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CIBOLA WATER IMPROVEMENT DISTRICT

Arizona — Community Water System — PWSID: AZ0415123

System Information

PWSIDAZ0415123
System NameCIBOLA WATER IMPROVEMENT DISTRICT
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypePrivate
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedNov 18, 2010
Last ReportedNov 17, 2025

Location & Contact

StateArizona
CityTUCSON
ZIP Code85754
AddressPO BOX 85160
OrganizationSOUTHWESTERN UTILITY MGMT INC
Phone520-623-5172

Population & Service

Population Served197
Service Connections188

Drinking Water Violations (257)

This water system has 257 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
Sep 1, 2025 Sep 30, 2025 Surface Water Treatment Rule MR No Yes — — — Archived Sep 30, 2025 Surface Water Treatment Rule
Jul 1, 2025 — Revised Total Coliform Rule RPT No No — — — Resolved Sep 11, 2025 Revised Total Coliform Rule
Jul 1, 2025 Jul 31, 2025 Surface Water Treatment Rule MR No Yes — — — Archived Jul 31, 2025 Surface Water Treatment Rule
Jul 1, 2025 Jul 31, 2025 Surface Water Treatment Rule MR No Yes — — — Archived Jul 31, 2025 Surface Water Treatment Rule
Jul 1, 2025 — Revised Total Coliform Rule RPT No No — — — Resolved Sep 11, 2025 Revised Total Coliform Rule
Jul 1, 2025 Jul 31, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Jul 31, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2025 Jul 31, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Jul 31, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jun 1, 2025 — Revised Total Coliform Rule RPT No No — — — Resolved Sep 11, 2025 Revised Total Coliform Rule
Jun 1, 2025 — Revised Total Coliform Rule RPT No No — — — Resolved Sep 11, 2025 Revised Total Coliform Rule
May 2, 2025 — Public Notice Other No No — — — Resolved Jul 9, 2025 Public Notice Rule and Revised PN Rule
Apr 2, 2025 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Apr 1, 2025 Apr 30, 2025 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2025 Surface Water Treatment Rule
Apr 1, 2025 Apr 30, 2025 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2025 Surface Water Treatment Rule
Apr 1, 2025 Apr 30, 2025 Chlorine MR No Yes — 4.0 mg/L — Archived Apr 30, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 Apr 30, 2025 Chlorine MR No Yes — 4.0 mg/L — Archived Apr 30, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 Apr 30, 2025 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2025 Surface Water Treatment Rule
Apr 1, 2025 Apr 30, 2025 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2025 Surface Water Treatment Rule
Apr 1, 2025 Apr 30, 2025 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2025 Surface Water Treatment Rule
Mar 1, 2025 Mar 31, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2025 Mar 31, 2025 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2025 Surface Water Treatment Rule
Mar 1, 2025 Mar 31, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2025 Mar 31, 2025 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2025 Surface Water Treatment Rule
Mar 1, 2025 Mar 31, 2025 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2025 Surface Water Treatment Rule
Dec 20, 2024 — Public Notice Other No No — — — Unaddressed — 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 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 1, 2024 Oct 31, 2024 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Nov 15, 2024 Revised Total Coliform Rule
Oct 1, 2024 Oct 31, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2024 Surface Water Treatment Rule
Oct 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Nov 15, 2024 Revised Total Coliform Rule
Oct 1, 2024 Oct 31, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2024 Surface Water Treatment Rule
Oct 1, 2024 Oct 31, 2024 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2024 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Oct 1, 2024 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Sep 29, 2024 — TTHM MR No No — 0.080 mg/L — Addressed — Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 29, 2024 — TTHM MR No No — 0.080 mg/L — Addressed — Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 29, 2024 — TTHM MR No No — 0.080 mg/L — Addressed — Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2024 Sep 30, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2024 Revised Total Coliform Rule
Sep 1, 2024 Sep 30, 2024 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2024 Sep 30, 2024 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2024 Sep 30, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2024 Revised Total Coliform Rule
Sep 1, 2024 Sep 30, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2024 Surface Water Treatment Rule
Sep 1, 2024 Sep 30, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2024 Surface Water Treatment Rule
Jul 1, 2024 Sep 30, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Jul 31, 2024 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2024 Jul 31, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2024 Surface Water Treatment Rule
Jul 1, 2024 Sep 30, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Jul 31, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2024 Surface Water Treatment 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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