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Clean Water Act discharge permit · NPDES AZR10I1DK

PROJECT 1477 TSE'II'AHI WATERLINE EXTENSION, Standing Rock, NM: NPDES AZR10I1DK discharge permit, effluent exceedances, inspections, penalties

PROJECT 1477 TSE'II'AHI WATERLINE EXTENSION, held by NAVAJO ENGINEERING AND CONSTRUCTION AUTHORITY, holds NPDES permit AZR10I1DK. EPA’s file records it issued September 8, 2025 and expiring February 16, 2027. 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 PROJECT 1477 TSE'II'AHI WATERLINE EXTENSION: its NPDES ID, its permit type and status, its dates, its address in Standing Rock, New Mexico. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES AZR10I1DK.

Identity

Facility as filedPROJECT 1477 TSE'II'AHI WATERLINE EXTENSION
Permittee as filedNAVAJO ENGINEERING AND CONSTRUCTION AUTHORITY
NPDES IDAZR10I1DK
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedSeptember 8, 2025
Expiration dateFebruary 16, 2027
Issuing agencyU.S. EPA
AddressStanding Rock, NM 87313
SubwatershedUpper Standing Rock Wash (HUC 140801061101)

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 AZR10I1DK.

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 AZR10I1DK.

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, AZR10I1DK.

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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 AZR10I1DK there.

Nearby on the register

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

What this page shows

The Upper Standing Rock Wash subwatershed records 2 NPDES permits, including PROJECT 1477 TSE'II'AHI WATERLINE EXTENSION. EPA's NPDES register lists 4 storm water construction permits in Standing Rock, counting this permit. The permittee is NAVAJO ENGINEERING AND CONSTRUCTION AUTHORITY, and the record lists 0 pollutants with an effluent exceedance.