OHA Drinking Water Services
PWS ID: 94718 ---- CHEMICAL WASTE MGT OF NW INC

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, LCR = Lead and copper 90th percentile, SODIUM = Sodium*
*Non-alert (water quality notice)
Results:  17 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
CHEM6063 08/29/2013 11/19/2013 EP-A EP for WELL CHEM ANTIMONY 0.010.0065 0.006
CHEM6063 08/29/2013 11/19/2013 EP-A EP for WELL SODIUM* SODIUM 3920
CHEM5878 07/15/2013 08/02/2013 LCR LEAD 90TH % VALUE 0.060.0155
COLI6630 08/10/2009 08/14/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present08/12/2009
CHEM2794 11/05/2007 01/22/2008 EP-A EP for WELL SODIUM* SODIUM 3420
COLI3129 06/13/2006 06/16/2006 DIST-A Distribution System COLI COLIFORM, E. COLI Present Present Present
COLI3129 06/13/2006 06/16/2006 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM1911 08/17/2005 01/23/2006 EP-A EP for WELL SODIUM* SODIUM 8720
CHEM1014 09/09/2004 11/19/2004 EP-A EP for WELL SODIUM* SODIUM 3620
COLI1468 08/24/2004 09/13/2004 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI830 11/04/2003 11/24/2003 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI767 10/29/2003 11/06/2003 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI759 10/29/2003 11/05/2003 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI505 08/12/2003 10/07/2003 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI243 04/30/2003 05/20/2003 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI243 05/06/2003 05/20/2003 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI243 05/15/2003 05/20/2003 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
10/14/2002Coliform
03/04/1997Coliform
08/08/2001AA--WELLSodium38
08/08/2001AA--WELLSodium54
09/15/1998AA--WELLSodium41
09/24/1993AA--WELL - WELLSodium38.7


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
DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA For SDWIS: 2852
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