EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records
PUBLIC WATER SYSTEM RECORDPWSID AZ0410001

Arizona · Ground water

Ajo Improvement Company

EPA’s September 2026 export lists Ajo Improvement Company (PWSID AZ0410001) as No current violation flagged, serving a reported 2,654 people from a ground water source, with 0 rules in current violation.

Source: EPA SDWIS system-search export · Snapshot 13 Sep 2026 · Federal compliance fields

CURRENT EXPORTNo current violation flaggedNo current violation is flagged in this EPA export. This is not a household water test.
Open EPA Detailed Facility Report ↗

01 / CURRENT FLAGS

EPA compliance flags for Ajo Improvement Company

Ajo Improvement Company is listed as no current violation flagged in the current export; the five federal flag categories remain separate below.

  • NOT FLAGGED
    Health-based violationCurrent HEALTH_FLAG in the EPA export.
  • NOT FLAGGED
    Monitoring and reportingCurrent MR_FLAG in the EPA export.
  • NOT FLAGGED
    Public notificationCurrent PN_FLAG in the EPA export.
  • NOT FLAGGED
    Other violationCurrent OTHER_FLAG in the EPA export.
  • NOT FLAGGED
    Serious violatorCurrent serious-violator status in the EPA export.
Important limit

This page is not a household water test. A clear federal flag does not prove every home has safe water, and a flag is not a measurement at your faucet. Plumbing, service lines, local sampling, private wells, and newer events may not be reflected here.

02 / VIOLATION RECORD

Quarters with violations4rolling history field
Quarters with SNC0significant noncompliance
Rules in current violation0EPA export count
Rules in 3-year window3EPA export count

Current rule entries for Ajo Improvement Company

EPA supplied 2 current contaminant, rule, or violation-category entries for Ajo Improvement Company in the exported fields used here.

  • Monitoring and Reporting
  • Reporting Violation

Three-year entries for Ajo Improvement Company

EPA supplied 3 contaminant or rule entries for Ajo Improvement Company in the three-year history field.

  • 1005=Arsenic
  • 2456=Total Haloacetic Acids (HAA5)
  • 2950=TTHM

03 / OVERSIGHT & COVERAGE

Visits and sanitary surveys for Ajo Improvement Company

The export lists 1 site visits in five years and 0 significant deficiencies for Ajo Improvement Company.

Site visits, past 5 years
1
Inspection visits
0
Other visits
1
Last sanitary survey
12/19/2023
Last recorded visit
12/19/2023
Significant deficiencies
0

Places served by Ajo Improvement Company

EPA associates Ajo Improvement Company with the listed cities, counties, ZIP codes, and Arizona service area identifiers.

State / territory
Arizona
Cities
AJO
Counties
Pima
ZIP codes
Not supplied
Federal PWSID
AZ0410001
Registry ID
110013102365

04 / HOW TO USE THIS RECORD

Current public records for Ajo Improvement Company

EPA’s facility report, the Arizona drinking-water program, and Ajo Improvement Company’s Consumer Confidence Report are the current public records beyond this September 2026 snapshot.

Confirm current conditions with the utility's latest Consumer Confidence Report, your state drinking-water program, and the EPA facility report. For household concerns, ask a qualified local laboratory about tap testing.

How the ledger is built →