Clean Water Act discharge permit · NPDES MI0054798
SALEM TWP WWTP, Salem, MI: NPDES MI0054798 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 24Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
SALEM TWP WWTP, held by Salem Township, holds NPDES permit MI0054798, which discharges to Johnson Drain. EPA’s file records it issued April 24, 2017 and expiring October 1, 2021. 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 | SALEM TWP WWTP |
|---|---|
| Permittee as filed | Salem Township |
| NPDES ID | MI0054798 |
| 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 | April 24, 2017 |
| Expiration date | October 1, 2021 |
| Issuing agency | State |
| Address | Salem, MI 48175 |
| Receiving water | Johnson Drain |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Johnson Drain (HUC 040900040201) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 26Pollutants on file
- 24Under a numeric limit
- 26With a violation of any kind
- 9With 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] | 12 | 187 | 24 | May 31, 2024 | 1,350% over the limit |
| Coliform, fecal general | 2 | 61 | 23 | April 30, 2024 | 1,687% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 8 | 116 | 16 | November 30, 2023 | 860% over the limit |
| pH | 2 | 50 | 12 | January 31, 2023 | |
| Oxygen, dissolved [DO] | 3 | 66 | 10 | May 31, 2026 | 38% over the limit |
| Solids, total suspended | 8 | 42 | 10 | November 30, 2023 | 660% over the limit |
| Solids, suspended percent removal | 2 | 11 | 4 | March 31, 2014 | 198% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 42 | 3 | November 30, 2013 | 614% over the limit |
| Phosphorus, total [as P] | 4 | 21 | 3 | June 30, 2014 | 130% over the limit |
| Solids, total | 3 | 98 | 0 | ||
| Arsenic, dry weight | 3 | 98 | 0 | ||
| Selenium, dry weight | 3 | 98 | 0 | ||
| Copper, dry weight | 3 | 98 | 0 | ||
| Cadmium, dry weight | 3 | 98 | 0 | ||
| Nitrogen, total Kjeldahl | 3 | 98 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 98 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 98 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 98 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 98 | 0 | ||
| Nitrogen, sludge, total, dry weight [as N] | 3 | 98 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 98 | 0 | ||
| Potassium, sludge, total, dry weight [as K] | 3 | 98 | 0 | ||
| Phosphorus, sludge, total, dry weight [as P] | 3 | 98 | 0 | ||
| BOD, carb-5 day, 20 deg C, percent removal | 2 | 7 | 0 | ||
| Chloride [as Cl] | 0 | 2 | 0 | ||
| Sulfate, total [as SO4] | 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
- 8Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 21, 2024 | Reporting Violations - Late Submittal of DMRs | ST6 |
| May 21, 2024 | Reporting Violations - Late Submittal of DMRs | ST6 |
| August 25, 2023 | Management Practice Violations - Failure to Maintain Records | ST6 |
| August 25, 2023 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| August 25, 2023 | Reporting Violations - Failure to Notify | ST6 |
| April 21, 2023 | Reporting Violations - Late Submittal of DMRs | ST6 |
| August 27, 2019 | Reporting Violations - Failure to Notify | ST6 |
| January 21, 2018 | Reporting Violations - Late Submittal of DMRs | 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.
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, MI0054798.
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 MI0054798 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.