Clean Water Act discharge permit · NPDES MI0048453
GELMAN SCIENCES LLC - WAGNER RD, Ann Arbor, MI: NPDES MI0048453 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
GELMAN SCIENCES LLC - WAGNER RD, held by Pall Life Sciences, holds NPDES permit MI0048453, which discharges to Honey Creek. EPA’s file records it issued January 26, 2016 and expiring October 1, 2019. 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 | GELMAN SCIENCES LLC - WAGNER RD |
|---|---|
| Permittee as filed | Pall Life Sciences |
| NPDES ID | MI0048453 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | January 26, 2016 |
| Expiration date | October 1, 2019 |
| Issuing agency | State |
| Address | Ann Arbor, MI 48103 |
| Receiving water | Honey Creek |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Honey Creek (HUC 040900050308) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 11Pollutants on file
- 7Under a numeric limit
- 10With a violation of any kind
- 1With 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 |
|---|---|---|---|---|---|
| 1,4-Dioxane | 3 | 28 | 1 | August 31, 2021 | 9% over the limit |
| Bromate | 0 | 126 | 0 | ||
| Sodium Bisulfite | 0 | 63 | 0 | ||
| Hydrogen peroxide | 9 | 43 | 0 | ||
| pH | 2 | 18 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 18 | 0 | ||
| Equipment inspection - visual | 1 | 11 | 0 | ||
| Outfall observation,visual, y/n response | 1 | 11 | 0 | ||
| Chloride [as Cl] | 0 | 7 | 0 | ||
| Sulfate, total [as SO4] | 0 | 7 | 0 | ||
| Barium, total [as Ba] | 8 | 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 |
|---|---|---|
| April 21, 2026 | Reporting Violations - Late Submittal of DMRs | ST6 |
| June 21, 2025 | Reporting Violations - Late Submittal of DMRs | ST6 |
| October 21, 2024 | Reporting Violations - Late Submittal of DMRs | ST6 |
| June 21, 2023 | 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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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 MI0048453 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.