Vehicle Safety
Recalls Search 320,000+ NHTSA safety recalls Complaints 2.1M+ consumer safety complaints TSBs 4.7M technical service bulletins VIN Lookup Decode any vehicle VIN instantly OBD Codes 12,000+ diagnostic trouble codes Fuel Economy EPA MPG data for all vehicles Statistics Recall trends & safety analysis
Consumer Safety
Product Safety 9,700+ CPSC product recalls Food Safety 28,600+ FDA food recalls Pet Safety 1.3M FDA animal adverse events Drug Safety 17,500+ FDA drug recalls Device Safety 38,400+ FDA device recalls Workplace Safety 102,900+ OSHA injury reports
Infrastructure
Bridge Safety 624,000 bridge inspections Aviation Safety 30,000+ NTSB aviation events Dam Safety 92,600 dam safety records Water Safety 433,000+ public water systems Railroad Safety 438,000+ rail crossings Pipeline Safety 8,800+ pipeline incidents
Public Health
Nursing Homes 14,700 CMS rated facilities Environmental 80,000+ hazardous sites & releases

PROSSER CITY OF

Washington — Community Water System — PWSID: WA5369750

System Information

PWSIDWA5369750
System NamePROSSER CITY OF
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedFeb 7, 1981
Last ReportedDec 11, 2025

Location & Contact

StateWashington
CityProsser
ZIP Code99350
AddressPOBox 1639
OrganizationPROSSER CITY OF
Phone—

Population & Service

Population Served6,211
Service Connections2,889

Drinking Water Violations (19)

This water system has 19 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
Jan 1, 2023 Dec 31, 2023 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2023 Nitrate Rule
Jul 1, 2014 — Consumer Confidence Rule Other No No — — — Resolved Oct 15, 2014 Consumer Confidence Rule
Jan 1, 2014 — Lead and Copper Rule MR No No — TT — Resolved Aug 9, 2017 Lead and Copper Rule
Jan 1, 2010 — Lead and Copper Rule MR No No — TT — Resolved Sep 25, 2013 Lead and Copper Rule
Jul 1, 2008 Sep 30, 2008 Fluoride MR No Yes — 4.0 mg/L — Resolved Sep 30, 2008 Inorganic Chemicals
Jul 1, 2008 Sep 30, 2008 Fluoride MR No Yes — 4.0 mg/L — Resolved Sep 30, 2008 Inorganic Chemicals
Jul 1, 2008 Sep 30, 2008 Fluoride MR No Yes — 4.0 mg/L — Resolved Sep 30, 2008 Inorganic Chemicals
Jul 1, 2008 Sep 30, 2008 Fluoride MR No Yes — 4.0 mg/L — Resolved Sep 30, 2008 Inorganic Chemicals
Oct 1, 2004 Dec 31, 2004 Fluoride MR No Yes — 4.0 mg/L — Resolved Dec 31, 2004 Inorganic Chemicals
Oct 1, 2004 Dec 31, 2004 Fluoride MR No Yes — 4.0 mg/L — Resolved Dec 31, 2004 Inorganic Chemicals
Oct 1, 2004 Dec 31, 2004 Fluoride MR No Yes — 4.0 mg/L — Resolved Dec 31, 2004 Inorganic Chemicals
Oct 1, 2004 Dec 31, 2004 Fluoride MR No Yes — 4.0 mg/L — Resolved Dec 31, 2004 Inorganic Chemicals
Oct 1, 1996 Oct 31, 1996 Coliform (TCR) MCL Yes No — 5% of samples — Archived Oct 31, 1996 Total Coliform Rule
Oct 1, 1996 Oct 31, 1996 Coliform (TCR) MCL Yes No — 5% of samples — Archived Oct 31, 1996 Total Coliform Rule
Oct 1, 1996 Oct 31, 1996 Coliform (TCR) MCL Yes No — 5% of samples — Archived Oct 31, 1996 Total Coliform Rule
Oct 19, 1994 Nov 18, 1994 Coliform (TCR) MR No Yes — 5% of samples — Archived Nov 18, 1994 Total Coliform Rule
Jan 1, 1994 Jan 31, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jan 31, 1994 Total Coliform Rule
Sep 1, 1992 Sep 30, 1992 Coliform (TCR) MR No No — 5% of samples — Archived Sep 30, 1992 Total Coliform Rule
Oct 1, 1979 Oct 31, 1979 Gross Alpha, Excl. Radon and U MR No No — 15 pCi/L — Archived Oct 31, 1979 Radionuclides and Revised Rad 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.

Browse All Water Systems Water Safety Stats Water Safety Home
Browse All Water Systems Water Systems in Washington