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 AZMS90139

ACO POLYMER PRODUCTS, Casa Grande, AZ: NPDES AZMS90139 discharge permit, effluent exceedances, inspections, penalties

ACO POLYMER PRODUCTS, held by Aco Polymer Products, Inc., holds NPDES permit AZMS90139. EPA’s file records it issued July 16, 2021 and expiring December 31, 2024. 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.

What the register holds for ACO POLYMER PRODUCTS: its NPDES ID, its permit type and status, its dates, its address in Casa Grande, Arizona. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES AZMS90139.

Identity

Facility as filedACO POLYMER PRODUCTS
Permittee as filedAco Polymer Products, Inc.
NPDES IDAZMS90139
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
IssuedJuly 16, 2021
Expiration dateDecember 31, 2024
AddressCasa Grande, AZ 85122
SubwatershedNorth Branch Santa Cruz Wash (HUC 150503030206)
Other EPA IDs (FRS)RCRA handler AZR000512574

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 AZMS90139.

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 AZMS90139.

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, AZMS90139.

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 AZMS90139 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

Violations are on file for 0.0% of the 34 general permit coverages in Pinal County, and ACO POLYMER PRODUCTS's coverage is in that group. The North Branch Santa Cruz Wash subwatershed holds 82 NPDES permits, including ACO POLYMER PRODUCTS's. Counting this permit, 55.9% of those 34 Pinal County coverages were issued earlier than ACO POLYMER PRODUCTS's.