RAINBOW LAKE

Washington — Community Water System — PWSID: WA5370791

System Information

PWSIDWA5370791
System NameRAINBOW LAKE
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedFeb 7, 1981
Last ReportedDec 11, 2025

Location & Contact

StateWashington
CityShelton
ZIP Code98584
Address21971 N Hwy 101
OrganizationRAINBOW LAKE
Phone

Population & Service

Population Served168
Service Connections67

Drinking Water Violations (12)

This water system has 12 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
Sep 1, 2018 Sep 30, 2018 Revised Total Coliform Rule MON No Yes Resolved Sep 30, 2018 Revised Total Coliform Rule
Nov 1, 2006 Nov 30, 2006 Coliform (TCR) MR No No 5% of samples Archived Nov 30, 2006 Total Coliform Rule
Dec 1, 1991 Dec 31, 1991 Coliform (TCR) MR No Yes 5% of samples Archived Dec 31, 1991 Total Coliform Rule
Oct 1, 1979 Oct 31, 1979 Chromium MR No No 0.1 mg/L Archived Oct 31, 1979 Inorganic Chemicals
Oct 1, 1979 Oct 31, 1979 Nitrate MR No No 10 mg/L Archived Oct 31, 1979 Nitrate Rule
Oct 1, 1979 Oct 31, 1979 Arsenic MR No No 0.010 mg/L Archived Oct 31, 1979 Arsenic Rule
Oct 1, 1979 Oct 31, 1979 Gross Alpha, Excl. Radon and U MR No No 15 pCi/L Archived Oct 31, 1979 Radionuclides and Revised Rad Rule
Oct 1, 1979 Oct 31, 1979 Fluoride MR No No 4.0 mg/L Archived Oct 31, 1979 Inorganic Chemicals
Oct 1, 1979 Oct 31, 1979 Mercury MR No No 0.002 mg/L Archived Oct 31, 1979 Inorganic Chemicals
Oct 1, 1979 Oct 31, 1979 Selenium MR No No 0.05 mg/L Archived Oct 31, 1979 Inorganic Chemicals
Oct 1, 1979 Oct 31, 1979 Cadmium MR No No 0.005 mg/L Archived Oct 31, 1979 Inorganic Chemicals
Oct 1, 1979 Oct 31, 1979 Barium MR No No 2 mg/L Archived Oct 31, 1979 Inorganic 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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