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WALLA WALLA WATER DIVISION

WA — Community Water System — PWSID: WA5392500

System Information

PWSIDWA5392500
System NameWALLA WALLA WATER DIVISION
System TypeCommunity
Water SourceSurface Water

Location

StateWA
City—
County—
ZIP Code—

Population

Population Served42,959

Drinking Water Violations (141)

This water system has 141 violations recorded in the EPA SDWIS database.

DateContaminantHealth-BasedStatusRule
Jan 1, 2023 Nitrate Y Resolved Nitrate Rule
Oct 1, 2022 Pentachlorophenol Y Resolved Synthetic Organic Chemicals
Oct 1, 2022 2,4,5-TP Y Resolved Synthetic Organic Chemicals
Oct 1, 2022 Dinoseb Y Resolved Synthetic Organic Chemicals
Oct 1, 2022 Dalapon Y Resolved Synthetic Organic Chemicals
Oct 1, 2022 Picloram Y Resolved Synthetic Organic Chemicals
Jul 1, 2022 Picloram Y Resolved Synthetic Organic Chemicals
Jul 1, 2022 Pentachlorophenol Y Resolved Synthetic Organic Chemicals
Jul 1, 2022 Dinoseb Y Resolved Synthetic Organic Chemicals
Jul 1, 2022 Dalapon Y Resolved Synthetic Organic Chemicals
Jul 1, 2022 2,4,5-TP Y Resolved Synthetic Organic Chemicals
Apr 1, 2021 Dalapon Y Resolved Synthetic Organic Chemicals
Apr 1, 2021 Pentachlorophenol Y Resolved Synthetic Organic Chemicals
Apr 1, 2021 2,4,5-TP Y Resolved Synthetic Organic Chemicals
Apr 1, 2021 Dinoseb Y Resolved Synthetic Organic Chemicals
Apr 1, 2021 Picloram Y Resolved Synthetic Organic Chemicals
Jan 1, 2021 TTHM Y Resolved Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2021 Total Haloacetic Acids (HAA5) Y Resolved Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2018 Long Term 2 Enhanced Surface Water Treatment Rule Y Resolved Long Term 2 Enhanced Surface Water Treatment Rule
Dec 1, 2018 Long Term 2 Enhanced Surface Water Treatment Rule Y Resolved Long Term 2 Enhanced Surface Water Treatment Rule
Nov 1, 2018 Long Term 2 Enhanced Surface Water Treatment Rule Y Resolved Long Term 2 Enhanced Surface Water Treatment Rule
Nov 1, 2018 Long Term 2 Enhanced Surface Water Treatment Rule Y Resolved Long Term 2 Enhanced Surface Water Treatment Rule
Oct 1, 2018 Long Term 2 Enhanced Surface Water Treatment Rule Y Resolved Long Term 2 Enhanced Surface Water Treatment Rule
Oct 1, 2018 Long Term 2 Enhanced Surface Water Treatment Rule Y Resolved Long Term 2 Enhanced Surface Water Treatment Rule
Sep 1, 2018 Long Term 2 Enhanced Surface Water Treatment Rule Y Resolved Long Term 2 Enhanced Surface Water Treatment Rule
Sep 1, 2018 Long Term 2 Enhanced Surface Water Treatment Rule Y Resolved Long Term 2 Enhanced Surface Water Treatment Rule
Aug 1, 2018 Long Term 2 Enhanced Surface Water Treatment Rule Y Resolved Long Term 2 Enhanced Surface Water Treatment Rule
Aug 1, 2018 Long Term 2 Enhanced Surface Water Treatment Rule Y Resolved Long Term 2 Enhanced Surface Water Treatment Rule
Jul 1, 2018 Long Term 2 Enhanced Surface Water Treatment Rule Y Resolved Long Term 2 Enhanced Surface Water Treatment Rule
Jul 1, 2018 Long Term 2 Enhanced Surface Water Treatment Rule Y Resolved Long Term 2 Enhanced Surface Water Treatment Rule
Jun 1, 2018 Long Term 2 Enhanced Surface Water Treatment Rule Y Resolved Long Term 2 Enhanced Surface Water Treatment Rule
Jun 1, 2018 Long Term 2 Enhanced Surface Water Treatment Rule Y Resolved Long Term 2 Enhanced Surface Water Treatment Rule
May 1, 2018 Long Term 2 Enhanced Surface Water Treatment Rule Y Resolved Long Term 2 Enhanced Surface Water Treatment Rule
May 1, 2018 Long Term 2 Enhanced Surface Water Treatment Rule Y Resolved Long Term 2 Enhanced Surface Water Treatment Rule
Apr 1, 2018 Long Term 2 Enhanced Surface Water Treatment Rule Y Resolved Long Term 2 Enhanced Surface Water Treatment Rule
Apr 1, 2018 Long Term 2 Enhanced Surface Water Treatment Rule Y Resolved Long Term 2 Enhanced Surface Water Treatment Rule
Mar 1, 2018 Long Term 2 Enhanced Surface Water Treatment Rule Y Resolved Long Term 2 Enhanced Surface Water Treatment Rule
Mar 1, 2018 Long Term 2 Enhanced Surface Water Treatment Rule Y Resolved Long Term 2 Enhanced Surface Water Treatment Rule
Feb 1, 2018 Long Term 2 Enhanced Surface Water Treatment Rule Y Resolved Long Term 2 Enhanced Surface Water Treatment Rule
Feb 1, 2018 Long Term 2 Enhanced Surface Water Treatment Rule Y Resolved Long Term 2 Enhanced Surface Water Treatment Rule
Jan 1, 2018 Long Term 2 Enhanced Surface Water Treatment Rule Y Resolved Long Term 2 Enhanced Surface Water Treatment Rule
Jan 1, 2018 Long Term 2 Enhanced Surface Water Treatment Rule Y Resolved Long Term 2 Enhanced Surface Water Treatment Rule
Dec 1, 2017 Surface Water Treatment Rule Y Resolved Surface Water Treatment Rule
Dec 1, 2017 Surface Water Treatment Rule Y Resolved Surface Water Treatment Rule
Nov 1, 2017 Surface Water Treatment Rule Y Resolved Surface Water Treatment Rule
Nov 1, 2017 Surface Water Treatment Rule Y Resolved Surface Water Treatment Rule
Oct 1, 2017 Surface Water Treatment Rule Y Resolved Surface Water Treatment Rule
Oct 1, 2017 Surface Water Treatment Rule Y Resolved Surface Water Treatment Rule
Sep 1, 2017 Surface Water Treatment Rule Y Resolved Surface Water Treatment Rule
Sep 1, 2017 Surface Water Treatment Rule Y Resolved 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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