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DUNCAN TOWN OF

Arizona — Community Water System — PWSID: AZ0406001

System Information

PWSIDAZ0406001
System NameDUNCAN TOWN OF
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedOct 5, 1979
Last ReportedNov 17, 2025

Location & Contact

StateArizona
CityDUNCAN
ZIP Code85534
AddressTERRY HINTON
OrganizationDUNCAN TOWN OF
Phone928-359-2791

Population & Service

Population Served605
Service Connections300

Drinking Water Violations (605)

This water system has 605 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 2, 2025 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Jul 1, 2025 Sep 30, 2025 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Archived Sep 30, 2025 Synthetic Organic Chemicals
Apr 1, 2025 Jun 30, 2025 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Jun 30, 2025 Synthetic Organic Chemicals
Apr 1, 2025 Jun 30, 2025 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 Styrene MR No Yes — 0.1 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Jun 30, 2025 Synthetic Organic Chemicals
Apr 1, 2025 Jun 30, 2025 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 Xylenes, Total MR No Yes — 10 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 Styrene MR No Yes — 0.1 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 Xylenes, Total MR No Yes — 10 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 Styrene MR No Yes — 0.1 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Jun 30, 2025 Volatile Organic Chemicals
Apr 1, 2025 Jun 30, 2025 Xylenes, Total MR No Yes — 10 mg/L — Resolved Jun 30, 2025 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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