Clean Water Act discharge permit · NPDES AZMS79833

BLOCK-LITE, Flagstaff, AZ: NPDES AZMS79833 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

BLOCK-LITE, held by Block-Lite Company, Inc., holds NPDES permit AZMS79833. EPA’s file records it issued January 8, 2020 and expiring December 30, 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 BLOCK-LITE: its NPDES ID, its permit type and status, its dates, its address in Flagstaff, Arizona. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES AZMS79833.

Identity

Facility as filed	BLOCK-LITE
Permittee as filed	Block-Lite Company, Inc.
NPDES ID	AZMS79833
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	January 8, 2020
Expiration date	December 30, 2024
Address	Flagstaff, AZ 86004
Subwatershed	Lower Rio de Flag (HUC 150200150104)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES AZMS79833.

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 AZMS79833.

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 AZMS79833 there.

Nearby on the register

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

The Block-Lite permit, filed under the name BLOCK-LITE for Block-Lite Company, Inc. in Flagstaff, Coconino County, Arizona, is one of 21 general permit coverages in Coconino County on EPA's NPDES register. It sits within the Lower Rio de Flag subwatershed, where 80 NPDES permits are listed, this one included. Of the 21 general permit coverages in the county, 0.0% have a violation on file, and the permit itself records no pollutants under a numeric limit and no effluent exceedances, both at 0.