CHIWAWA COMMUNITIES ASSN

Washington — Community Water System — PWSID: WA5312850

System Information

PWSID	WA5312850
System Name	CHIWAWA COMMUNITIES ASSN
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Private
EPA Region	10
Serves School	No
Wholesaler	No
First Reported	Feb 7, 1981
Last Reported	Dec 11, 2025

Location & Contact

State	Washington
City	Leavenworth
ZIP Code	98826
Address	2651 Cottonwood Lane
Organization	CHIWAWA COMMUNITIES ASSN
Phone	—

Population & Service

Population Served	352
Service Connections	333

Drinking Water Violations (27)

This water system has 27 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	Sep 26, 2025	Consumer Confidence Rule
Jan 1, 2006	Dec 31, 2006	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2006	Nitrate Rule
Jan 1, 2006	Dec 31, 2006	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2006	Nitrate Rule
Jan 1, 2006	Dec 31, 2006	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2006	Nitrate Rule
Jan 1, 2006	Dec 31, 2006	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2006	Nitrate Rule
Jan 1, 2006	Dec 31, 2006	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2006	Nitrate Rule
Jan 1, 2006	Dec 31, 2006	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2006	Nitrate Rule
Jan 1, 2006	Dec 31, 2006	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2006	Nitrate Rule
Jan 1, 2006	Dec 31, 2006	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2006	Nitrate Rule
Jan 1, 2004	Dec 31, 2004	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2004	Nitrate Rule
Jan 1, 2004	Dec 31, 2004	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2004	Nitrate Rule
Nov 1, 1998	Nov 30, 1998	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Nov 30, 1998	Total Coliform Rule
Jun 1, 1998	Jun 30, 1998	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 1998	Total Coliform Rule
Jun 1, 1998	Jun 30, 1998	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 1998	Total Coliform Rule
Jun 1, 1998	Jun 30, 1998	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 1998	Total Coliform Rule
Oct 1, 1995	Oct 31, 1995	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Oct 31, 1995	Total Coliform Rule
Dec 1, 1992	Dec 31, 1992	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Dec 31, 1992	Total Coliform Rule
Nov 1, 1992	Nov 30, 1992	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Nov 30, 1992	Total Coliform 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	Cadmium	MR	No	No	—	0.005 mg/L	—	Archived	Oct 31, 1979	Inorganic Chemicals
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	Chromium	MR	No	No	—	0.1 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	Barium	MR	No	No	—	2 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	Mercury	MR	No	No	—	0.002 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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