Clean Water Act discharge permit · NPDES AZC099663

STONE CANYON VIII, PHASE VII, AZ: NPDES AZC099663 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

STONE CANYON VIII, PHASE VII, held by D2 Stone Canyon Ventures, I Llc, holds NPDES permit AZC099663. EPA’s file records it issued July 24, 2023 and expiring June 30, 2025. 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 STONE CANYON VIII, PHASE VII: its NPDES ID, its permit type and status, its dates, its address, Arizona. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES AZC099663.

Identity

Facility as filed	STONE CANYON VIII, PHASE VII
Permittee as filed	D2 Stone Canyon Ventures, I Llc
NPDES ID	AZC099663
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	July 24, 2023
Expiration date	June 30, 2025
Address	AZ 85051
Subwatershed	Sausaulito Creek (HUC 150503010803)

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 AZC099663.

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 AZC099663.

Inspections

EPA’s inspection file holds no inspection for NPDES AZC099663.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES AZC099663.

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, AZC099663.

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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 AZC099663 there.

Nearby on the register

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

This public-records page covers the NPDES discharge permit AZC099663 for STONE CANYON VIII, PHASE VII, AZ, held by D2 Stone Canyon Ventures, I Llc, with a status of administratively continued and a minor discharger class. The EPA permit file lists an issue date of July 24, 2023 and an expiration date of June 30, 2025, with zero pollutants under a numeric limit and zero pollutants with an effluent exceedance.