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GREEN ISLAND HILLS WATER ASSN

Washington — Community Water System — PWSID: WA5300429

System Information

PWSIDWA5300429
System NameGREEN ISLAND HILLS WATER ASSN
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedFeb 7, 1981
Last ReportedDec 11, 2025

Location & Contact

StateWashington
CityMount Vernon
ZIP Code98273
Address14263 Calhoun Rd
OrganizationGREEN ISLAND HILLS WATER ASSN
Phone—

Population & Service

Population Served265
Service Connections77

Drinking Water Violations (490)

This water system has 490 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, 2017 — Consumer Confidence Rule Other No No — — — Resolved Nov 6, 2017 Consumer Confidence Rule
Jul 1, 2013 — Consumer Confidence Rule Other No No — — — Resolved Oct 31, 2013 Consumer Confidence Rule
Apr 1, 2007 Jun 30, 2007 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Apr 1, 2007 Jun 30, 2007 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Jun 30, 2007 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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