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FLAGSTAFF CITY OF

Arizona — Community Water System — PWSID: AZ0403008

System Information

PWSIDAZ0403008
System NameFLAGSTAFF CITY OF
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedOct 5, 1979
Last ReportedNov 17, 2025

Location & Contact

StateArizona
CityFLAGSTAFF
ZIP Code86004
Address2323 N WALGREENS ST
OrganizationMONTOYA, JOLENE
Phone928-213-2117

Population & Service

Population Served76,960
Service Connections23,869

Drinking Water Violations (1,035)

This water system has 1,035 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, 2025 — Revised Total Coliform Rule RPT No No — — — Resolved Aug 12, 2025 Revised Total Coliform Rule
Jul 1, 2025 — Revised Total Coliform Rule RPT No No — — — Resolved Aug 12, 2025 Revised Total Coliform Rule
Jun 1, 2025 Jun 30, 2025 Surface Water Treatment Rule MR No No — — — Resolved Jun 30, 2025 Surface Water Treatment Rule
Jun 1, 2025 Jun 30, 2025 Surface Water Treatment Rule MR No No — — — Resolved Jun 30, 2025 Surface Water Treatment Rule
Jan 1, 2024 Dec 31, 2024 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2024 Volatile Organic Chemicals
Jul 1, 2023 Jul 31, 2023 Chlorite MR No Yes — 1.0 mg/L — Resolved Jul 31, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Jul 31, 2023 Chlorite MR No Yes — 1.0 mg/L — Resolved Jul 31, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 CARBON, TOTAL MR No Yes — TT — Resolved Jun 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 CARBON, TOTAL MR No Yes — TT — Resolved Jun 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Jun 20, 2024 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 Benzene MR No Yes — 0.005 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 Benzene MR No Yes — 0.005 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 Benzene MR No Yes — 0.005 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 Benzene MR No Yes — 0.005 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals
Jan 1, 2023 Jun 20, 2024 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Jun 20, 2024 Volatile Organic Chemicals

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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