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Clean Water Act discharge permit · NPDES AZC115035

STONEHOUSE, Sahuarita, AZ: NPDES AZC115035 discharge permit, effluent exceedances, inspections, penalties

STONEHOUSE, held by Mattamy Tucson Llc, holds NPDES permit AZC115035, which discharges to Unnamed Ephemeral Tributary. EPA’s file records it issued February 26, 2026 and expiring August 28, 2030. 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 STONEHOUSE: its NPDES ID, its permit type and status, its dates, its address in Sahuarita, Arizona, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES AZC115035.

Identity

Facility as filedSTONEHOUSE
Permittee as filedMattamy Tucson Llc
NPDES IDAZC115035
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedFebruary 26, 2026
Expiration dateAugust 28, 2030
Issuing agencyADEQ
AddressSahuarita, AZ 85629
Receiving waterUnnamed ephemeral tributary
SubwatershedKinney Tank-Santa Cruz River (HUC 150503010704)

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

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES AZC115035.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES AZC115035.

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.

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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 AZC115035 there.

Nearby on the register

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

What this page shows

This public-records page covers NPDES permit AZC115035 for STONEHOUSE in Sahuarita, AZ, held by Mattamy Tucson Llc, with a status of Effective, a Minor discharger class, and an issue date of February 26, 2026 and expiration date of August 28, 2030. The page lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and it notes no violation in the effluent or single-event violation files for this permit.