrogen, sludge, total, dry weight [as N] | 3 | 3 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 3 | 0 | ||
| Potassium, sludge, total, dry weight [as K] | 3 | 3 | 0 | ||
| Phosphorus, sludge, total, dry weight [as P] | 3 | 3 | 0 | ||
| BOD, carb-5 day, 20 deg C, percent removal | 2 | 3 | 0 | ||
| Toxicity, choice of species | 0 | 3 | 0 | ||
| Static 48 Hr Chronic Pimphales Promelas | 0 | 2 | 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
- 15Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 15, 2025 | Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II) | ST6 |
| September 23, 2024 | Monitoring Violations - Analysis not Conducted | ST6 |
| February 15, 2024 | Permit Violations - Discharge Without a Valid Permit | ST6 |
| August 21, 2023 | Reporting Violations - Late Submittal of DMRs | ST6 |
| July 6, 2022 | WW SSO - Discharge to Waters | ST6 |
| July 6, 2022 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 22, 2022 | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | ST6 |
| June 21, 2022 | Reporting Violations - Late Submittal of DMRs | ST6 |
| February 23, 2022 | Pretreatment - Failure to Develop/Enforce Standards | ST6 |
| February 23, 2022 | Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II) | ST6 |
| October 23, 2019 | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | ST6 |
| February 8, 2019 | Monitoring Violations - Invalid/Unrepresentative Sample | ST6 |
| October 10, 2018 | Pretreatment - Failure to Develop/Enforce Standards | ST6 |
| October 10, 2018 | Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II) | ST6 |
| May 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.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.