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HUMBOLDT WATER SYSTEM

Arizona — Community Water System — PWSID: AZ0413052

System Information

PWSIDAZ0413052
System NameHUMBOLDT WATER SYSTEM
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedOct 5, 1979
Last ReportedNov 17, 2025

Location & Contact

StateArizona
CityMAYER
ZIP Code86333
AddressPO BOX 938
OrganizationMCLEAN, STUART
Phone928-925-4837

Population & Service

Population Served825
Service Connections414

Drinking Water Violations (194)

This water system has 194 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Jul 1, 2017 — Consumer Confidence Rule Other No No — — — Resolved Sep 11, 2017 Consumer Confidence Rule
Apr 1, 2015 Jun 30, 2015 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Jun 30, 2015 Arsenic Rule
Apr 1, 2015 Jun 30, 2015 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Jun 30, 2015 Arsenic Rule
Apr 1, 2015 Jun 30, 2015 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Jun 30, 2015 Arsenic Rule
Jan 1, 2015 Mar 31, 2015 Arsenic MCL Yes No .021 MG/L 0.010 mg/L .01 Resolved Mar 31, 2015 Arsenic Rule
Jan 1, 2015 Mar 31, 2015 Arsenic MCL Yes No .021 MG/L 0.010 mg/L .01 Resolved Mar 31, 2015 Arsenic Rule
Jan 1, 2015 Mar 31, 2015 Arsenic MCL Yes No .021 MG/L 0.010 mg/L .01 Resolved Mar 31, 2015 Arsenic Rule
Jan 1, 2015 Mar 31, 2015 Arsenic MCL Yes No .021 MG/L 0.010 mg/L .01 Resolved Mar 31, 2015 Arsenic Rule
Oct 1, 2014 — Consumer Confidence Rule Other No No — — — Resolved Sep 1, 2015 Consumer Confidence Rule
Oct 1, 2014 — Consumer Confidence Rule Other No No — — — Resolved Sep 1, 2015 Consumer Confidence Rule
Oct 1, 2014 Dec 31, 2014 Arsenic MCL Yes No .018 MG/L 0.010 mg/L .01 Resolved Dec 31, 2014 Arsenic Rule
Oct 1, 2014 Dec 31, 2014 Arsenic MCL Yes No .018 MG/L 0.010 mg/L .01 Resolved Dec 31, 2014 Arsenic Rule
Oct 1, 2014 Dec 31, 2014 Arsenic MCL Yes No .018 MG/L 0.010 mg/L .01 Resolved Dec 31, 2014 Arsenic Rule
Jul 1, 2014 Sep 30, 2014 Arsenic MCL Yes No .018 MG/L 0.010 mg/L .01 Resolved Sep 30, 2014 Arsenic Rule
Jul 1, 2014 Sep 30, 2014 Arsenic MCL Yes No .018 MG/L 0.010 mg/L .01 Resolved Sep 30, 2014 Arsenic Rule
Jul 1, 2014 Sep 30, 2014 Arsenic MCL Yes No .018 MG/L 0.010 mg/L .01 Resolved Sep 30, 2014 Arsenic Rule
Apr 1, 2014 Jun 30, 2014 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 2014 Nitrate Rule
Apr 1, 2014 Jun 30, 2014 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 2014 Nitrate Rule
Apr 1, 2014 Jun 30, 2014 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 2014 Nitrate Rule
Apr 1, 2014 Jun 30, 2014 Arsenic MCL Yes No .018 MG/L 0.010 mg/L .01 Resolved Jun 30, 2014 Arsenic Rule
Apr 1, 2014 Jun 30, 2014 Arsenic MCL Yes No .018 MG/L 0.010 mg/L .01 Resolved Jun 30, 2014 Arsenic Rule
Apr 1, 2014 Jun 30, 2014 Arsenic MCL Yes No .018 MG/L 0.010 mg/L .01 Resolved Jun 30, 2014 Arsenic Rule
Apr 1, 2014 Jun 30, 2014 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 2014 Nitrate Rule
Jan 1, 2014 Mar 31, 2014 Arsenic MCL Yes No .017 MG/L 0.010 mg/L .01 Resolved Mar 31, 2014 Arsenic Rule
Jan 1, 2014 Mar 31, 2014 Arsenic MCL Yes No .017 MG/L 0.010 mg/L .01 Resolved Mar 31, 2014 Arsenic Rule
Jan 1, 2014 Mar 31, 2014 Arsenic MCL Yes No .017 MG/L 0.010 mg/L .01 Resolved Mar 31, 2014 Arsenic Rule
Oct 1, 2013 — Consumer Confidence Rule Other No No — — — Resolved Sep 1, 2015 Consumer Confidence Rule
Oct 1, 2013 — Consumer Confidence Rule Other No No — — — Resolved Sep 1, 2015 Consumer Confidence Rule
Oct 1, 2013 Dec 31, 2013 Arsenic MCL Yes No .02 MG/L 0.010 mg/L .01 Resolved Dec 31, 2013 Arsenic Rule
Oct 1, 2013 Dec 31, 2013 Arsenic MCL Yes No .02 MG/L 0.010 mg/L .01 Resolved Dec 31, 2013 Arsenic Rule
Oct 1, 2013 Dec 31, 2013 Arsenic MCL Yes No .02 MG/L 0.010 mg/L .01 Resolved Dec 31, 2013 Arsenic Rule
Jul 1, 2013 Sep 30, 2013 Arsenic MCL Yes No .018 MG/L 0.010 mg/L .01 Resolved Sep 30, 2013 Arsenic Rule
Jul 1, 2013 Sep 30, 2013 Arsenic MCL Yes No .018 MG/L 0.010 mg/L .01 Resolved Sep 30, 2013 Arsenic Rule
Jul 1, 2013 Sep 30, 2013 Arsenic MCL Yes No .018 MG/L 0.010 mg/L .01 Resolved Sep 30, 2013 Arsenic Rule
Jul 1, 2013 Sep 30, 2013 Arsenic MCL Yes No .018 MG/L 0.010 mg/L .01 Resolved Sep 30, 2013 Arsenic Rule
Apr 1, 2013 Jun 30, 2013 Arsenic MCL Yes No .018 MG/L 0.010 mg/L .01 Resolved Jun 30, 2013 Arsenic Rule
Apr 1, 2013 Jun 30, 2013 Arsenic MCL Yes No .018 MG/L 0.010 mg/L .01 Resolved Jun 30, 2013 Arsenic Rule
Apr 1, 2013 Jun 30, 2013 Arsenic MCL Yes No .018 MG/L 0.010 mg/L .01 Resolved Jun 30, 2013 Arsenic Rule
Apr 1, 2013 Jun 30, 2013 Arsenic MCL Yes No .018 MG/L 0.010 mg/L .01 Resolved Jun 30, 2013 Arsenic Rule
Apr 1, 2013 Jun 30, 2013 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2013 Mar 31, 2013 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2012 Sep 30, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2012 Jun 30, 2012 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 2012 Nitrate Rule
Apr 1, 2012 Jun 30, 2012 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 2012 Nitrate Rule
Apr 1, 2012 Jun 30, 2012 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 2012 Nitrate Rule
Jan 1, 2012 Mar 31, 2012 Nitrate MCL Yes No 11 MG/L 10 mg/L 10 Resolved Mar 31, 2012 Nitrate Rule
Jan 1, 2012 Mar 31, 2012 Nitrate MCL Yes No 11 MG/L 10 mg/L 10 Resolved Mar 31, 2012 Nitrate Rule
Jan 1, 2012 Mar 31, 2012 Nitrate MCL Yes No 11 MG/L 10 mg/L 10 Resolved Mar 31, 2012 Nitrate Rule
Jan 1, 2012 Mar 31, 2012 Nitrate MCL Yes No 11 MG/L 10 mg/L 10 Resolved Mar 31, 2012 Nitrate Rule
Oct 1, 2008 — Lead and Copper Rule MR No No — TT — Resolved Jul 7, 2009 Lead and Copper Rule

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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