Clean Water Act discharge permit · NPDES MI0027987
GRSD SEWER AUTHORITY WRRF, New Buffalo, MI: NPDES MI0027987 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 24Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
GRSD SEWER AUTHORITY WRRF, held by Galien River Sanitary District Sewer Authority, holds NPDES permit MI0027987, which discharges to Galien River. EPA’s file records it issued October 31, 2019 and expiring October 1, 2023. 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 | GRSD SEWER AUTHORITY WRRF |
|---|---|
| Permittee as filed | Galien River Sanitary District Sewer Authority |
| NPDES ID | MI0027987 |
| 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 | October 31, 2019 |
| Expiration date | October 1, 2023 |
| Issuing agency | State |
| Address | New Buffalo, MI 49117 |
| Receiving water | Galien River |
| Subwatershed | Town of Union Pier-Galien River (HUC 040400010208) |
| 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
- 25Pollutants on file
- 24Under a numeric limit
- 25With 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 |
|---|---|---|---|---|---|
| BOD, carbonaceous [5 day, 20 C] | 12 | 13 | 5 | May 31, 2019 | 69% over the limit |
| Solids, total suspended | 4 | 13 | 5 | January 31, 2024 | 155% over the limit |
| Phosphorus, total [as P] | 4 | 7 | 3 | May 31, 2019 | 40% over the limit |
| Coliform, fecal general | 2 | 7 | 3 | March 31, 2018 | 60% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 5 | 3 | August 31, 2015 | 70% over the limit |
| Oxygen, dissolved [DO] | 3 | 3 | 1 | July 31, 2023 | 47% over the limit |
| Toxicity, choice of species | 0 | 1 | 1 | August 31, 2011 | 496% over the limit |
| Mercury, total [as Hg] | 6 | 30 | 0 | ||
| pH | 2 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 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 | ||
| Chlorine, total residual | 1 | 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
- 21Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 26, 2025 | Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II) | ST6 |
| April 11, 2025 | Monitoring Violations - Analysis not Conducted | ST6 |
| March 14, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
| October 31, 2020 | Reporting Violations - Late Submittal of DMRs | ST6 |
| September 10, 2020 | Effluent Violations - Narrative Effluent Violation | ST6 |
| October 31, 2019 | Reporting Violations - Late Submittal of DMRs | ST6 |
| September 17, 2019 | Pretreatment - Failure to Establish Local Limits | ST6 |
| September 17, 2019 | Pretreatment - Failure to Develop/Enforce Standards | ST6 |
| September 17, 2019 | Monitoring Violations - Invalid/Unrepresentative Sample | ST6 |
| September 17, 2019 | Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II) | ST6 |
| September 17, 2019 | Failure to issue/reissue control mechanisms to at least 90% of SIU/CIUs w/in 6 months (Level II) | ST6 |
| June 19, 2019 | WW SSO - Discharge to Waters | ST6 |
| June 19, 2019 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 18, 2019 | WW SSO - Discharge to Waters | ST6 |
| June 18, 2019 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 6, 2019 | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | ST6 |
| May 15, 2018 | WW SSO - Discharge to Waters | ST6 |
| May 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 |
| August 15, 2017 | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | ST6 |
| August 15, 2017 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
Inspections
EPA’s inspection file holds no inspection for NPDES MI0027987.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES MI0027987.
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 MI0027987 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.