Clean Water Act discharge permit · NPDES AZC112349

AMARILLO CREEK, AZ: NPDES AZC112349 discharge permit, effluent exceedances, inspections, penalties

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

AMARILLO CREEK, held by Ashton Woods Arizona, Llc - Awphx, holds NPDES permit AZC112349, which discharges to Unnamed Ephemeral Tributary. EPA’s file records it issued August 29, 2025 and expiring August 28, 2030.

AMARILLO CREEK, Arizona: Coverage under a general permit AZC112349, held by Ashton Woods Arizona, Llc - Awphx; Effective; issued August 29, 2025, term to August 28, 2030, by ADEQ; discharges to Unnamed ephemeral tributary.

Other permits held by Ashton Woods Arizona, Llc - Awphx

STONEBRIDGE MANOR: AZC099549, issued July 13, 2023
NORTH COPPER CANYON 2.2: AZC104281, issued June 28, 2024
NORTH COPPER CANYON 4.2: AZC104287, issued July 1, 2024
AMARILLO CREEK PHASE 2A: AZC107458, issued February 11, 2025
THREE RIVERS RANCH: AZC108164, issued March 20, 2025
VISARA: AZC110483, issued August 12, 2025
LA PRIVADA: AZC110955, issued September 8, 2025
ESTRELLA CROSSING PHASE 3: AZC112336, issued August 29, 2025
MADERA: AZC112337, issued August 29, 2025
NORTH COPPER CANYON 2.2: AZC112338, issued August 29, 2025

AMARILLO CREEK among its neighbors

EPA’s permit file holds 23 discharge permits in the Antelope Wash subwatershed (HUC 150503030503), AZC112349 among them.

Other permits in the Antelope Wash subwatershed (HUC 150503030503)

AK-CHIN ADMINISTRATIVE BUILDING, Maricopa: AZR10I1GJ, minor permit, permit term to February 16, 2027
AK-CHIN WELLNESS CENTER, Maricopa: AZR10I1FL, minor permit, permit term to February 16, 2027
AMARILLO CREEK, Unknown: AZC112536, minor permit, discharging to Vekol Wash | Papago Reservation Boundary Point, permit term to August 28, 2030
AMARILLO CREEK PHASE 2A, Unknown: AZC107458, minor permit, permit term to June 30, 2025
AMARILLO CREEK PHASE 2A, Unknown: AZC112350, minor permit, discharging to Vekol Wash | Papago Reservation Boundary Point, permit term to August 28, 2030
AMARILLO CREEK UNIT 2B, Unknown: AZC113964, minor permit, permit term to August 28, 2030
MARICOPA WATERLINE, Unknown: AZC101090, minor permit, permit term to June 30, 2025
PALOMINO RANCH - PARCEL 4, Unknown: AZC106537, minor permit, permit term to June 30, 2025
PALOMINO RANCH - PARCEL 4, Unknown: AZC112557, minor permit, discharging to Vekol Wash, permit term to August 28, 2030
PALOMINO RANCH - PARCEL 4, Unknown: AZC112690, minor permit, discharging to Vekol Wash, permit term to August 28, 2030

What the register holds for AMARILLO CREEK: its NPDES ID, its permit type and status, its dates, its address, Arizona, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES AZC112349.

Identity

Facility as filed	AMARILLO CREEK
Permittee as filed	Ashton Woods Arizona, Llc - Awphx
NPDES ID	AZC112349
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	August 29, 2025
Expiration date	August 28, 2030
Issuing agency	ADEQ
Address	AZ 85016
Receiving water	Unnamed ephemeral tributary
Subwatershed	Antelope Wash (HUC 150503030503)

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 AZC112349.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES AZC112349.

Inspections

EPA’s inspection file holds no inspection for NPDES AZC112349.

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 AZC112349.

Watch this permit

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Nearby on the register

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

This public-records page covers Clean Water Act NPDES permit AZC112349 for AMARILLO CREEK in Arizona, held by Ashton Woods Arizona, Llc - Awphx, with a Minor discharger class and an Effective permit status. The register lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and the permit is cited to the EPA ICIS-NPDES file with issue and expiration dates of August 29, 2025 and August 28, 2030.