Clean Water Act discharge permit · NPDES MI0055735
GERALD R FORD INTL AIRPORT-GR, Grand Rapids, MI: NPDES MI0055735 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
GERALD R FORD INTL AIRPORT-GR, held by Gerald R. Ford International Airport Authority, holds NPDES permit MI0055735. EPA’s file records it issued February 26, 2018 and expiring October 1, 2019. 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 | GERALD R FORD INTL AIRPORT-GR |
|---|---|
| Permittee as filed | Gerald R. Ford International Airport Authority |
| NPDES ID | MI0055735 |
| 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 | February 26, 2018 |
| Expiration date | October 1, 2019 |
| Issuing agency | State |
| Address | Grand Rapids, MI 49512 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Thornapple River (HUC 040500070408) |
| NAICS | 488111 – Air Traffic Control |
| SIC | 4581 – Airports, Flying Fields, & Services |
| Other EPA IDs (FRS) | RCRA handler MIK289887432; ICIS-AIR source MI00000000000P0383 |
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
- 9Pollutants on file
- 8Under a numeric limit
- 7With a violation of any kind
- 3With 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] | 10 | 155 | 15 | March 31, 2026 | 435% over the limit |
| pH | 6 | 339 | 1 | February 29, 2024 | |
| Oxygen, dissolved [DO] | 3 | 1 | 1 | April 30, 2025 | 3% over the limit |
| Flow, in conduit or thru treatment plant | 14 | 236 | 0 | ||
| Chemical oxygen demand [COD] | 2 | 186 | 0 | ||
| Outfall observation,visual, y/n response | 4 | 170 | 0 | ||
| Acetate, Total | 0 | 8 | 0 | ||
| Nitrogen, ammonia total [as N] | 7 | 0 | 0 | ||
| Phosphorus, total [as P] | 2 | 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
- 5Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| February 7, 2025 | Reporting Violations - Failure to Notify | ST6 |
| February 6, 2025 | Reporting Violations - Failure to Notify | ST6 |
| May 21, 2021 | Reporting Violations - Late Submittal of DMRs | ST6 |
| September 21, 2020 | Reporting Violations - Late Submittal of DMRs | ST6 |
| October 21, 2019 | 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.
Watch this permit
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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 MI0055735 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.