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LAMB-WESTON PASCO

Washington — Non-Transient Non-Community — PWSID: WA5373920

System Information

PWSIDWA5373920
System NameLAMB-WESTON PASCO
System TypeNon-Transient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedFeb 7, 1981
Last ReportedDec 11, 2025

Location & Contact

StateWashington
CityPasco
ZIP Code99301
Address960 Glade Rd N
OrganizationLAMB-WESTON PASCO
Phone—

Population & Service

Population Served650
Service Connections1

Drinking Water Violations (37)

This water system has 37 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
Apr 1, 2022 Jun 30, 2022 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 2022 Nitrate Rule
Jan 1, 2022 Mar 31, 2022 Nitrate MR No Yes — 10 mg/L — Resolved Mar 31, 2022 Nitrate Rule
Jul 1, 2020 Sep 30, 2020 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 2020 Nitrate Rule
Apr 1, 2020 Jun 30, 2020 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Jun 30, 2020 Synthetic Organic Chemicals
Apr 1, 2020 Jun 30, 2020 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 2020 Nitrate Rule
Apr 1, 2020 Jun 30, 2020 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Jun 30, 2020 Synthetic Organic Chemicals
Apr 1, 2020 Jun 30, 2020 Dinoseb MR No Yes — 0.007 mg/L — Resolved Jun 30, 2020 Synthetic Organic Chemicals
Apr 1, 2020 Jun 30, 2020 Picloram MR No Yes — 0.5 mg/L — Resolved Jun 30, 2020 Synthetic Organic Chemicals
Apr 1, 2020 Jun 30, 2020 Dalapon MR No Yes — 0.2 mg/L — Resolved Jun 30, 2020 Synthetic Organic Chemicals
Dec 1, 2014 Dec 31, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2014 Total Coliform Rule
Jan 1, 2014 Dec 31, 2014 Nitrate MCL Yes No 20.8 MG/L 10 mg/L — Resolved Dec 31, 2014 Nitrate Rule
Jan 1, 2014 Dec 31, 2014 Nitrate MCL Yes No 20.8 MG/L 10 mg/L — Resolved Dec 31, 2014 Nitrate Rule
Jan 1, 2014 Dec 31, 2014 Nitrate MCL Yes No 20.4 MG/L 10 mg/L — Resolved Dec 31, 2014 Nitrate Rule
Jan 1, 2014 Dec 31, 2014 Nitrate MCL Yes No 20.4 MG/L 10 mg/L — Resolved Dec 31, 2014 Nitrate Rule
Jan 1, 2008 Dec 31, 2010 Beryllium, Total MR No Yes — 0.004 mg/L — Resolved Dec 31, 2010 Inorganic Chemicals
Jan 1, 2008 Dec 31, 2010 Antimony, Total MR No Yes — 0.006 mg/L — Resolved Dec 31, 2010 Inorganic Chemicals
Jan 1, 2008 Dec 31, 2010 Selenium MR No Yes — 0.05 mg/L — Resolved Dec 31, 2010 Inorganic Chemicals
Jan 1, 2008 Dec 31, 2010 Nickel MR No Yes — — — Resolved Dec 31, 2010 Inorganic Chemicals
Jan 1, 2008 Dec 31, 2010 Mercury MR No Yes — 0.002 mg/L — Resolved Dec 31, 2010 Inorganic Chemicals
Jan 1, 2008 Dec 31, 2010 CYANIDE MR No Yes — 0.2 mg/L — Resolved Dec 31, 2010 Inorganic Chemicals
Jan 1, 2008 Dec 31, 2010 Chromium MR No Yes — 0.1 mg/L — Resolved Dec 31, 2010 Inorganic Chemicals
Jan 1, 2008 Dec 31, 2010 Barium MR No Yes — 2 mg/L — Resolved Dec 31, 2010 Inorganic Chemicals
Jan 1, 2008 Dec 31, 2010 Arsenic MR No Yes — 0.010 mg/L — Resolved Dec 31, 2010 Arsenic Rule
Jan 1, 2008 Dec 31, 2010 Fluoride MR No Yes — 4.0 mg/L — Resolved Dec 31, 2010 Inorganic Chemicals
Jan 1, 2008 Dec 31, 2010 Cadmium MR No Yes — 0.005 mg/L — Resolved Dec 31, 2010 Inorganic Chemicals
Jan 1, 2008 Dec 31, 2010 Thallium, Total MR No Yes — 0.002 mg/L — Resolved Dec 31, 2010 Inorganic Chemicals
Jan 1, 2005 Dec 31, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Oct 1, 2003 Dec 31, 2003 Nitrate MCL Yes No 15.1 10 mg/L — Resolved Dec 31, 2003 Nitrate Rule
Oct 1, 2003 Dec 31, 2003 Nitrate MCL Yes No 24.2 10 mg/L — Resolved Dec 31, 2003 Nitrate Rule
Jul 1, 2003 Sep 30, 2003 Nitrate MCL Yes No 18.6 10 mg/L — Resolved Sep 30, 2003 Nitrate Rule
Jul 1, 2003 Sep 30, 2003 Nitrate MCL Yes No 18.6 10 mg/L — Resolved Sep 30, 2003 Nitrate Rule
Apr 1, 2003 Jun 30, 2003 Nitrate MCL Yes No 18.1 10 mg/L — Resolved Jun 30, 2003 Nitrate Rule
Apr 1, 2003 Jun 30, 2003 Nitrate MCL Yes No 18.1 10 mg/L — Resolved Jun 30, 2003 Nitrate Rule
Apr 1, 1995 Apr 30, 1995 Coliform (TCR) MR No Yes — 5% of samples — Archived Apr 30, 1995 Total Coliform 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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