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ENERGY, DEPT OF/100N

Washington — Non-Transient Non-Community — PWSID: WA5341853

System Information

PWSIDWA5341853
System NameENERGY, DEPT OF/100N
System TypeNon-Transient Non-Community
Water SourceSurface Water
Activity StatusInactive
Owner TypeFederal
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedNov 21, 1988
Last ReportedDec 11, 2025

Location & Contact

StateWashington
CityRichland
ZIP Code99354
AddressWashington Closure Hanford, LLC
OrganizationENERGY, DEPT OF/100N
Phone—

Population & Service

Population Served260
Service Connections8

Drinking Water Violations (25)

This water system has 25 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
Oct 1, 2004 Dec 31, 2004 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Oct 1, 2004 Dec 31, 2004 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Oct 1, 2004 Dec 31, 2004 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Oct 1, 2004 Dec 31, 2004 Simazine MR No Yes — 0.004 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Oct 1, 2004 Dec 31, 2004 LASSO MR No Yes — — — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Oct 1, 2004 Dec 31, 2004 Endrin MR No Yes — 0.002 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Oct 1, 2004 Dec 31, 2004 Chlordane MR No Yes — 0.002 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Oct 1, 2004 Dec 31, 2004 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Oct 1, 2004 Dec 31, 2004 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Oct 1, 2004 Dec 31, 2004 Atrazine MR No Yes — 0.003 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Oct 1, 2004 Dec 31, 2004 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Oct 1, 2004 Dec 31, 2004 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Oct 1, 2004 Dec 31, 2004 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Oct 1, 2004 Dec 31, 2004 Toxaphene MR No Yes — 0.003 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Oct 1, 2004 Dec 31, 2004 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Oct 1, 2004 Dec 31, 2004 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Mar 1, 1995 Mar 31, 1995 Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 1995 Surface Water Treatment Rule
Feb 1, 1995 Feb 28, 1995 Surface Water Treatment Rule TT Yes No — — — Resolved Feb 28, 1995 Surface Water Treatment Rule
Jan 1, 1995 Jan 31, 1995 Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 1995 Surface Water Treatment Rule
Dec 1, 1994 Dec 31, 1994 Surface Water Treatment Rule TT Yes No — — — Resolved Dec 31, 1994 Surface Water Treatment Rule
Nov 1, 1994 Nov 30, 1994 Surface Water Treatment Rule TT Yes No — — — Resolved Nov 30, 1994 Surface Water Treatment Rule
Oct 1, 1994 Oct 31, 1994 Surface Water Treatment Rule TT Yes No — — — Resolved Oct 31, 1994 Surface Water Treatment Rule
Sep 1, 1994 Sep 30, 1994 Surface Water Treatment Rule TT Yes No — — — Resolved Sep 30, 1994 Surface Water Treatment Rule
Aug 1, 1994 Aug 31, 1994 Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 1994 Surface Water Treatment Rule
Jul 1, 1994 Jul 31, 1994 Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 1994 Surface Water Treatment 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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