Clean Water Act discharge permit · NPDES AZDM89490
FLAGSTAFF, CITY OF - CITY HALL, Flagstaff, AZ: NPDES AZDM89490 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 3Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
FLAGSTAFF, CITY OF - CITY HALL, held by Flagstaff Utilities Division, holds NPDES permit AZDM89490, which discharges to Unknown Ephemeral Water. EPA’s file records it issued June 1, 2021 and expiring May 31, 2026. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
What the register holds for FLAGSTAFF, CITY OF - CITY HALL: its NPDES ID, its permit type and status, its dates, its address in Flagstaff, Arizona, its receiving water, and 3 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES AZDM89490.
Identity
| Facility as filed | FLAGSTAFF, CITY OF - CITY HALL |
|---|---|
| Permittee as filed | Flagstaff Utilities Division |
| NPDES ID | AZDM89490 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | June 1, 2021 |
| Expiration date | May 31, 2026 |
| Issuing agency | ADEQ |
| Address | Flagstaff, AZ 86001 |
| Receiving water | UNKNOWN EPHEMERAL WATER |
| Subwatershed | Sinclair Wash (HUC 150200150101) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 3Pollutants on file
- 3Under a numeric limit
- 0With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| Flow rate | 1 | 0 | 0 | ||
| Duration | 1 | 0 | 0 | ||
| Chlorine, total residual | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES AZDM89490.
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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES AZDM89490.
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 AZDM89490 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.