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Clean Water Act discharge permit · NPDES AZC111199

COMPASS DATACENTER - PHX II CAMPUS, AZ: NPDES AZC111199 discharge permit, effluent exceedances, inspections, penalties

COMPASS DATACENTER - PHX II CAMPUS, held by Markham Contracting Co Inc, holds NPDES permit AZC111199, which discharges to Agua Fria River | Happy Valley Parkway - City. EPA’s file records it issued August 29, 2025 and expiring August 28, 2030. 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 COMPASS DATACENTER - PHX II CAMPUS: 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 AZC111199.

Identity

Facility as filedCOMPASS DATACENTER - PHX II CAMPUS
Permittee as filedMarkham Contracting Co Inc
NPDES IDAZC111199
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedAugust 29, 2025
Expiration dateAugust 28, 2030
Issuing agencyADEQ
AddressAZ 85027
Receiving waterAgua Fria River | HAPPY VALLEY PARKWAY - City
SubwatershedCity of Surprise-Agua Fria River (HUC 150701020906)

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 AZC111199.

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 AZC111199.

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.

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, AZC111199.

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How we handle your data → Privacy

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 AZC111199 there.

Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES AZC111199, held by Markham Contracting Co Inc for COMPASS DATACENTER - PHX II CAMPUS in Arizona, which discharges to Agua Fria River. The listed figures are a permit status of Effective, a discharger class of 0, 0 pollutants under a numeric limit, and 0 pollutants with an effluent exceedance.