Clean Water Act discharge permit · NPDES MI0020401
DUNDEE WWTP, Dundee, MI: NPDES MI0020401 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 26Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
DUNDEE WWTP, held by Village of Dundee, holds NPDES permit MI0020401, which discharges to Raisin River. EPA’s file records it issued June 28, 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 | DUNDEE WWTP |
|---|---|
| Permittee as filed | Village of Dundee |
| NPDES ID | MI0020401 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | June 28, 2020 |
| Expiration date | October 1, 2024 |
| Issuing agency | State |
| Address | Dundee, MI 48131 |
| Receiving water | Raisin River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Willow Run-River Raisin (HUC 041000020410) |
| 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
- 28Pollutants on file
- 26Under a numeric limit
- 28With 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 | 8 | 198 | 26 | June 30, 2018 | 277% over the limit |
| Nitrogen, ammonia total [as N] | 6 | 125 | 22 | July 31, 2019 | 560% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 8 | 159 | 19 | July 31, 2018 | 158% over the limit |
| Coliform, fecal general | 2 | 86 | 17 | July 31, 2018 | 14,900% over the limit |
| Mercury, total [as Hg] | 6 | 160 | 16 | January 31, 2019 | 497% over the limit |
| Solids, suspended percent removal | 2 | 41 | 16 | April 30, 2018 | 189% over the limit |
| Phosphorus, total [as P] | 4 | 75 | 5 | July 31, 2018 | 70% over the limit |
| BOD, carb-5 day, 20 deg C, percent removal | 2 | 21 | 2 | March 31, 2014 | 54% over the limit |
| Chlorine, total residual | 1 | 106 | 1 | March 31, 2009 | 189% over the limit |
| Oxygen, dissolved [DO] | 2 | 36 | 1 | May 31, 2018 | 12% over the limit |
| pH | 2 | 70 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 68 | 0 | ||
| Toxicity [chronic], Ceriodaphnia dubia | 0 | 10 | 0 | ||
| Solids, total | 3 | 9 | 0 | ||
| Arsenic, dry weight | 3 | 9 | 0 | ||
| Selenium, dry weight | 3 | 9 | 0 | ||
| Copper, dry weight | 3 | 9 | 0 | ||
| Cadmium, dry weight | 3 | 9 | 0 | ||
| Nitrogen, total Kjeldahl | 3 | 9 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 9 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 9 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 9 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 9 | 0 | ||
| Nitrogen, sludge, total, dry weight [as N] | 3 | 9 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 9 | 0 | ||
| Potassium, sludge, total, dry weight [as K] | 3 | 9 | 0 | ||
| Phosphorus, sludge, total, dry weight [as P] | 3 | 9 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 0 | 9 | 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
- 22Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 23, 2024 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| May 23, 2024 | Monitoring Violations - Invalid/Unrepresentative Sample | ST6 |
| May 7, 2024 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| January 7, 2024 | Management Practice Violations - Failure to Maintain Records | ST6 |
| April 3, 2023 | Management Practice Violations - Failure to Maintain Records | ST6 |
| March 14, 2023 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| February 27, 2023 | WW SSO - Discharge to Waters | ST6 |
| February 27, 2023 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| February 22, 2023 | WW SSO - Discharge to Waters | ST6 |
| February 22, 2023 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| February 1, 2023 | Reporting Violations - Failure to Notify | ST6 |
| October 31, 2022 | Reporting Violations - Late Submittal of DMRs | ST6 |
| July 26, 2022 | Management Practice Violations - Failure to Maintain Records | ST6 |
| May 15, 2022 | Management Practice Violations - Failure to Maintain Records | ST6 |
| April 8, 2022 | Management Practice Violations - Failure to Maintain Records | ST6 |
| January 27, 2022 | Management Practice Violations - No Licensed/Certified Operator | ST6 |
| October 31, 2021 | Reporting Violations - Late Submittal of DMRs | ST6 |
| September 23, 2021 | WW SSO - Discharge to Waters | ST6 |
| September 23, 2021 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| February 15, 2018 | WW SSO - Discharge to Waters | ST6 |
| February 15, 2018 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| October 31, 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, MI0020401.
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 MI0020401 there.
Nearby on the register
- Discharge permits in Dundee
- Every permit record in Dundee, 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.