Public Water Partners

Pasco, WA · Franklin County

PASCO WATER DEPARTMENT Water System

Consumer Confidence Report status

PASCO WATER DEPARTMENT must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for PASCO WATER DEPARTMENT.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Washington’s official records. Always confirm current status with Washington before making decisions based on this information.

System facts

System ID (PWSID)
WA5366400
System type
Community Water System
Population served
115,102
Service connections
31,958
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

PASCO WATER DEPARTMENT is among the 15 largest community water systems in Washington, serving 115,102 people from surface water.

As of August 1, 2026, its federal record holds 49 entries between 1979 and 2025, all of which EPA lists as closed.

Of the 49, 46 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves synthetic organic chemicals, volatile organic chemicals, and inorganic chemicals.

Violation history

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2025 – December 31, 2025

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2025 – December 31, 2025

    Resolved

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    January 1, 2023 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    Dalapon

    January 1, 2023 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    Picloram

    January 1, 2023 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    Dinoseb

    January 1, 2023 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 2023 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    Pentachlorophenol

    January 1, 2023 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    Endrin

    January 1, 2023 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    BHC-GAMMA

    January 1, 2023 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 2023 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    Toxaphene

    January 1, 2023 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) adipate

    January 1, 2023 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    Simazine

    January 1, 2023 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    January 1, 2023 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    Atrazine

    January 1, 2023 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    LASSO

    January 1, 2023 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 2023 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 2023 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    January 1, 2023 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    Benzo(a)pyrene

    January 1, 2023 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    Chlordane

    January 1, 2023 – December 31, 2025

    Archived

  • Monitoring of Treatment (SWTR-Filter)

    —

    Surface Water Treatment Rule

    December 1, 2017 – December 31, 2017

    Resolved

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2016 – October 24, 2016

    Resolved

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2010 – October 27, 2010

    Resolved

  • Monitoring, Regular

    —

    Toluene

    January 1, 2007 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Styrene

    January 1, 2007 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 2007 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 2007 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 2007 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 2007 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 2007 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 2007 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Vinyl chloride

    January 1, 2007 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 2007 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 2007 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 2007 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 2007 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 2007 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 2007 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 2007 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 2007 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 2007 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 2007 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Benzene

    January 1, 2007 – December 31, 2007

    Resolved

  • Follow-up Or Routine LCR Tap M/R

    —

    Lead and Copper Rule

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Repeat Minor (TCR)

    —

    Coliform (TCR)

    April 1, 1992 – April 30, 1992

    Archived

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    October 1, 1991 – October 31, 1991

    Archived

  • Monitoring, Regular

    —

    Gross Alpha, Excl. Radon and U

    October 1, 1979 – October 31, 1979

    Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Common questions

Is PASCO WATER DEPARTMENT required to publish a Consumer Confidence Report?

Yes. PASCO WATER DEPARTMENT is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is PASCO WATER DEPARTMENT’s next Consumer Confidence Report due?

PASCO WATER DEPARTMENT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does PASCO WATER DEPARTMENT have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for PASCO WATER DEPARTMENT.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

PASCO WATER DEPARTMENT

Phone not on record

Pasco, WA 99301