OHA Drinking Water Services
OR41
PWS ID: 00203 ---- COLUMBIA CITY MUN WATERWORKS
Water Quality Alerts

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Alert Date Range: From to
Alert Type
 Alert ID Sample Date Alert Date Contact
Report		 Response
Time (Days)		 Location Analyte
 Result
 Current
Alert Level		 Current
MCL		 Units Sample Type Lab Sample ID SelectAtype FilterAlertDate
LCR CHEM1192 10/22/1993 03/21/2005 DIST-A COPPER SUMMARY 1.91 1.3 MG/L Alert Chem LCR0 2005-03-21
LCR CHEM1192 06/14/1994 03/21/2005 DIST-A COPPER SUMMARY 3.25 1.3 MG/L Alert Chem LCR0 2005-03-21
TCR ARCHIVE 01/21/1999 01/29/1999 COLIFORM (TCR) Present Present Routine 268551 Alert TCR0 1999-01-29
LCR CHEM1192 05/17/2000 03/21/2005 DIST-A COPPER SUMMARY 1.5 1.3 MG/L Alert Chem LCR0 2005-03-21
TCR ARCHIVE 07/06/2000 09/08/2000 COLIFORM (TCR) Present Present Routine 13032 Alert TCR0 2000-09-08
TCR ARCHIVE 07/08/2000 09/27/2000 COLIFORM (TCR) Present Present Repeat 13291 Alert TCR0 2000-09-27
TCR ARCHIVE 10/16/2000 11/09/2000 COLIFORM (TCR) Present Present Routine 19742 Alert TCR0 2000-11-09
TCR COLI1072 03/25/2004 03/31/2004 DIST-A COLIFORM (TCR) Present Present Routine 365280 Alert TCR0 2004-03-31
TCR COLI3795 11/29/2006 11/30/2006 DIST-A COLIFORM (TCR) Present Present Routine 418659 Alert TCR0 2006-11-30
VOC CHEM2536 05/02/2007 06/25/2007 EP-B TOLUENE 0.0036 1 MG/L 0712221-V Alert Chem VOC0 2007-06-25
TCR COLI6233 04/28/2009 04/29/2009 05/01/2009 2 DIST-A COLIFORM (TCR) Present Present Routine 465458 Alert TCR0 2009-04-29
TCR COLI7917 07/15/2010 07/19/2010 07/22/2010 3 DIST-A COLIFORM (TCR) Present Present Routine 492043 Alert TCR0 2010-07-19
Notice - Source COLI7923 07/20/2010 07/21/2010 SRC-CA COLIFORM (TCR) Present Present Triggered 492231 Notice Source 2010-07-21
TCR COLI8677 11/22/2010 11/23/2010 11/29/2010 6 DIST-A COLIFORM (TCR) Present Present Routine 500519 Alert TCR0 2010-11-23
Notice - Sodium CHEM4682 11/29/2010 01/11/2011 EP-C SODIUM 21 20 MG/L 033300701-I Notice Sodium 2011-01-11
TCR COLI9665 09/21/2011 09/22/2011 09/26/2011 4 DIST-A COLIFORM (TCR) Present Present Routine 517741 Alert TCR0 2011-09-22
Notice - Sodium CHEM5969 08/14/2013 09/30/2013 EP-C SODIUM 28.4 20 MG/L 322603601-I Notice Sodium 2013-09-30
Notice - Sodium CHEM9966 09/29/2022 10/26/2022 EP-C SODIUM 26.6 20 MG/L 2272008-01-I Notice Sodium 2022-10-26


More information for this water system: SDWIS ID 4031
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