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YACHATS, CITY OF

Oregon — Community Water System — PWSID: OR4100966

System Information

PWSIDOR4100966
System NameYACHATS, 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
CityYACHATS
ZIP Code97498
AddressPO BOX 345
OrganizationYACHATS, CITY OF
Phone541-547-3565

Population & Service

Population Served1,006
Service Connections950

Drinking Water Violations (196)

This water system has 196 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 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Nov 1, 2024 Nov 30, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Nov 30, 2024 Surface Water Treatment Rule
Nov 1, 2024 Nov 30, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Nov 30, 2024 Surface Water Treatment Rule
Nov 1, 2024 Nov 30, 2024 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Nov 30, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved Jun 25, 2025 Consumer Confidence Rule
Sep 1, 2024 Sep 30, 2024 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2024 Sep 30, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2024 Surface Water Treatment Rule
Sep 1, 2024 Sep 30, 2024 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2024 Sep 30, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2024 Surface Water Treatment Rule
Sep 1, 2024 Sep 30, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2024 Surface Water Treatment Rule
Sep 1, 2024 Sep 30, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2024 Surface Water Treatment Rule
Sep 1, 2024 Sep 30, 2024 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2024 Sep 30, 2024 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2024 Sep 30, 2024 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2024 Sep 30, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2024 Surface Water Treatment Rule
Sep 1, 2024 Sep 30, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2024 Surface Water Treatment Rule
Sep 1, 2024 Sep 30, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2024 Surface Water Treatment Rule
Sep 1, 2024 Sep 30, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2024 Surface Water Treatment Rule
Jul 1, 2024 — Lead and Copper Rule MR No No — TT — Resolved Oct 14, 2024 Lead and Copper Rule
Mar 1, 2024 Mar 31, 2024 Revised Total Coliform Rule MON No No — — — Resolved Mar 31, 2024 Revised Total Coliform Rule
Nov 1, 2023 Nov 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2023 Revised Total Coliform Rule
Nov 1, 2023 Nov 30, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved Nov 30, 2023 Surface Water Treatment Rule
Nov 1, 2023 Nov 30, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved Nov 30, 2023 Surface Water Treatment Rule
Nov 1, 2023 Nov 30, 2023 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Nov 30, 2023 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2023 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Jul 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Aug 1, 2023 Consumer Confidence Rule
Jul 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Jan 10, 2024 Lead and Copper Rule
Apr 1, 2023 Apr 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Apr 30, 2023 Revised Total Coliform Rule
Mar 1, 2023 Mar 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2023 Revised Total Coliform Rule
Jan 1, 2023 Dec 31, 2023 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Jan 1, 2023 Dec 31, 2023 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Jan 1, 2023 Dec 31, 2023 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Jan 1, 2023 Dec 31, 2023 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Jan 1, 2023 Dec 31, 2023 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2023 Nitrate Rule
Jan 1, 2023 Dec 31, 2023 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Jan 1, 2023 Dec 31, 2023 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Jan 1, 2023 Dec 31, 2023 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Jan 1, 2023 Dec 31, 2023 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Jan 1, 2023 Dec 31, 2023 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Jan 1, 2023 Dec 31, 2023 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2023 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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