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ANTELOPE WATER COMPANY

Arizona — Community Water System — PWSID: AZ0414001

System Information

PWSIDAZ0414001
System NameANTELOPE WATER COMPANY
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypePrivate
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedOct 5, 1979
Last ReportedNov 17, 2025

Location & Contact

StateArizona
CityWELLTON
ZIP Code85356
Address—
OrganizationBERNER, DOROTHY
Phone928-920-8645

Population & Service

Population Served163
Service Connections65

Drinking Water Violations (348)

This water system has 348 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
Jul 1, 2025 Sep 30, 2025 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Archived Sep 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2025 Sep 30, 2025 TTHM MR No Yes — 0.080 mg/L — Archived Sep 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts 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 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 1, 2024 Dec 31, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Aug 20, 2024 Revised Total Coliform Rule
Jul 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Aug 20, 2024 Revised Total Coliform Rule
Mar 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Apr 17, 2024 Revised Total Coliform Rule
Mar 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Apr 17, 2024 Revised Total Coliform Rule
Oct 1, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved Nov 27, 2023 Revised Total Coliform Rule
Oct 1, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved Nov 27, 2023 Revised Total Coliform Rule
May 1, 2023 May 31, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2023 Surface Water Treatment Rule
May 1, 2023 May 31, 2023 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2023 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
May 1, 2023 May 31, 2023 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2023 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
May 1, 2023 May 31, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2023 Surface Water Treatment Rule
Mar 1, 2023 Mar 31, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2023 Surface Water Treatment Rule
Mar 1, 2023 Mar 31, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2023 Surface Water Treatment Rule
Mar 1, 2023 Mar 31, 2023 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2023 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2023 Mar 31, 2023 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2023 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2023 Dec 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Mar 31, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Dec 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Dec 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Dec 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Dec 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Mar 31, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Dec 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Dec 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Dec 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2022 Dec 31, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2022 Surface Water Treatment Rule
Dec 1, 2022 Dec 31, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2022 Surface Water Treatment Rule
Dec 1, 2022 Dec 31, 2022 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Dec 1, 2022 Dec 31, 2022 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Nov 1, 2022 Nov 30, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Nov 30, 2022 Surface Water Treatment Rule
Nov 1, 2022 Nov 30, 2022 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Nov 30, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Nov 1, 2022 Nov 30, 2022 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Nov 30, 2022 Interim and Long Term 1 Enhanced 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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