Clean Water Act discharge permit · NPDES AZC113223

MANDARINA PHASE 1B.1 PARCEL A & INFRA 1, AZ: NPDES AZC113223 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
1Inspections on file
0Formal enforcement actions

MANDARINA PHASE 1B.1 PARCEL A & INFRA 1, held by Meritage Homes Of Arizona, holds NPDES permit AZC113223, which discharges to Unnamed Ephemeral Tributary. EPA’s file records it issued August 29, 2025 and expiring August 28, 2030.

MANDARINA PHASE 1B.1 PARCEL A & INFRA 1, Arizona: Coverage under a general permit AZC113223, held by Meritage Homes Of Arizona; Effective; issued August 29, 2025, term to August 28, 2030, by ADEQ; discharges to Unnamed ephemeral tributary.

January 21, 2026: Evaluation (S).

Other permits held by Meritage Homes Of Arizona

SUMMERSTONE LOTS 1 - 150: AZC100470, issued September 26, 2023
ROCKING K BLOCK L 23-049: AZC100732, issued October 18, 2023
NARANJA TRAILS: AZC104360, issued July 9, 2024
ROCKING K PARCEL J-1: AZC104804, issued August 8, 2024
ROCKING K PARCEL G: AZC104883, issued August 14, 2024
ROCKING K SOUTH J2 24-045: AZC104884, issued August 14, 2024
STAR VALLEY PHASE 3A 4B 5B: AZC106668, issued December 30, 2024
GLADDEN FARMS BLOCK 34: AZC106669, issued December 30, 2024
RANCHO SAHUARITA, LOTS 216-330: AZC107223, issued January 28, 2025
AJO & KINNEY: AZC107299, issued January 31, 2025

MANDARINA PHASE 1B.1 PARCEL A & INFRA 1 among its neighbors

EPA’s permit file holds 29 discharge permits in the Cochie Canyon subwatershed (HUC 150503030101), AZC113223 among them.

Other permits in the Cochie Canyon subwatershed (HUC 150503030101)

24-048 MANDARINA B & C, Unknown: AZC104723, minor permit, permit term to June 30, 2025
BOULDER BRIDGE III, Unknown: AZC111981, minor permit, discharging to Wild Burro Canyon | UNNAMED TRIBUTARY - TERMIN, permit term to August 28, 2030
BOULDER CANYON, Unknown: AZC098989, minor permit, permit term to June 30, 2025
BOULDER CANYON, Unknown: AZC111555, minor permit, discharging to Wild Burro Canyon | Headwaters - UNNAMED TRIBU, permit term to August 28, 2030
I-10 TANGERINE INTERCHANGE, Unknown: AZC111362, minor permit, discharging to Tucson Aquaduct, permit term to August 28, 2030
LOS SAGUAROS AT DOVE MOUNTAIIN LOTS 134-239, Unknown: AZCN97935, minor permit, permit term to June 30, 2025
MANDARINA 8/9, Unknown: AZC114480, minor permit, permit term to August 28, 2030
MANDARINA PARCEL 1, Unknown: AZC105456, minor permit, permit term to June 30, 2025
MANDARINA PARCEL 1, Unknown: AZC105859, minor permit, permit term to June 30, 2025
MANDARINA PARCEL 1, Unknown: AZC113248, minor permit, discharging to Tucson Aquaduct, permit term to August 28, 2030

Identity

Facility as filed	MANDARINA PHASE 1B.1 PARCEL A & INFRA 1
Permittee as filed	Meritage Homes Of Arizona
NPDES ID	AZC113223
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 85741
Receiving water	Unnamed ephemeral tributary
Subwatershed	Cochie Canyon (HUC 150503030101)

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 AZC113223.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES AZC113223.

Inspections

Date	What EPA recorded	Agency
January 21, 2026	Evaluation	S

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 AZC113223.

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Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES AZC113223 for MANDARINA PHASE 1B.1 PARCEL A & INFRA 1 in Arizona, held by Meritage Homes Of Arizona, with a status of Effective and a minor discharger class. The register lists zero pollutants under a numeric limit and zero pollutants with an effluent exceedance, and it records no effluent or single-event violation for this permit. The permit was issued August 29, 2025 and expires August 28, 2030, as of the register's September 15, 2026 load date.