OHA Drinking Water Services
OR41
PWS ID: 93997 ---- OREGON INSTITUTE OF TECHNOLOGY
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
ARS ARCHIVE 03/23/1993 12/09/1993 AA ARSENIC 0.033 0.01 MG/L 930324CAA Alert Chem ARS0 1993-12-09
IOC ARCHIVE 03/23/1993 12/09/1993 AA SODIUM 25 20 MG/L 930324CAA Alert Chem IOC0 1993-12-09
ARS ARCHIVE 03/23/1993 12/09/1993 BA ARSENIC 0.048 0.01 MG/L 930324CBA Alert Chem ARS0 1993-12-09
IOC ARCHIVE 03/23/1993 12/09/1993 BA SODIUM 30 20 MG/L 930324CBA Alert Chem IOC0 1993-12-09
IOC ARCHIVE 09/30/1996 02/24/1997 AA SODIUM 26.1 20 MG/L 9610-019-1 Alert Chem IOC0 1997-02-24
ARS ARCHIVE 09/29/1997 10/16/1997 AA ARSENIC 0.029 0.01 MG/L 970930AAAA Alert Chem ARS0 1997-10-16
IOC ARCHIVE 09/29/1997 10/16/1997 AA SODIUM 27 20 MG/L 970930AAAA Alert Chem IOC0 1997-10-16
ARS ARCHIVE 04/02/1998 05/29/1998 AA ARSENIC 0.028 0.01 MG/L 980404AA Alert Chem ARS0 1998-05-29
IOC ARCHIVE 04/02/1998 05/29/1998 AA SODIUM 26 20 MG/L 980404AA Alert Chem IOC0 1998-05-29
ARS ARCHIVE 04/02/1998 05/29/1998 BA ARSENIC 0.038 0.01 MG/L 980404BBA Alert Chem ARS0 1998-05-29
IOC ARCHIVE 04/02/1998 05/29/1998 BA SODIUM 31 20 MG/L 980404BBA Alert Chem IOC0 1998-05-29
ARS ARCHIVE 07/30/2001 10/22/2001 AA ARSENIC 0.029 0.01 MG/L 1073119 Alert Chem ARS0 2001-10-22
IOC ARCHIVE 07/30/2001 10/22/2001 AA SODIUM 22.9 20 MG/L 1073119 Alert Chem IOC0 2001-10-22
ARS ARCHIVE 09/11/2001 03/27/2002 BA ARSENIC 0.035 0.01 MG/L 109133 Alert Chem ARS0 2002-03-27
IOC ARCHIVE 09/11/2001 03/27/2002 BA SODIUM 29 20 MG/L 109133 Alert Chem IOC0 2002-03-27
ARS CHEM960 09/09/2004 10/19/2004 EP-A ARSENIC 0.027 0.01 MG/L A40910Y-1 Alert Chem CMCL ARS0 2004-10-19
ARS CHEM960 09/09/2004 10/19/2004 EP-B ARSENIC 0.038 0.01 MG/L A40910Z-1 Alert Chem CMCL ARS0 2004-10-19
ARS CHEM1882 12/13/2005 01/11/2006 EP-A ARSENIC 0.0206 0.01 MG/L 0512326-01A Alert Chem CMCL ARS0 2006-01-11
ARS CHEM1882 12/13/2005 01/11/2006 EP-B ARSENIC 0.0263 0.01 MG/L 0512326-02A Alert Chem CMCL ARS0 2006-01-11
ARS CHEM4321 08/18/2010 08/30/2010 EP-A ARSENIC 0.0262 0.01 MG/L 100862501A-I Alert Chem CMCL ARS0 2010-08-30
Notice - Source COLI8098 08/19/2010 08/23/2010 SRC-AB COLIFORM (TCR) Present Present Assessment B102100 Notice Source 2010-08-23
ARS CHEM4321 08/19/2010 08/30/2010 EP-B ARSENIC 0.0355 0.01 MG/L 100861601B-I Alert Chem CMCL ARS0 2010-08-30
Notice - Source COLI8098 08/20/2010 08/23/2010 SRC-AB COLIFORM (TCR) Present Present Assessment B102120 Notice Source 2010-08-23
ARS CHEM4620 12/14/2010 12/17/2010 EP-A ARSENIC 0.0306 0.01 MG/L 101245301B-I Alert Chem CMCL ARS0 2010-12-17
ARS CHEM4620 12/14/2010 12/17/2010 EP-B ARSENIC 0.0382 0.01 MG/L 101245201B-I Alert Chem CMCL ARS0 2010-12-17
Notice - Sodium CHEM4705 12/14/2010 01/13/2011 EP-A SODIUM 25.3 20 MG/L 101245301B Notice Sodium 2011-01-13
Notice - Sodium CHEM4705 12/14/2010 01/13/2011 EP-B SODIUM 32 20 MG/L 101245201B Notice Sodium 2011-01-13
ARS CHEM5667 12/18/2012 01/10/2013 POU-54 ARSENIC 0.0115 0.01 MG/L 121251501A-I Alert Chem CMCL ARS0 2013-01-10
ARS CHEM6128 12/20/2013 12/31/2013 12/08/2014 342 POU-54 ARSENIC 0.021 0.01 MG/L 131265409A-I Alert Chem CMCL ARS0 2013-12-31
ARS CHEM6623 11/25/2014 02/11/2015 POU-54 ARSENIC 0.0263 0.01 MG/L 141199103A-I Alert Chem CMCL ARS0 2015-02-11
ARS CHEM6623 11/25/2014 02/11/2015 POU-54 ARSENIC 0.00717 0.01 MG/L 141199111A-I Alert Chem CMCL ARS0 2015-02-11
ARS CHEM6623 11/25/2014 02/11/2015 POU-54 ARSENIC 0.014 0.01 MG/L 141199114A-I Alert Chem CMCL ARS0 2015-02-11
ARS CHEM7384 11/01/2016 11/08/2016 11/08/2016 0 POU-54 ARSENIC 0.0206 0.01 MG/L 161120716A-I Alert Chem CMCL ARS0 2016-11-08
ARS CHEM7599 06/09/2017 06/15/2017 06/14/2017 -1 POU-54 ARSENIC 0.0164 0.01 MG/L 170642501A-I Alert Chem CMCL ARS0 2017-06-15
ARS CHEM7798 11/15/2017 12/06/2017 12/06/2017 0 POU-54 ARSENIC 0.0134 0.01 MG/L 171191606A-I Alert Chem CMCL ARS0 2017-12-06
ARS CHEM8194 12/18/2018 01/03/2019 12/18/2019 349 POU-54 ARSENIC 0.0125 0.01 MG/L 181277807A-I Alert Chem CMCL ARS0 2019-01-03
ARS CHEM8749 12/10/2019 12/18/2019 12/18/2019 0 POU-54 ARSENIC 0.0329 0.01 MG/L 1912052418A-I Alert Chem CMCL ARS0 2019-12-18
ARS CHEM8763 12/10/2019 12/19/2019 EP-A ARSENIC 0.0201 0.01 MG/L 1912052801B-I Alert Chem CMCL ARS0 2019-12-19
Notice - Sodium CHEM8844 12/10/2019 02/07/2020 EP-A SODIUM 37.6 20 MG/L 1912052801-I Notice Sodium 2020-02-07
ARS CHEM9604 11/29/2021 12/21/2021 01/03/2022 13 POU-54 ARSENIC 0.0192 0.01 MG/L 2111121708A-I Alert Chem CMCL ARS0 2021-12-21
ARS ARS-52 12/08/2023 12/15/2023 12/15/2023 0 POU-49 ARSENIC 0.0141 0.01 MG/L 23120473-02A-I Alert Chem CMCL ARS0 2023-12-15
TCR TCR-1736 01/31/2024 02/02/2024 02/02/2024 0 DIST-A COLIFORM (TCR) Present Present Routine B24-203 Alert TCR0 2024-02-02



More information for this water system: SDWIS ID 3107
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