OHA Drinking Water Services
OR41
PWS ID: 95397 ---- UPPER COLUMBIA MILL ---- INACTIVE
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
NO3 CHEM3472 03/12/2008 04/14/2009 EP-A NITRATE 9.89 10 MG/L 93543-I Alert Chem NO30 2009-04-14
NO3 CHEM3429 07/09/2008 03/27/2009 EP-A NITRATE 9.42 10 MG/L PRG030301-I Alert Chem NO30 2009-03-27
Notice - Sodium CHEM3429 07/09/2008 03/27/2009 EP-A SODIUM 30.7 MG/L PRG030301 Notice Sodium 2009-03-27
NIT CHEM3439 07/09/2008 04/06/2009 EP-A NITRATE-NITRITE 9.42 10 MG/L PRG030301-I Alert Chem NIT0 2009-04-06
NO3 CHEM3472 09/17/2008 04/14/2009 EP-A NITRATE 5.59 10 MG/L 97391-I Alert Chem NO30 2009-04-14
NO3 CHEM3429 10/15/2008 03/27/2009 EP-A NITRATE 10.7 10 MG/L PRJ056402-I Alert Chem CMCL NO30 2009-03-27
NO3 CHEM3450 01/19/2009 04/07/2009 EP-A NITRATE 11.2 10 MG/L 99056-I Alert Chem CMCL NO30 2009-04-07
NO3 CHEM3495 04/08/2009 04/29/2009 EP-A NITRATE 11.3 10 MG/L PSD031302-I Alert Chem CMCL NO30 2009-04-29
NO3 CHEM3611 07/08/2009 07/29/2009 EP-A NITRATE 12.8 10 MG/L PSG029302-I Alert Chem CMCL NO30 2009-07-29
NO3 CHEM3611 07/08/2009 07/29/2009 EP-A NITRATE 13 10 MG/L PSG029303-I Alert Chem CMCL NO30 2009-07-29
Notice - Sodium CHEM3611 07/08/2009 07/29/2009 EP-A SODIUM 29.5 MG/L PSG029303-I Notice Sodium 2009-07-29
NIT CHEM3615 07/08/2009 08/03/2009 EP-A NITRATE-NITRITE 13 10 MG/L PSG029303-I Alert Chem CMCL NIT0 2009-08-03
NO3 CHEM3759 10/06/2009 10/14/2009 01/11/2010 89 EP-A NITRATE 10.8 10 MG/L PSJ019902-I Alert Chem CMCL NO30 2009-10-14
NO3 CHEM3915 01/04/2010 01/22/2010 01/22/2010 0 EP-A NITRATE 10 10 MG/L 105131-I Alert Chem CMCL NO30 2010-01-22
NO3 CHEM4034 04/06/2010 04/15/2010 EP-A NITRATE 11 10 MG/L 407181-I Alert Chem CMCL NO30 2010-04-15
NO3 CHEM4270 07/13/2010 07/27/2010 09/02/2010 37 EP-A NITRATE 11 10 MG/L 714531-I Alert Chem CMCL NO30 2010-07-27
NO3 CHEM4424 10/06/2010 10/15/2010 EP-A NITRATE 12 10 MG/L 1006291-I Alert Chem CMCL NO30 2010-10-15
NO3 CHEM4668 01/03/2011 01/10/2011 01/10/2011 0 EP-A NITRATE 12 10 MG/L 10104121-I Alert Chem CMCL NO30 2011-01-10
NO3 CHEM5466 07/16/2012 08/03/2012 08/03/2012 0 EP-A NITRATE 13.8 10 MG/L 20717073-I Alert Chem CMCL NO30 2012-08-03
Notice - Sodium CHEM5466 07/16/2012 08/03/2012 08/03/2012 0 EP-A SODIUM 24.4 MG/L 20717073-I Notice Sodium 2012-08-03
NIT CHEM5467 07/16/2012 08/06/2012 EP-A NITRATE-NITRITE 13.8 10 MG/L 20717073-I Alert Chem CMCL NIT0 2012-08-06
NO3 CHEM6387 07/09/2014 07/31/2014 07/31/2014 0 EP-A NITRATE 7 10 MG/L 40710151-I Alert Chem NO30 2014-07-31
NO3 CHEM6387 07/09/2014 07/31/2014 07/31/2014 0 EP-A NITRATE 5.32 10 MG/L 40710152-I Alert Chem NO30 2014-07-31
NO3 CHEM6690 04/13/2015 04/20/2015 04/20/2015 0 EP-A NITRATE 14 10 MG/L 50417101-I Alert Chem CMCL NO30 2015-04-20
Notice - Sodium CHEM6729 04/13/2015 06/03/2015 EP-A SODIUM 27 MG/L 50414221-I Notice Sodium 2015-06-03
NO3 CHEM6729 04/21/2015 06/03/2015 EP-A NITRATE 8.67 10 MG/L 50422091-I Alert Chem NO30 2015-06-03
NO3 CHEM6729 04/21/2015 06/03/2015 EP-A NITRATE 7.5 10 MG/L 50422092-I Alert Chem NO30 2015-06-03
NO3 CHEM7104 04/04/2016 04/11/2016 EP-A NITRATE 10.3 10 MG/L 53903 Alert Chem CMCL NO30 2016-04-11


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