Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES AZMS66160

MARSH AVIATION COMPANY, Mesa, AZ: NPDES AZMS66160 discharge permit, effluent exceedances, inspections, penalties

MARSH AVIATION COMPANY, held by Marsh Aviation Company, holds NPDES permit AZMS66160. EPA’s file records it issued June 7, 2017 and expiring June 7, 2022. 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.

What the register holds for MARSH AVIATION COMPANY: its NPDES ID, its permit type and status, its dates, its address in Mesa, Arizona. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES AZMS66160.

Identity

Facility as filedMARSH AVIATION COMPANY
Permittee as filedMarsh Aviation Company
NPDES IDAZMS66160
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJune 7, 2017
Expiration dateJune 7, 2022
AddressMesa, AZ 85215
SubwatershedSalt River-Tempe Town Lake (HUC 150601060304)
Other EPA IDs (FRS)RCRA handler AZR000004796

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES AZMS66160.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES AZMS66160.

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

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, AZMS66160.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

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 AZMS66160 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES AZMS66160, held by Marsh Aviation Company of Mesa, AZ, with the permit shown as administratively continued and its file dates listed as issued June 7, 2017 and expiring June 7, 2022. The page lists the facility as a minor discharger, with 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and it sits in the Salt River-Tempe Town Lake subwatershed (HUC 150601060304).