Clean Water Act discharge permit · NPDES MI0026468
ST JOHNS WWTP, St Johns, MI: NPDES MI0026468 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 26Pollutants under a numeric limit
- 11Pollutants with an effluent exceedance
ST JOHNS WWTP, held by City of St. Johns, holds NPDES permit MI0026468, which discharges to St. Johns Big Ditch Drain. EPA’s file records it issued February 9, 2015 and expiring October 1, 2018. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | ST JOHNS WWTP |
|---|---|
| Permittee as filed | City of St. Johns |
| NPDES ID | MI0026468 |
| 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 | February 9, 2015 |
| Expiration date | October 1, 2018 |
| Issuing agency | State |
| Address | St Johns, MI 48879 |
| Receiving water | St. Johns Big Ditch Drain |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Doty Brook-Hayworth Creek (HUC 040500050502) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 28Pollutants on file
- 26Under a numeric limit
- 28With 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 |
|---|---|---|---|---|---|
| BOD, carbonaceous [5 day, 20 C] | 16 | 210 | 10 | April 30, 2018 | 107% over the limit |
| Coliform, fecal general | 2 | 16 | 8 | December 31, 2018 | 212% over the limit |
| Cyanide [A] | 2 | 8 | 8 | January 31, 2015 | 1,000% over the limit |
| Solids, total suspended | 8 | 24 | 4 | August 31, 2024 | 93% over the limit |
| Nitrogen, ammonia total [as N] | 12 | 121 | 3 | June 30, 2020 | 95% over the limit |
| Phosphorus, total [as P] | 4 | 13 | 3 | April 30, 2013 | 34% over the limit |
| Chlorine, total residual | 1 | 7 | 3 | October 31, 2013 | 179% over the limit |
| Toxicity, choice of species | 0 | 2 | 2 | April 30, 2026 | 35% over the limit |
| Mercury, total [as Hg] | 6 | 35 | 1 | October 31, 2013 | 58% over the limit |
| Solids, suspended percent removal | 2 | 5 | 1 | March 31, 2016 | 134% over the limit |
| Oxygen, dissolved [DO] | 1 | 5 | 1 | October 31, 2012 | 30% over the limit |
| pH | 2 | 8 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 8 | 0 | ||
| Solids, total | 3 | 5 | 0 | ||
| Arsenic, dry weight | 3 | 5 | 0 | ||
| Selenium, dry weight | 3 | 5 | 0 | ||
| Copper, dry weight | 3 | 5 | 0 | ||
| Cadmium, dry weight | 3 | 5 | 0 | ||
| Nitrogen, total Kjeldahl | 3 | 5 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 5 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 5 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 5 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 5 | 0 | ||
| Nitrogen, sludge, total, dry weight [as N] | 3 | 5 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 5 | 0 | ||
| Potassium, sludge, total, dry weight [as K] | 3 | 5 | 0 | ||
| Phosphorus, sludge, total, dry weight [as P] | 3 | 5 | 0 | ||
| Nickel, total [as Ni] | 0 | 1 | 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 |
|---|---|---|
| March 6, 2024 | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | ST6 |
| November 29, 2023 | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | ST6 |
| November 29, 2023 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| November 29, 2023 | Monitoring Violations - Invalid/Unrepresentative Sample | ST6 |
| May 5, 2023 | Pretreatment - Failure to Enforce Against I/U | ST6 |
| May 5, 2023 | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | ST6 |
| May 5, 2023 | Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II) | ST6 |
| February 17, 2022 | Permit Violations - Discharge Without a Valid Permit | ST6 |
| October 31, 2018 | Reporting Violations - Late Submittal of DMRs | ST6 |
| January 1, 2018 | Pretreatment - Failure to Develop/Enforce Standards | ST6 |
| January 1, 2018 | Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II) | 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.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.