OHA Drinking Water Services
OR41
PWS ID: 00724 ---- ST HELENS, CITY OF
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
IOC ARCHIVE 06/21/1991 04/27/1994 BA SODIUM 97.7 20 MG/L 910621-034 Alert Chem IOC0 1994-04-27
IOC ARCHIVE 09/03/1992 10/30/1992 B SODIUM 86.29 20 MG/L -1949748 Alert Chem IOC0 1992-10-30
LCR CHEM1287 11/23/1992 03/21/2005 DIST-A LEAD SUMMARY 0.017 0.015 MG/L Alert Chem LCR0 2005-03-21
LCR CHEM1287 11/23/1992 03/21/2005 DIST-A COPPER SUMMARY 1.89 1.3 MG/L Alert Chem LCR0 2005-03-21
LCR CHEM1287 02/10/1993 03/21/2005 DIST-A COPPER SUMMARY 1.62 1.3 MG/L Alert Chem LCR0 2005-03-21
IOC ARCHIVE 03/18/1993 10/22/1993 B SODIUM 82 20 MG/L 16131-3 Alert Chem IOC0 1993-10-22
TCR ARCHIVE 01/19/1995 02/10/1995 COLIFORM (TCR) Present Present Routine 198074 Alert TCR0 1995-02-10
NO3 ARCHIVE 05/16/1996 10/16/1998 AA NITRATE 5 5 10 MG/L 26622-1 Alert Chem NO30 1998-10-16
IOC ARCHIVE 05/16/1996 10/16/1998 BA SODIUM 125 20 MG/L 26622-3 Alert Chem IOC0 1998-10-16
TCR ARCHIVE 04/17/1997 05/15/1997 COLIFORM (TCR) Present Present Routine 238541 Alert TCR0 1997-05-15
IOC ARCHIVE 02/18/1999 04/02/1999 BA SODIUM 120 20 MG/L 049/21 Alert Chem IOC0 1999-04-02
LCR CHEM1287 04/26/2000 03/21/2005 DIST-A COPPER SUMMARY 1.73 1.3 MG/L Alert Chem LCR0 2005-03-21
Notice - Sodium CHEM404 04/17/2003 05/16/2003 EP-B SODIUM 126 20 MG/L 03107/13I Notice Sodium 2003-05-16
TCR COLI3057 06/01/2006 06/02/2006 DIST-A COLIFORM (TCR) Present Present Routine 409010 Alert TCR0 2006-06-02
TCR COLI5936 12/04/2008 12/05/2008 12/05/2008 0 DIST-A COLIFORM (TCR) Present Present Routine 457786 Alert TCR0 2008-12-05
SOC CHEM3424 01/29/2009 03/26/2009 03/26/2009 0 EP-A DIQUAT 0.0004 0.02 MG/L 0902905-S Alert Chem SOC0 2009-03-26
TCR COLI11904 07/17/2013 08/02/2013 08/07/2013 5 DIST-A COLIFORM (TCR) Present Present Routine 549934 Alert TCR0 2013-08-02
TCR COLI12396 11/06/2013 11/07/2013 11/08/2013 1 DIST-A COLIFORM (TCR) Present Present Routine 555025 Alert TCR0 2013-11-07
TCR COLI13031 07/16/2014 07/17/2014 07/18/2014 1 DIST-A COLIFORM (TCR) Present Present Routine 566234 Alert TCR0 2014-07-17
TCR COLI16497 01/18/2017 01/19/2017 01/20/2017 1 DIST-A COLIFORM (TCR) Present Present Routine 603624 Alert TCR0 2017-01-19
TCR COLI17449 11/15/2017 11/17/2017 11/17/2017 0 DIST-A COLIFORM (TCR) Present Present Routine 731910201 Alert TCR0 2017-11-17


More information for this water system: SDWIS ID 4242
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