Clean Water Act discharge permit · NPDES MI0020265
ALMA WWTP, Alma, MI: NPDES MI0020265 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 27Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
ALMA WWTP, held by City of Alma, holds NPDES permit MI0020265. EPA’s file records it issued May 28, 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 | ALMA WWTP |
|---|---|
| Permittee as filed | City of Alma |
| NPDES ID | MI0020265 |
| 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 28, 2019 |
| Expiration date | October 1, 2023 |
| Issuing agency | State |
| Address | Alma, MI 48801 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Sugar Creek-Pine River (HUC 040802020403) |
| Program components on file | Biosolids, POTW |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
| Other EPA IDs (FRS) | RCRA handler MID980619050 |
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
- 28Pollutants on file
- 27Under a numeric limit
- 27With 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 |
|---|---|---|---|---|---|
| Coliform, fecal general | 2 | 30 | 7 | April 30, 2009 | 150% over the limit |
| Nitrogen, ammonia total [as N] | 6 | 34 | 2 | July 31, 2022 | 67% over the limit |
| Solids, total suspended | 12 | 64 | 1 | May 31, 2020 | 65% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 12 | 37 | 1 | April 30, 2008 | 7% over the limit |
| Phosphorus, total [as P] | 4 | 34 | 1 | April 30, 2013 | 10% over the limit |
| Mercury, total [as Hg] | 6 | 27 | 1 | January 31, 2011 | 322% over the limit |
| Chlorine, total residual | 1 | 12 | 1 | April 30, 2007 | 8% over the limit |
| BOD, carb-5 day, 20 deg C, percent removal | 2 | 7 | 1 | April 30, 2008 | 47% over the limit |
| Solids, suspended percent removal | 2 | 7 | 1 | April 30, 2008 | 47% over the limit |
| pH | 2 | 22 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 22 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 14 | 0 | ||
| Copper, total [as Cu] | 0 | 12 | 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 | ||
| Cyanide [A] | 4 | 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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 19, 2026 | Monitoring Violations - Invalid/Unrepresentative Sample | ST6 |
| May 5, 2021 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| May 5, 2021 | Monitoring Violations - Invalid/Unrepresentative Sample | ST6 |
| May 4, 2021 | Effluent Violations - Numeric effluent violation | 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.