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NISQUALLY-LESCHI & WEST NISQUALLY

Washington — Community Water System — PWSID: 105300014

System Information

PWSID105300014
System NameNISQUALLY-LESCHI & WEST NISQUALLY
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeNative American
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedJan 27, 1981
Last ReportedDec 30, 2025

Location & Contact

StateWashington
CityOLYMPIA
ZIP Code98513
Address4820 SHE-NAH-NUM DR. S.E.
OrganizationBERKSON, TONY
Phone360-456-5221

Population & Service

Population Served3,200
Service Connections84

Drinking Water Violations (496)

This water system has 496 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 3, 2025 — Public Notice Other No No — — — Resolved May 1, 2025 Public Notice Rule and Revised PN Rule
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Resolved May 1, 2025 Lead and Copper Rule Revisions
Jul 1, 2024 Jul 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Jul 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Jul 31, 2024 Revised Total Coliform Rule MON No No — — — Resolved Jul 31, 2024 Revised Total Coliform Rule
Oct 31, 2023 — Lead and Copper Rule MR No No — TT — Resolved Nov 14, 2023 Lead and Copper Rule
Oct 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Oct 30, 2023 Lead and Copper Rule
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 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Dec 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Dec 31, 2023 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2023 Nitrate Rule
Mar 1, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Mar 1, 2022 Revised Total Coliform Rule
Jan 1, 2022 Jan 31, 2022 Revised Total Coliform Rule MON No No — — — Resolved Jan 31, 2022 Revised Total Coliform Rule
Jan 1, 2022 Dec 31, 2022 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2022 Nitrate Rule
Jan 1, 2022 Dec 31, 2022 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2022 Nitrate Rule
Nov 1, 2021 — Revised Total Coliform Rule RPT No No — — — Resolved Jan 6, 2022 Revised Total Coliform Rule
Sep 1, 2021 Aug 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2021 Aug 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2020 Dec 31, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2020 Revised Total Coliform Rule
Jan 1, 2020 Dec 31, 2022 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Dec 31, 2022 Radionuclides and Revised Rad Rule
Jan 1, 2020 Dec 31, 2022 Combined Uranium MR No Yes — 30 ug/L — Resolved Dec 31, 2022 Radionuclides and Revised Rad Rule
Jan 1, 2020 Dec 31, 2022 Combined Uranium MR No Yes — 30 ug/L — Resolved Dec 31, 2022 Radionuclides and Revised Rad Rule
Jan 1, 2020 Dec 31, 2022 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Dec 31, 2022 Radionuclides and Revised Rad Rule
Jan 1, 2020 — Lead and Copper Rule MR No No — TT — Resolved Sep 24, 2024 Lead and Copper Rule
Jan 1, 2020 Dec 31, 2022 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Dec 31, 2022 Radionuclides and Revised Rad Rule
Jan 1, 2020 Dec 31, 2022 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Dec 31, 2022 Radionuclides and Revised Rad Rule
May 1, 2019 May 31, 2019 Revised Total Coliform Rule MON No No — — — Resolved May 31, 2019 Revised Total Coliform Rule
Apr 1, 2019 Jun 30, 2019 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Dec 31, 2019 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2019 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2019 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2019 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2019 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2019 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2019 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2019 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2019 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2019 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2019 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2019 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2019 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Dec 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2019 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 — Lead and Copper Rule MR No No — TT — Resolved Sep 24, 2024 Lead and Copper Rule
Jan 1, 2019 Dec 31, 2019 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2019 Nitrate Rule
Jan 1, 2019 Dec 31, 2019 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2019 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2019 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2019 Volatile Organic Chemicals
Jan 1, 2019 Dec 31, 2019 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2019 Volatile Organic Chemicals
Apr 1, 2018 Jun 30, 2018 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2017 — Lead and Copper Rule MR No No — TT — Resolved Sep 18, 2018 Lead and Copper Rule
Sep 1, 2017 Aug 31, 2018 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts 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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