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DALLAS, CITY OF

Oregon — Community Water System — PWSID: OR4100248

System Information

PWSIDOR4100248
System NameDALLAS, CITY OF
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedMar 12, 1979
Last ReportedDec 23, 2025

Location & Contact

StateOregon
CityDALLAS
ZIP Code97338
Address187 SE COURT ST
OrganizationDALLAS, CITY OF
Phone503-623-3446

Population & Service

Population Served17,911
Service Connections6,400

Drinking Water Violations (54)

This water system has 54 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 — Consumer Confidence Rule Other No No — — — Resolved Sep 26, 2025 Consumer Confidence Rule
Jul 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved Jul 8, 2024 Consumer Confidence Rule
Jul 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Sep 29, 2023 Consumer Confidence Rule
Jul 1, 2022 Jul 31, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2022 Surface Water Treatment Rule
Jul 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Sep 7, 2022 Lead and Copper Rule
Jul 1, 2022 Jul 31, 2022 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2022 Jul 31, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2022 Surface Water Treatment Rule
Jun 1, 2022 Jun 30, 2022 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jun 1, 2022 Jun 30, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2022 Surface Water Treatment Rule
Jun 1, 2022 Jun 30, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2022 Surface Water Treatment Rule
Jan 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Sep 7, 2022 Lead and Copper Rule
Dec 1, 2021 Dec 31, 2021 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Dec 1, 2021 Dec 31, 2021 Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2021 Surface Water Treatment Rule
Dec 1, 2021 Dec 31, 2021 Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2021 Surface Water Treatment Rule
Jul 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Feb 1, 2022 Lead and Copper Rule
Jul 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Sep 10, 2021 Lead and Copper Rule
Jan 1, 2021 Jan 31, 2021 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2021 Jan 31, 2021 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2021 Jan 31, 2021 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2021 Jan 31, 2021 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2021 Jan 31, 2021 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2021 Jan 31, 2021 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2018 Jan 31, 2018 Revised Total Coliform Rule MON No No — — — Resolved Jan 31, 2018 Revised Total Coliform Rule
Jan 1, 2015 Dec 31, 2015 COLIPHAGE MR No Yes — — — Resolved Dec 31, 2015 Ground Water Rule
Apr 1, 2012 Apr 30, 2012 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2012 Surface Water Treatment Rule
Apr 1, 2012 Apr 30, 2012 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2012 Surface Water Treatment Rule
Apr 1, 2012 Apr 30, 2012 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2012 Surface Water Treatment Rule
Apr 1, 2012 Apr 30, 2012 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2012 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Apr 1, 2012 Apr 30, 2012 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2012 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Apr 1, 2012 Apr 30, 2012 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2012 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Apr 1, 2012 Apr 30, 2012 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2012 Surface Water Treatment Rule
Apr 1, 2012 Apr 30, 2012 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2012 Surface Water Treatment Rule
Apr 1, 2012 Apr 30, 2012 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2012 Surface Water Treatment Rule
Sep 1, 2010 Sep 30, 2010 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2010 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2010 Sep 30, 2010 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2010 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2010 Sep 30, 2010 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2010 Sep 30, 2010 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2010 Sep 30, 2010 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2010 Sep 30, 2010 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2002 Jul 31, 2002 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2002 Total Coliform Rule
Jul 1, 2002 Jul 31, 2002 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2002 Total Coliform Rule
Oct 1, 1994 Oct 31, 1994 Surface Water Treatment Rule TT Yes No — — — Resolved Oct 31, 1994 Surface Water Treatment Rule
Apr 1, 1994 Apr 30, 1994 Surface Water Treatment Rule MR No No — — — Resolved Apr 30, 1994 Surface Water Treatment Rule
Apr 1, 1994 Apr 30, 1994 Surface Water Treatment Rule MR No No — — — Resolved Apr 30, 1994 Surface Water Treatment Rule
Jun 24, 1979 Jun 23, 1980 Barium MR No No — 2 mg/L — Archived Jun 23, 1980 Inorganic Chemicals
Jun 24, 1979 Jun 23, 1980 Nitrate MR No No — 10 mg/L — Archived Jun 23, 1980 Nitrate Rule
Jun 24, 1979 Jun 23, 1980 Arsenic MR No No — 0.010 mg/L — Archived Jun 23, 1980 Arsenic Rule
Jun 24, 1979 Jun 23, 1980 Chromium MR No No — 0.1 mg/L — Archived Jun 23, 1980 Inorganic Chemicals
Jun 24, 1979 Jun 23, 1980 Fluoride MR No No — 4.0 mg/L — Archived Jun 23, 1980 Inorganic Chemicals
Jun 24, 1979 Jun 23, 1980 Cadmium MR No No — 0.005 mg/L — Archived Jun 23, 1980 Inorganic 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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