NESPELEM AGENCY

Washington — Community Water System — PWSID: 105300007

System Information

PWSID105300007
System NameNESPELEM AGENCY
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
CityNESPELEM
ZIP Code99155
AddressP.O. BOX 150
OrganizationTOULOU, RON
Phone509-634-2809

Population & Service

Population Served445
Service Connections100

Drinking Water Violations (139)

This water system has 139 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
Jul 1, 2025 Consumer Confidence Rule Other No No Resolved Jul 14, 2025 Consumer Confidence Rule
Jan 1, 2024 Mar 31, 2024 Arsenic MR No Yes 0.010 mg/L Resolved Mar 31, 2024 Arsenic Rule
Oct 1, 2023 Dec 31, 2023 Chlorine MR No Yes 4.0 mg/L Resolved Dec 15, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Consumer Confidence Rule Other No No Resolved Aug 21, 2023 Consumer Confidence Rule
Jan 1, 2023 Dec 31, 2023 Nitrate MR No Yes 10 mg/L Resolved Dec 31, 2023 Nitrate Rule
Oct 2, 2022 Consumer Confidence Rule Other No No Resolved Nov 1, 2022 Consumer Confidence Rule
Oct 1, 2019 Dec 31, 2019 Arsenic MR No Yes 0.010 mg/L Resolved Dec 31, 2019 Arsenic Rule
Jan 1, 2019 Dec 31, 2019 Nitrate MR No Yes 10 mg/L Resolved Dec 31, 2019 Nitrate Rule
Jan 1, 2018 Lead and Copper Rule MR No No TT Resolved Mar 21, 2018 Lead and Copper Rule
Oct 1, 2017 Consumer Confidence Rule Other No No Resolved Jan 12, 2018 Consumer Confidence Rule
Oct 1, 2017 Lead and Copper Rule MR No No TT Resolved Nov 29, 2017 Lead and Copper Rule
Jan 1, 2017 Dec 31, 2019 Nickel MR No Yes Resolved Dec 31, 2019 Inorganic Chemicals
Jan 1, 2017 Dec 31, 2019 Heptachlor MR No Yes 0.0004 mg/L Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Methoxychlor MR No Yes 0.04 mg/L Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Methoxychlor MR No Yes 0.04 mg/L Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Diquat MR No Yes 0.02 mg/L Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Endothall MR No Yes 0.1 mg/L Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Glyphosate MR No Yes 0.7 mg/L Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Di(2-ethylhexyl) adipate MR No Yes 0.4 mg/L Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 OXAMYL MR No Yes 0.2 mg/L Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Picloram MR No Yes 0.5 mg/L Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Dinoseb MR No Yes 0.007 mg/L Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Hexachlorocyclopentadiene MR No Yes 0.05 mg/L Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Atrazine MR No Yes 0.003 mg/L Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 LASSO MR No Yes Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Atrazine MR No Yes 0.003 mg/L Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 2,3,7,8-TCDD MR No Yes 0.00000003 mg/L Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Heptachlor MR No Yes 0.0004 mg/L Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 2,4-D MR No Yes 0.07 mg/L Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Pentachlorophenol MR No Yes 0.001 mg/L Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes 0.0002 mg/L Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Simazine MR No Yes 0.004 mg/L Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Simazine MR No Yes 0.004 mg/L Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 1,2-Dichloropropane MR No Yes 0.005 mg/L Resolved Dec 31, 2019 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Benzo(a)pyrene MR No Yes 0.0002 mg/L Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Benzo(a)pyrene MR No Yes 0.0002 mg/L Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Barium MR No Yes 2 mg/L Resolved Dec 31, 2019 Inorganic Chemicals
Jan 1, 2017 Dec 31, 2019 Fluoride MR No Yes 4.0 mg/L Resolved Dec 31, 2019 Inorganic Chemicals
Jan 1, 2017 Dec 31, 2019 Carbofuran MR No Yes 0.04 mg/L Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 o-Dichlorobenzene MR No Yes 0.6 mg/L Resolved Dec 31, 2019 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Styrene MR No Yes 0.1 mg/L Resolved Dec 31, 2019 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2019 trans-1,2-Dichloroethylene MR No Yes 0.1 mg/L Resolved Dec 31, 2019 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Heptachlor epoxide MR No Yes 0.0002 mg/L Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Total Polychlorinated Biphenyls (PCB) MR No Yes 0.0005 mg/L Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Chlordane MR No Yes 0.002 mg/L Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Chlordane MR No Yes 0.002 mg/L Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 BHC-GAMMA MR No Yes 0.0002 mg/L Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Heptachlor epoxide MR No Yes 0.0002 mg/L Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Toxaphene MR No Yes 0.003 mg/L Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2019 Ethylbenzene MR No Yes 0.7 mg/L Resolved Dec 31, 2019 Volatile Organic Chemicals

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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