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PORTER MOUNTAIN DWID

Arizona — Community Water System — PWSID: AZ0409024

System Information

PWSIDAZ0409024
System NamePORTER MOUNTAIN DWID
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
CityLAKESIDE
ZIP Code85929
AddressPO BOX 727
OrganizationWUERTZ, CAROLYN
Phone520-977-9439

Population & Service

Population Served322
Service Connections140

Drinking Water Violations (249)

This water system has 249 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 Chlorine MR No Yes — 4.0 mg/L — Archived Sep 30, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2025 Aug 31, 2025 Chlorine MR No Yes — 4.0 mg/L — Archived Aug 31, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2025 — Consumer Confidence Rule Other No No — — — Unaddressed — Consumer Confidence Rule
Feb 1, 2025 Feb 28, 2025 Chlorine MR No Yes — 4.0 mg/L — Archived Feb 28, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Dec 31, 2025 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Unaddressed — Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Dec 31, 2025 TTHM MR No Yes — 0.080 mg/L — Unaddressed — Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 19, 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 2, 2024 — Consumer Confidence Rule Other No No — — — Unaddressed — Consumer Confidence Rule
Sep 1, 2024 Sep 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2024 Sep 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2024 Aug 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Aug 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2024 Aug 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Aug 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Jul 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2024 Revised Total Coliform Rule
Jul 1, 2024 Jul 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2024 Revised Total Coliform Rule
Jul 1, 2024 Jul 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Jul 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Jul 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Jul 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2024 Jun 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2024 Jun 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Mar 1, 2024 Mar 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Mar 1, 2024 Mar 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Dec 31, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Dec 31, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2023 Stage 1 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 Mar 31, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Mar 24, 2023 Revised Total Coliform Rule
Nov 1, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Mar 24, 2023 Revised Total Coliform Rule
Oct 1, 2022 Dec 31, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022 Dec 31, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 10, 2021 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Oct 1, 2021 Dec 31, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Dec 31, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2021 Aug 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2021 Aug 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2021 Aug 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2021 Aug 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2021 Aug 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2021 Aug 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 Sep 30, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 Sep 30, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 22, 2021 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Jan 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved May 24, 2021 Lead and Copper Rule
Jan 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved May 24, 2021 Lead and Copper Rule
Jan 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved May 24, 2021 Lead and Copper Rule
Oct 1, 2020 Dec 31, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2020 Stage 1 Disinfectants and Disinfection Byproducts 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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