OREGON WATER UTILITIES - MOUNTAIN LAKES

Oregon — Community Water System — PWSID: OR4101475

System Information

PWSID	OR4101475
System Name	OREGON WATER UTILITIES - MOUNTAIN LAKES
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	May 31, 1997
Last Reported	Dec 23, 2025

Location & Contact

State	Oregon
City	KLAMATH FALLS
ZIP Code	97603
Address	5391 RUNNING Y RD
Organization	OREGON WATER UTILITIES - MOUNTAIN LAKES
Phone	541-850-5566

Population & Service

Population Served	770
Service Connections	610

Drinking Water Violations (69)

This water system has 69 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, 2024	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jul 23, 2024	Consumer Confidence Rule
Jul 1, 2012	Sep 30, 2012	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Resolved	Sep 30, 2012	Radionuclides and Revised Rad Rule
Jul 1, 2012	Sep 30, 2012	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Resolved	Sep 30, 2012	Radionuclides and Revised Rad Rule
Dec 1, 2006	Dec 31, 2006	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2006	Total Coliform Rule
Nov 1, 2006	Nov 30, 2006	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Nov 30, 2006	Total Coliform Rule
Aug 1, 2005	Aug 31, 2005	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Aug 31, 2005	Total Coliform Rule
May 1, 2004	May 31, 2004	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	May 31, 2004	Total Coliform 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
Oct 19, 2003	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Dec 15, 2003	Consumer Confidence Rule
Jul 1, 2003	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Dec 15, 2003	Consumer Confidence Rule
Jan 1, 2003	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Nov 21, 2003	Lead and Copper Rule
Oct 19, 2002	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Dec 15, 2003	Consumer Confidence Rule
Sep 1, 2002	Sep 30, 2002	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Sep 30, 2002	Total Coliform Rule
Jul 1, 2002	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Dec 15, 2003	Consumer Confidence Rule
Jan 1, 2002	Dec 31, 2004	cis-1,2-Dichloroethylene	MR	No	Yes	—	0.07 mg/L	—	Resolved	Dec 31, 2004	Volatile Organic Chemicals
Jan 1, 2002	Dec 31, 2004	1,2,4-Trichlorobenzene	MR	No	Yes	—	0.07 mg/L	—	Resolved	Dec 31, 2004	Volatile Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Beryllium, Total	MR	No	Yes	—	0.004 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Nickel	MR	No	Yes	—	—	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	1,1,2-Trichloroethane	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2004	Volatile Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Thallium, Total	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Jan 31, 2002	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jan 31, 2002	Total Coliform Rule
Jan 1, 2002	Dec 31, 2004	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	1,1,1-Trichloroethane	MR	No	Yes	—	0.2 mg/L	—	Resolved	Dec 31, 2004	Volatile Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	o-Dichlorobenzene	MR	No	Yes	—	0.6 mg/L	—	Resolved	Dec 31, 2004	Volatile Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Antimony, Total	MR	No	Yes	—	0.006 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2004	Arsenic Rule
Jan 1, 2002	Dec 31, 2004	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Dec 31, 2004	Nitrate Rule
Jan 1, 2002	Dec 31, 2004	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Benzene	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2004	Volatile Organic Chemicals
Jan 1, 2002	Dec 31, 2004	p-Dichlorobenzene	MR	No	Yes	—	0.075 mg/L	—	Resolved	Dec 31, 2004	Volatile Organic Chemicals
Jan 1, 2002	Dec 31, 2004	1,1-Dichloroethylene	MR	No	Yes	—	0.007 mg/L	—	Resolved	Dec 31, 2004	Volatile Organic Chemicals
Jan 1, 2002	Dec 31, 2004	1,2-Dichloroethane	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2004	Volatile Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Carbon tetrachloride	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2004	Volatile Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Trichloroethylene	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2004	Volatile Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Tetrachloroethylene	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2004	Volatile Organic Chemicals
Jan 1, 2002	Dec 31, 2004	CHLOROBENZENE	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 2004	Volatile Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Toluene	MR	No	Yes	—	1 mg/L	—	Resolved	Dec 31, 2004	Volatile Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Ethylbenzene	MR	No	Yes	—	0.7 mg/L	—	Resolved	Dec 31, 2004	Volatile Organic Chemicals
Jan 1, 2002	Dec 31, 2004	trans-1,2-Dichloroethylene	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 2004	Volatile Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Vinyl chloride	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2004	Volatile Organic Chemicals
Jan 1, 2002	Dec 31, 2004	CYANIDE	MR	No	Yes	—	0.2 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	DICHLOROMETHANE	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2004	Volatile Organic Chemicals
Jan 1, 2002	Dec 31, 2004	1,2-Dichloropropane	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2004	Volatile Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Styrene	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 2004	Volatile Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Xylenes, Total	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2004	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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