OHA Drinking Water Services
PWS ID: 94203 ---- USACE JOHN DAY DAM
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
VOC ARCHIVE 03/07/1991 06/21/1991 AA DICHLOROMETHANE 3.3 0.0005 0.005 MG/L -1877675 Alert Chem VOC0 1991-06-21
VOC ARCHIVE 03/07/1991 06/21/1991 AB DICHLOROMETHANE 3.5 0.0005 0.005 MG/L -1877666 Alert Chem VOC0 1991-06-21
IOC ARCHIVE 12/28/1994 01/31/1995 A FLUORIDE 3.1 2.39 4 MG/L 3801-1 Alert Chem IOC0 1995-01-31
IOC ARCHIVE 12/28/1994 01/31/1995 A SODIUM 63.6 20 MG/L 3801-1 Alert Chem IOC0 1995-01-31
TCR ARCHIVE 07/18/1995 08/16/1995 COLIFORM, TOTAL (TCR) Present Present Routine 5847 Alert TCR0 1995-08-16
TCR ARCHIVE 07/25/1995 08/16/1995 COLIFORM, TOTAL (TCR) Present Present Repeat 5868 Alert TCR0 1995-08-16
TCR ARCHIVE 07/25/1995 08/16/1995 COLIFORM, TOTAL (TCR) Present Present Repeat 5870 Alert TCR0 1995-08-16
TCR ARCHIVE 07/25/1995 08/16/1995 COLIFORM, TOTAL (TCR) Present Present Repeat 5875 Alert TCR0 1995-08-16
TCR ARCHIVE 11/08/1995 11/22/1995 COLIFORM, TOTAL (TCR) Present Present Routine 6201 Alert TCR0 1995-11-22
IOC ARCHIVE 12/28/1998 02/18/1999 A SODIUM 35.5 20 MG/L 81230-12 Alert Chem IOC0 1999-02-18
IOC ARCHIVE 02/11/1999 06/09/1999 BA SODIUM 23 20 MG/L 990211ASBA Alert Chem IOC0 1999-06-09
IOC ARCHIVE 12/27/2001 01/31/2002 A SODIUM 45.3 20 MG/L 1122821 Alert Chem IOC0 2002-01-31
IOC CHEM1130 12/14/2004 01/20/2005 EP-A FLUORIDE 2.9 2.39 4 MG/L 0412327I Alert Chem IOC0 2005-01-20
Notice - Sodium CHEM1130 12/14/2004 01/20/2005 EP-A SODIUM 64.2 20 MG/L 0412327I Notice Sodium 2005-01-20
TCR COLI5620 09/11/2008 09/12/2008 09/15/2008 3 DIST-A COLIFORM, TOTAL (TCR) Present Present Routine 11989 Alert TCR0 2008-09-12
IOC CHEM5003 08/02/2011 08/19/2011 EP-A FLUORIDE 3.08 2.39 4 MG/L 110807301B-I Alert Chem IOC0 2011-08-19
Notice - Sodium CHEM5003 08/02/2011 08/19/2011 EP-A SODIUM 60.5 20 MG/L 110807301B-I Notice Sodium 2011-08-19
TCR COLI10530 06/04/2012 06/05/2012 06/06/2012 1 DIST-A COLIFORM, TOTAL (TCR) Present Present Routine 186892 Alert TCR0 2012-06-05
TCR COLI15715 07/11/2016 07/12/2016 07/13/2016 1 DIST-A COLIFORM, TOTAL (TCR) Present Present Routine 195691 Alert TCR0 2016-07-12
TCR COLI18317 10/11/2018 10/12/2018 10/17/2018 5 DIST-A COLIFORM, TOTAL (TCR) Present Present Routine 201447 Alert TCR0 2018-10-12
IOC CHEM9531 09/20/2021 11/08/2021 11/09/2021 1 EP-A FLUORIDE 2.77 2.39 4 MG/L 210935602-I Alert Chem IOC0 2021-11-08
Notice - Sodium CHEM9531 09/20/2021 11/08/2021 11/09/2021 1 EP-A SODIUM 63.3 20 MG/L 210935602-I Notice Sodium 2021-11-08


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