OHA Drinking Water Services
PWS ID: 00304 ---- ALDERWOOD WATER DEV CO

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:  CHEM = Chemical, COLI = Coliform, SOURCE = Coliform source sample*, LCR = Lead and copper 90th percentile
*Non-alert (water quality notice)
Results:  16 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
CHEM9902 09/09/2022 09/20/2022 LCR COPPER 90TH % VALUE 1.441.35 09/27/2022
COLI21980 03/04/2022 03/07/2022 DIST-A 5600 Alder Ct hb COLI COLIFORM, E. COLI Present Present Present03/07/2022
COLI21980 03/04/2022 03/07/2022 DIST-A 5600 Alder Ct hb COLI COLIFORM, TOTAL (TCR) Present Present Present03/07/2022
COLI14654 09/08/2015 09/10/2015 DIST-A 83639 clear lake hb COLI COLIFORM, E. COLI Present Present Present09/10/2015
COLI14654 09/08/2015 09/10/2015 DIST-A 83639 clear lake hb COLI COLIFORM, TOTAL (TCR) Present Present Present09/10/2015
CHEM6430 08/26/2014 09/12/2014 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.09440.08 0.08
COLI12401 11/06/2013 11/08/2013 DIST-A 83694 ehart rd hb COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI12046 09/04/2013 09/06/2013 DIST-A pumphouse hose bib COLI COLIFORM, E. COLI Present Present Present09/06/2013
COLI12046 09/04/2013 09/06/2013 DIST-A pumphouse hose bib COLI COLIFORM, TOTAL (TCR) Present Present Present09/06/2013
COLI11615 04/17/2013 04/22/2013 DIST-A 83694 erhart h/b COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI11173 11/14/2012 11/16/2012 DIST-A 83694 erhart h/b COLI COLIFORM, TOTAL (TCR) Present Present Present11/19/2012
COLI10030 12/14/2011 12/19/2011 SRC-AA woahink lake SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
COLI7228 01/13/2010 01/15/2010 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present01/15/2010
COLI2311 08/10/2005 08/15/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM1202 12/09/1999 03/21/2005 LCR LEAD 90TH % VALUE 0.0330.0155
COLI1420 08/18/2004 08/30/2004 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
07/18/2001Coliform
07/20/2000Coliform
09/18/1996Coliform
08/21/1996Coliform
06/25/1996Coliform
10/18/1995Coliform



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: 3954