Clean Water Act discharge permit · NPDES MI0023299
KALAMAZOO WWTP, Kalamazoo, MI: NPDES MI0023299 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 31Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
KALAMAZOO WWTP, held by City of Kalamazoo, holds NPDES permit MI0023299. EPA’s file records it issued July 19, 2016 and expiring October 1, 2020. 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 | KALAMAZOO WWTP |
|---|---|
| Permittee as filed | City of Kalamazoo |
| NPDES ID | MI0023299 |
| 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 | July 19, 2016 |
| Expiration date | October 1, 2020 |
| Issuing agency | State |
| Address | Kalamazoo, MI 49007 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Averill Lake-Kalamazoo River (HUC 040500030606) |
| Program components on file | Biosolids, POTW, Pretreatment |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
| Other EPA IDs (FRS) | RCRA handler MIT270010804 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 35Pollutants on file
- 31Under a numeric limit
- 20With 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 |
|---|---|---|---|---|---|
| Toxicity, choice of species | 1 | 10 | 8 | January 31, 2025 | 99,999% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 14 | 18 | 4 | September 30, 2016 | 60% over the limit |
| Solids, total suspended | 8 | 18 | 2 | February 28, 2018 | 38% over the limit |
| Coliform, fecal general | 2 | 10 | 2 | July 31, 2026 | 99,999% over the limit |
| TU Static 24 Hr Acute Pimephales promelas | 1 | 4 | 2 | October 31, 2015 | 240% over the limit |
| Static 48 Hr Chronic Pimphales Promelas | 1 | 4 | 2 | October 31, 2015 | 175% over the limit |
| Oxygen, dissolved [DO] | 1 | 6 | 1 | April 30, 2022 | 3% over the limit |
| Perfluorooctanoic acid (PFOA) | 0 | 43 | 0 | ||
| Perfluorooctanesulfonate | 0 | 22 | 0 | ||
| Mercury, total [as Hg] | 6 | 18 | 0 | ||
| Phosphorus, total [as P] | 4 | 8 | 0 | ||
| pH | 2 | 8 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 8 | 0 | ||
| Nitrogen, ammonia total [as N] | 6 | 4 | 0 | ||
| Chlorine, total residual | 1 | 4 | 0 | ||
| BOD, carb-5 day, 20 deg C, percent removal | 2 | 3 | 0 | ||
| Solids, suspended percent removal | 2 | 3 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 1 | 3 | 0 | ||
| Silver, total [as Ag] | 0 | 3 | 0 | ||
| Lithium, total [as Li] | 0 | 2 | 0 | ||
| Selenium, total [as Se] | 4 | 0 | 0 | ||
| Solids, total | 3 | 0 | 0 | ||
| Arsenic, dry weight | 3 | 0 | 0 | ||
| Selenium, dry weight | 3 | 0 | 0 | ||
| Copper, dry weight | 3 | 0 | 0 | ||
| Cadmium, dry weight | 3 | 0 | 0 | ||
| Nitrogen, total Kjeldahl | 3 | 0 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 0 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 0 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 0 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 0 | 0 | ||
| Nitrogen, sludge, total, dry weight [as N] | 3 | 0 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 0 | 0 | ||
| Potassium, sludge, total, dry weight [as K] | 3 | 0 | 0 | ||
| Phosphorus, sludge, total, dry weight [as P] | 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
- 17Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 19, 2026 | Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II) | ST6 |
| May 19, 2026 | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | ST6 |
| September 17, 2025 | Effluent Violations - Narrative Effluent Violation | ST6 |
| September 4, 2025 | Effluent Violations - Narrative Effluent Violation | ST6 |
| June 24, 2025 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| April 16, 2025 | Effluent Violations - Narrative Effluent Violation | ST6 |
| June 24, 2024 | Pretreatment - Failure to Develop/Enforce Standards | EP6 |
| June 24, 2024 | Pretreatment - Failure to Establish Self-Monitoring Requirements | EP6 |
| September 28, 2023 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| September 6, 2022 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| August 24, 2021 | Pretreatment - Failure to Develop/Enforce Standards | ST6 |
| August 24, 2021 | Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II) | ST6 |
| September 20, 2018 | Pretreatment - Failure to Develop/Enforce Standards | ST6 |
| September 20, 2018 | Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II) | ST6 |
| June 20, 2018 | Effluent Violations - Narrative Effluent Violation | ST6 |
| August 29, 2017 | Monitoring Violations - Invalid/Unrepresentative Sample | ST6 |
| March 30, 2017 | Monitoring Violations - Improper Analysis or Lab Error | 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 October 14, 2026.