Clean Water Act discharge permit · NPDES AZC110858

VISTANCIA - PARCELS J19 & J20, AZ: NPDES AZC110858 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

VISTANCIA - PARCELS J19 & J20, held by Castlerock Construction Arizona Llc, holds NPDES permit AZC110858, which discharges to Central Arizona Project Aqueduct. EPA’s file records it issued September 2, 2025 and expiring August 28, 2030.

VISTANCIA - PARCELS J19 & J20, Arizona: Coverage under a general permit AZC110858, held by Castlerock Construction Arizona Llc; Effective; issued September 2, 2025, term to August 28, 2030, by ADEQ; discharges to Central Arizona Project Aqueduct.

Other permits held by Castlerock Construction Arizona Llc

HERITAGE POINTE: AZC100886, issued November 2, 2023
RANCHO MIRAGE ESTATES PHASE I: AZC104795, issued August 8, 2024
RANCHO SANTA ROSA PARCEL 8: AZC107682, issued February 25, 2025
MCCARTNEY CENTER - PARCELS AA, EE: AZC110388, issued August 6, 2025
VISTANCIA - PARCEL J18: AZC110842, issued September 2, 2025
VISTANCIA - PARCEL I3: AZC110850, issued September 2, 2025
VISTANCIA - PARCEL J22: AZC110862, issued September 2, 2025
VISTANCIA - PARCEL J23: AZC110868, issued September 2, 2025
VISTANCIA - PARCELS J26 & J28: AZC110872, issued September 2, 2025
VISTANCIA - PARCEL I4: AZC110875, issued September 2, 2025

VISTANCIA - PARCELS J19 & J20 among its neighbors

EPA’s permit file holds 86 discharge permits in the Caterpillar Tank Wash-Agua Fria River subwatershed (HUC 150701020905), AZC110858 among them.

Other permits in the Caterpillar Tank Wash-Agua Fria River subwatershed (HUC 150701020905)

24412-03 - RECLAIMED WATER TRANSMISSION MAIN PROJECT 2 - SEGMENT B, Unknown: AZC111127, minor permit, discharging to Beardsley Canal | Agua Fria River - W THOMAS R, permit term to August 28, 2030
96TH AVE LIFT STATION, Unknown: AZC113807, minor permit, discharging to Agua Fria River | Lower Lake Pleasant Dam - HA, permit term to August 28, 2030
AHP LAKE PLEASANT FSED, Peoria: AZC109588, minor permit, permit term to June 30, 2025
AMKOR, Unknown: AZC111058, minor permit, discharging to Central Arizona Project Aqueduct, permit term to August 28, 2030
AMKOR - 96TH AVE ACCESS RD, Unknown: AZC115984, minor permit, discharging to Agua Fria River | Lower Lake Pleasant Dam - HA, permit term to August 28, 2030
AMKOR - ACCESS RD & PARKING AREA/STOCKPILE, Unknown: AZC112668, minor permit, discharging to Central Arizona Project Aqueduct, permit term to August 28, 2030
AMKOR - PARCEL D SOUTH, Unknown: AZC116613, minor permit, discharging to Central Arizona Project Aqueduct, permit term to August 28, 2030
BEARDSLEY ROAD WRF, Peoria: AZMS66158, minor permit, permit term to March 9, 2016
CAP/LPP INTERSECTION WELLFIELD AND PIPELINE WATER TRANSMISSION, Unknown: AZC111570, minor permit, discharging to Central Arizona Project Aqueduct, permit term to August 28, 2030
CEMEX, Sun City: AZI108490, minor permit, discharging to Agua Fria River | Lower Lake Pleasant Dam - HA, permit term to January 15, 2030

What the register holds for VISTANCIA - PARCELS J19 & J20: 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 AZC110858.

Identity

Facility as filed	VISTANCIA - PARCELS J19 & J20
Permittee as filed	Castlerock Construction Arizona Llc
NPDES ID	AZC110858
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	September 2, 2025
Expiration date	August 28, 2030
Issuing agency	ADEQ
Address	AZ 85016
Receiving water	Central Arizona Project Aqueduct
Subwatershed	Caterpillar Tank Wash-Agua Fria River (HUC 150701020905)

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 AZC110858.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES AZC110858.

Inspections

EPA’s inspection file holds no inspection for NPDES AZC110858.

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 AZC110858.

Watch this permit

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Nearby on the register

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

The page is a public-records entry for NPDES permit AZC110858, held by Castlerock Construction Arizona Llc for the VISTANCIA - PARCELS J19 & J20 facility, which discharges to the Central Arizona Project Aqueduct. The permit status is listed as Effective, with a minor discharger class, 0 pollutants under a numeric limit, and 0 pollutants with an effluent exceedance.