OHA Drinking Water Services
PWS ID: 93718 ---- NINETY-ONE ELEM SD 91
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
TCR ARCHIVE 11/14/1994 09/12/1995 COLIFORM, TOTAL (TCR) Present Present Routine 941114AU1 Alert TCR0 1995-09-12
TCR ARCHIVE 03/27/1995 09/12/1995 COLIFORM, TOTAL (TCR) Present Present Routine 950327AG2 Alert TCR0 1995-09-12
TCR ARCHIVE 06/19/1995 09/12/1995 COLIFORM, TOTAL (TCR) Present Present Routine 950619BR1 Alert TCR0 1995-09-12
TCR ARCHIVE 06/19/1995 09/12/1995 COLIFORM, TOTAL (TCR) Present Present Routine 950619BR2 Alert TCR0 1995-09-12
TCR ARCHIVE 06/28/1995 09/12/1995 COLIFORM, TOTAL (TCR) Present Present Repeat 950628BF1 Alert TCR0 1995-09-12
TCR ARCHIVE 06/28/1995 09/12/1995 COLIFORM, TOTAL (TCR) Present Present Repeat 950628BF2 Alert TCR0 1995-09-12
TCR ARCHIVE 06/28/1995 09/12/1995 COLIFORM, TOTAL (TCR) Present Present Repeat 950628BF4 Alert TCR0 1995-09-12
TCR ARCHIVE 03/05/1999 04/07/1999 COLIFORM, TOTAL (TCR) Present Present Routine 990305BC1 Alert TCR0 1999-04-07
IOC ARCHIVE 06/04/1999 07/14/1999 A SODIUM 63 20 MG/L 990604AZ*A Alert Chem IOC0 1999-07-14
ARS CHEM172 03/01/2002 10/14/2002 EP-A ARSENIC 0.017 0.0105 0.01 MG/L A20301AA-1I Alert Chem CMCL ARS0 2002-10-14
Notice - Sodium CHEM172 03/01/2002 10/14/2002 EP-A SODIUM 46 20 MG/L A20301AA-1I Notice Sodium 2002-10-14
ARS CHEM2059 12/22/2005 06/20/2006 EP-A ARSENIC 0.015 0.0105 0.01 MG/L A51223Q-1IOC Alert Chem CMCL ARS0 2006-06-20
Notice - Sodium CHEM2059 12/22/2005 06/20/2006 EP-A SODIUM 49 20 MG/L A51223Q-1IOC Notice Sodium 2006-06-20
ARS CHEM3890 12/16/2009 01/08/2010 01/11/2010 3 EP-A ARSENIC 0.016 0.0105 0.01 MG/L 91217131-I Alert Chem CMCL ARS0 2010-01-08
ARS CHEM3924 01/14/2010 01/28/2010 01/28/2010 0 EP-A ARSENIC 0.017 0.0105 0.01 MG/L 114261-I Alert Chem CMCL ARS0 2010-01-28
ARS CHEM4563 10/14/2010 11/17/2010 11/18/2010 1 EP-A ARSENIC 0.016 0.0105 0.01 MG/L 1014241-I Alert Chem CMCL ARS0 2010-11-17
ARS CHEM4801 03/17/2011 03/23/2011 03/24/2011 1 EP-A ARSENIC 0.017 0.0105 0.01 MG/L 10317441-I Alert Chem CMCL ARS0 2011-03-23
ARS CHEM4970 07/14/2011 07/22/2011 07/25/2011 3 EP-A ARSENIC 0.017 0.0105 0.01 MG/L 10714151-I Alert Chem CMCL ARS0 2011-07-22
ARS CHEM5130 10/27/2011 11/08/2011 11/09/2011 1 EP-A ARSENIC 0.0124 0.0105 0.01 MG/L 11027221-I Alert Chem CMCL ARS0 2011-11-08
ARS CHEM5228 01/06/2012 01/18/2012 01/19/2012 1 EP-A ARSENIC 0.0106 0.0105 0.01 MG/L 20106101-I Alert Chem CMCL ARS0 2012-01-18
Notice - Sodium CHEM6380 06/26/2014 07/25/2014 EP-A SODIUM 55.4 20 MG/L 40627071-I Notice Sodium 2014-07-25
ARS CHEM7700 09/14/2017 09/20/2017 EP-A ARSENIC 0.0177 0.0105 0.01 MG/L 70915001-I Alert Chem CMCL ARS0 2017-09-20


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