Clean Water Act discharge permit · NPDES MI0024023
SALINE WWTP, Saline, MI: NPDES MI0024023 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 36Pollutants under a numeric limit
- 11Pollutants with an effluent exceedance
SALINE WWTP, held by City of Saline, holds NPDES permit MI0024023, which discharges to Saline River. EPA’s file records it issued May 31, 2023 and expiring October 1, 2024. 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 | SALINE WWTP |
|---|---|
| Permittee as filed | City of Saline |
| NPDES ID | MI0024023 |
| 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 | May 31, 2023 |
| Expiration date | October 1, 2024 |
| Issuing agency | State |
| Address | Saline, MI 48176 |
| Receiving water | Saline River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Koch Warner Drain-Saline River (HUC 041000020403) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 38Pollutants on file
- 36Under a numeric limit
- 37With a violation of any kind
- 11With 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] | 16 | 154 | 102 | July 31, 2026 | 600% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 12 | 130 | 70 | October 31, 2025 | 350% over the limit |
| Coliform, fecal general | 2 | 90 | 62 | May 31, 2026 | 99,999% over the limit |
| Solids, total suspended | 8 | 99 | 39 | November 30, 2023 | 3,043% over the limit |
| Oxygen, dissolved [DO] | 3 | 28 | 16 | July 31, 2021 | 13% over the limit |
| Cyanide [A] | 4 | 35 | 13 | May 31, 2015 | 265% over the limit |
| Mercury, total [as Hg] | 6 | 78 | 8 | January 31, 2015 | 967% over the limit |
| Solids, suspended percent removal | 2 | 17 | 6 | January 31, 2026 | 40% over the limit |
| Phosphorus, total [as P] | 4 | 51 | 5 | April 30, 2026 | 30% over the limit |
| pH | 2 | 32 | 4 | August 31, 2012 | |
| Toxicity, choice of species | 2 | 20 | 1 | December 31, 2025 | 64% over the limit |
| Solids, total dissolved | 4 | 60 | 0 | ||
| Perfluorooctanesulfonate | 4 | 42 | 0 | ||
| Perfluorooctanoic acid (PFOA) | 4 | 36 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 30 | 0 | ||
| Static 48 Hr Chronic Pimphales Promelas | 2 | 22 | 0 | ||
| Chloride [as Cl] | 4 | 16 | 0 | ||
| Sulfate, total [as SO4] | 4 | 16 | 0 | ||
| BOD, carb-5 day, 20 deg C, percent removal | 2 | 11 | 0 | ||
| TU Static 24 Hr Acute Pimephales promelas | 1 | 11 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 1 | 10 | 0 | ||
| Selenium, total [as Se] | 4 | 6 | 0 | ||
| Chlorine, total residual | 0 | 5 | 0 | ||
| Selenium, dry weight | 3 | 3 | 0 | ||
| Vanadium, total [as V] | 0 | 3 | 0 | ||
| Arsenic, dry weight | 3 | 1 | 0 | ||
| Copper, dry weight | 3 | 1 | 0 | ||
| Cadmium, dry weight | 3 | 1 | 0 | ||
| Nitrogen, total Kjeldahl | 3 | 1 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 1 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 1 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 1 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 1 | 0 | ||
| Nitrogen, sludge, total, dry weight [as N] | 3 | 1 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 1 | 0 | ||
| Potassium, sludge, total, dry weight [as K] | 3 | 1 | 0 | ||
| Phosphorus, sludge, total, dry weight [as P] | 3 | 1 | 0 | ||
| Solids, total | 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
- 12Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 20, 2024 | Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II) | ST6 |
| March 31, 2023 | Permit Violations - Discharge Without a Valid Permit | ST6 |
| May 11, 2022 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| March 17, 2022 | Pretreatment - Failure to Develop/Enforce Standards | ST6 |
| March 17, 2022 | Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II) | ST6 |
| August 12, 2021 | WW SSO - Discharge to Waters | ST6 |
| August 12, 2021 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| December 17, 2020 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| February 27, 2019 | Reporting Violations - Failure to Notify | ST6 |
| August 22, 2018 | Effluent Violations - Narrative Effluent Violation | ST6 |
| March 21, 2018 | Reporting Violations - Late Submittal of DMRs | ST6 |
| November 14, 2017 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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.