Vehicle Safety
Recalls Search 320,000+ NHTSA safety recalls Complaints 2.1M+ consumer safety complaints TSBs 4.7M technical service bulletins VIN Lookup Decode any vehicle VIN instantly OBD Codes 12,000+ diagnostic trouble codes Fuel Economy EPA MPG data for all vehicles Safety Ratings 11,700+ NHTSA crash test ratings Investigations 5,300+ NHTSA defect investigations Statistics Recall trends & safety analysis
Consumer Safety
Product Safety 9,700+ CPSC product recalls Food Safety 28,600+ FDA food recalls Pet Safety 1.3M FDA animal adverse events Drug Safety 17,500+ FDA drug recalls Device Safety 38,400+ FDA device recalls Workplace Safety 102,900+ OSHA injury reports Brand History Cross-category recall lookup by company
Infrastructure
Bridge Safety 624,000 bridge inspections Aviation Safety 30,000+ NTSB aviation events Dam Safety 92,600 dam safety records Water Safety 433,000+ public water systems Railroad Safety 438,000+ rail crossings Pipeline Safety 8,800+ pipeline incidents
Public Health
Nursing Homes 14,700 CMS rated facilities Environmental 80,000+ hazardous sites & releases

MONTE VISTA WATER COMPANY

Arizona — Community Water System — PWSID: AZ0402043

System Information

PWSIDAZ0402043
System NameMONTE VISTA WATER COMPANY
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
CityTUCSON
ZIP Code85756
Address1645 W Valencia Road
OrganizationJUHL, PAUL
Phone520-304-8277

Population & Service

Population Served150
Service Connections50

Drinking Water Violations (338)

This water system has 338 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
Dec 20, 2024 — Public Notice Other No No — — — Resolved Jan 3, 2025 Public Notice Rule and Revised PN Rule
Dec 20, 2024 — Public Notice Other No No — — — Resolved Jan 3, 2025 Public Notice Rule and Revised PN Rule
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Unaddressed — Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Unaddressed — Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Unaddressed — Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Unaddressed — Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Unaddressed — Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Unaddressed — Lead and Copper Rule Revisions
Oct 2, 2024 — Consumer Confidence Rule Other No No — — — Resolved Dec 20, 2024 Consumer Confidence Rule
Oct 2, 2024 — Consumer Confidence Rule Other No No — — — Resolved Dec 20, 2024 Consumer Confidence Rule
Apr 5, 2024 — Public Notice Other No No — — — Resolved Dec 20, 2024 Public Notice Rule and Revised PN Rule
Apr 5, 2024 — Public Notice Other No No — — — Resolved Dec 20, 2024 Public Notice Rule and Revised PN Rule
Jan 18, 2024 — Public Notice Other No No — — — Resolved Dec 20, 2024 Public Notice Rule and Revised PN Rule
Jan 18, 2024 — Public Notice Other No No — — — Resolved Dec 20, 2024 Public Notice Rule and Revised PN Rule
Jan 1, 2024 Mar 31, 2024 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Mar 31, 2024 Arsenic Rule
Jan 1, 2024 Mar 31, 2024 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Mar 31, 2024 Arsenic Rule
Jan 1, 2024 Mar 31, 2024 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Mar 31, 2024 Arsenic Rule
Jan 1, 2024 Mar 31, 2024 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Mar 31, 2024 Arsenic Rule
Jan 1, 2024 Mar 31, 2024 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Mar 31, 2024 Arsenic Rule
Oct 2, 2023 — Consumer Confidence Rule Other No No — — — Resolved Oct 31, 2023 Consumer Confidence Rule
Oct 2, 2023 — Consumer Confidence Rule Other No No — — — Resolved Oct 31, 2023 Consumer Confidence Rule
Oct 1, 2023 Dec 31, 2023 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Dec 31, 2023 Arsenic Rule
Oct 1, 2023 Dec 31, 2023 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Dec 31, 2023 Arsenic Rule
Oct 1, 2023 Dec 31, 2023 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Dec 31, 2023 Arsenic Rule
Oct 1, 2023 Dec 31, 2023 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Dec 31, 2023 Arsenic Rule
Oct 1, 2023 Dec 31, 2023 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Dec 31, 2023 Arsenic Rule
Oct 2, 2020 — Consumer Confidence Rule Other No No — — — Resolved Dec 13, 2022 Consumer Confidence Rule
Oct 2, 2020 — Consumer Confidence Rule Other No No — — — Resolved Dec 13, 2022 Consumer Confidence Rule
Jul 1, 2020 Sep 30, 2020 Arsenic MCL Yes No .012 MG/L 0.010 mg/L .01 Resolved Sep 30, 2020 Arsenic Rule
Jul 1, 2020 — Consumer Confidence Rule Other No No — — — Resolved Aug 10, 2020 Consumer Confidence Rule
Jul 1, 2020 Sep 30, 2020 Arsenic MCL Yes No .012 MG/L 0.010 mg/L .01 Resolved Sep 30, 2020 Arsenic Rule
Jul 1, 2020 — Consumer Confidence Rule Other No No — — — Resolved Aug 10, 2020 Consumer Confidence Rule
Jul 1, 2020 Sep 30, 2020 Arsenic MCL Yes No .012 MG/L 0.010 mg/L .01 Resolved Sep 30, 2020 Arsenic Rule
Apr 1, 2020 Jun 30, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2020 Jun 30, 2020 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Jun 30, 2020 Arsenic Rule
Apr 1, 2020 Jun 30, 2020 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Jun 30, 2020 Arsenic Rule
Apr 1, 2020 Jun 30, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2020 Jun 30, 2020 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Jun 30, 2020 Arsenic Rule
Apr 1, 2020 Jun 30, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Mar 31, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Mar 31, 2020 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Mar 31, 2020 Arsenic Rule
Jan 1, 2020 Mar 31, 2020 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Mar 31, 2020 Arsenic Rule
Jan 1, 2020 Mar 31, 2020 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Mar 31, 2020 Arsenic Rule
Jan 1, 2020 Mar 31, 2020 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Mar 31, 2020 Arsenic Rule
Jan 1, 2020 Mar 31, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2019 Dec 31, 2019 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Dec 31, 2019 Arsenic Rule
Oct 1, 2019 Dec 31, 2019 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Dec 31, 2019 Arsenic Rule
Oct 1, 2019 Dec 31, 2019 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Dec 31, 2019 Arsenic Rule
Oct 1, 2019 Dec 31, 2019 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Dec 31, 2019 Arsenic Rule
Jul 1, 2019 — Consumer Confidence Rule Other No No — — — Resolved Aug 9, 2019 Consumer Confidence 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.

Browse All Water Systems Water Safety Stats Water Safety Home
Browse All Water Systems Water Systems in Arizona