OHA Drinking Water Services
PWS ID: 01475 ---- OREGON WATER UTILITIES - MOUNTAIN LAKES

Alerts indicate water quality tests with analytical results greater than the detection limit or one-half of the maximum allowable contaminant level which may require some follow-up actions by Drinking Water Services. See the Contacts link for reports on follow-up actions. Alerts are not water quality violations. Violations for this water system can be found here.

Alert Type Abbreviations:  COLI = Coliform, SODIUM = Sodium*
*Non-alert (water quality notice)
Results:  12 alerts found for this water system.Show response time
Water Quality Alerts
Alert ID Sample
Date
Alert
Date
Source
ID
Source Name Alert
Type
Contaminant Result Alert
Level
MCL Contact
Report
COLI22517 09/06/2022 09/08/2022 DIST-A Admin Bldg Kitchen Sink COLI COLIFORM, TOTAL (TCR) Present Present Present09/08/2022
CHEM8430 06/24/2019 08/02/2019 EP-C EP FOR WELL #3 SODIUM* SODIUM 23.220 08/02/2019
CHEM7362 09/27/2016 10/21/2016 EP-C EP FOR WELL #3 SODIUM* SODIUM 2620 10/24/2016
COLI15802 08/01/2016 08/02/2016 DIST-A 5391 running y rd COLI COLIFORM, TOTAL (TCR) Present Present Present08/03/2016
CHEM6076 11/05/2013 12/02/2013 EP-C EP FOR WELL #3 SODIUM* SODIUM 25.620
CHEM4382 08/18/2010 09/28/2010 EP-C EP FOR WELL #3 SODIUM* SODIUM 24.720
CHEM2807 10/29/2007 01/24/2008 EP-C EP FOR WELL #3 SODIUM* SODIUM 25.620
COLI3759 11/15/2006 11/17/2006 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI3749 11/13/2006 11/15/2006 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI2240 07/13/2005 08/05/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM1548 02/24/2005 05/03/2005 EP-C EP FOR WELL #3 SODIUM* SODIUM 26.920
COLI1022 02/17/2004 02/27/2004 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
*Non-alert (water quality notice)


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
12/21/2001Coliform
12/19/2001Coliform
11/13/2000Coliform
02/25/1998Coliform
02/20/1998Coliform
08/10/1999BA--WELL #2Hexachlorobenzene (HCB)0.00011 0.001
11/16/1998AA--WELL #1Nitrate7.5 10
02/25/1998AA--WELL #1Nitrate8.66 10
08/10/1999BA--WELL #2Phthalates (Di(2-Ethylhexyl))0.0014 0.006
08/10/1999BA--WELL #2Styrene0.0305 0.1



For further information on this public water system, click on the area of interest below:
System Info :: Report for Lenders :: Alerts :: Violations :: Compliance & Enforcement :: Contacts & Advisories :: Site Visits :: Public Notice
Coliform Summary :: Coliform Results :: Sampling Schedule for Coliform :: Groundwater/GWUDI Source Details :: Plan Review :: Annual Fee
Chemical Group Summary :: Latest Chemical Results :: Entry Point Detects :: Single Analyte Results 
Chemical Schedule Summary :: Chemical Schedule Details
Lead & Copper :: Corrosion Control (LCR) :: Nitrate :: Arsenic :: Radionuclides :: GWR 4-Log :: LT2 :: Cyanotoxins :: PFAS
DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA For SDWIS: 4308