OHA Drinking Water Services
OR41
PWS ID: 00506 ---- NEAHKAHNIE WATER DISTRICT
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 12/05/1991 01/15/1992 A CADMIUM 0.004 0.005 MG/L -1966488 Alert Chem IOC0 1992-01-15
IOC ARCHIVE 12/05/1991 01/15/1992 A SODIUM 38 20 MG/L -1966446 Alert Chem IOC0 1992-01-15
IOC ARCHIVE 12/05/1991 01/15/1992 B CADMIUM 0.006 0.005 MG/L -1966435 Alert Chem IOC0 1992-01-15
LCR CHEM1233 08/02/1993 03/21/2005 DIST-A COPPER SUMMARY 2.337 1.3 MG/L Alert Chem LCR0 2005-03-21
LCR CHEM1233 06/02/1995 03/21/2005 DIST-A COPPER SUMMARY 3.01 1.3 MG/L Alert Chem LCR0 2005-03-21
IOC ARCHIVE 08/15/1996 12/03/1996 DA SODIUM 20 20 MG/L 27241-2 Alert Chem IOC0 1996-12-03
LCR CHEM1233 07/29/2000 03/21/2005 DIST-A COPPER SUMMARY 1.48 1.3 MG/L Alert Chem LCR0 2005-03-21
Notice - Sodium CHEM298 12/26/2002 01/31/2003 EP-B SODIUM 21.38 20 MG/L 02360/14I Notice Sodium 2003-01-31
TCR COLI1174 05/27/2004 06/02/2004 DIST-A COLIFORM (TCR) Present Present Routine 369012 Alert TCR0 2004-06-02
Notice - Source COLI7998 08/04/2010 08/05/2010 SRC-AC COLIFORM (TCR) Present Present Assessment 493345 Notice Source 2010-08-05
Notice - Source COLI7998 08/04/2010 08/05/2010 SRC-BA COLIFORM (TCR) Present Present Assessment 493343 Notice Source 2010-08-05
Notice - Sodium CHEM4487 08/04/2010 10/27/2010 EP-A SODIUM 36.3 20 MG/L 1021624-I Notice Sodium 2010-10-27
Notice - Sodium CHEM4487 08/04/2010 10/27/2010 EP-B SODIUM 23.4 20 MG/L 1021625-I Notice Sodium 2010-10-27
Notice - Source COLI9251 06/15/2011 06/16/2011 SRC-AC COLIFORM (TCR) Present Present Assessment 512224 Notice Source 2011-06-16
Notice - Source COLI9273 06/22/2011 06/23/2011 SRC-BA COLIFORM (TCR) Present Present Assessment 512601 Notice Source 2011-06-23
Notice - Source COLI9402 07/19/2011 07/20/2011 SRC-AC COLIFORM (TCR) Present Present Assessment 514009 Notice Source 2011-07-20
Notice - Source COLI9519 08/17/2011 08/18/2011 SRC-BA COLIFORM (TCR) Present Present Assessment 515901 Notice Source 2011-08-18
Notice - Source COLI9647 09/16/2011 09/19/2011 SRC-BA COLIFORM (TCR) Present Present Assessment 517431 Notice Source 2011-09-19
Notice - Source COLI9833 10/19/2011 10/20/2011 SRC-BA COLIFORM (TCR) Present Present Assessment 519379 Notice Source 2011-10-20
Notice - Source COLI9933 11/16/2011 11/17/2011 SRC-AC COLIFORM (TCR) Present Present Assessment 521008 Notice Source 2011-11-17
Notice - Source COLI9933 11/16/2011 11/17/2011 SRC-BA COLIFORM (TCR) Present Present Assessment 521009 Notice Source 2011-11-17
Notice - Source COLI10041 12/21/2011 12/22/2011 SRC-AC COLIFORM (TCR) Present Present Assessment 522625 Notice Source 2011-12-22
Notice - Source COLI10041 12/21/2011 12/22/2011 SRC-BA COLIFORM (TCR) Present Present Assessment 522626 Notice Source 2011-12-22
Notice - Source COLI10133 01/20/2012 01/23/2012 SRC-AC COLIFORM (TCR) Present Present Assessment 523984 Notice Source 2012-01-23
TCR COLI10133 01/20/2012 01/23/2012 SRC-BA E. COLI Present 0 Assessment 523983 Alert TCR0 2012-01-23
Notice - Source COLI10133 01/20/2012 01/23/2012 SRC-BA COLIFORM (TCR) Present Present Assessment 523983 Notice Source 2012-01-23
TCR COLI10139 01/23/2012 01/24/2012 SRC-BA E. COLI Present 0 Confirmation 524053 Alert TCR0 2012-01-24
TCR COLI10139 01/23/2012 01/24/2012 SRC-BA E. COLI Present 0 Confirmation 524054 Alert TCR0 2012-01-24
Notice - Source COLI10139 01/23/2012 01/24/2012 SRC-BA COLIFORM (TCR) Present Present Confirmation 524051 Notice Source 2012-01-24
Notice - Source COLI10139 01/23/2012 01/24/2012 SRC-BA COLIFORM (TCR) Present Present Confirmation 524052 Notice Source 2012-01-24
Notice - Source COLI10139 01/23/2012 01/24/2012 SRC-BA COLIFORM (TCR) Present Present Confirmation 524053 Notice Source 2012-01-24
Notice - Source COLI10139 01/23/2012 01/24/2012 SRC-BA COLIFORM (TCR) Present Present Confirmation 524054 Notice Source 2012-01-24
Notice - Source COLI10139 01/23/2012 01/24/2012 SRC-BA COLIFORM (TCR) Present Present Confirmation 524055 Notice Source 2012-01-24
Notice - Source COLI10494 05/16/2012 05/17/2012 SRC-AC COLIFORM (TCR) Present Present Assessment 529763 Notice Source 2012-05-17
Notice - Source COLI12328 10/16/2013 10/17/2013 SRC-AA COLIFORM (TCR) Present Present Assessment 554155 Notice Source 2013-10-17
Notice - Source COLI12328 10/16/2013 10/17/2013 SRC-BA COLIFORM (TCR) Present Present Assessment 554153 Notice Source 2013-10-17
Notice - Source COLI13453 10/14/2014 10/17/2014 SRC-AA COLIFORM (TCR) Present Present Assessment 570303 Notice Source 2014-10-17
Notice - Source COLI13453 10/14/2014 10/17/2014 SRC-AB COLIFORM (TCR) Present Present Assessment 570304 Notice Source 2014-10-17
Notice - Source COLI13453 10/14/2014 10/17/2014 SRC-AC COLIFORM (TCR) Present Present Assessment 570302 Notice Source 2014-10-17
TCR COLI13612 11/19/2014 11/20/2014 SRC-BA E. COLI Present 0 Assessment 572021 Alert TCR0 2014-11-20
Notice - Source COLI13612 11/19/2014 11/20/2014 SRC-BA COLIFORM (TCR) Present Present Assessment 572021 Notice Source 2014-11-20
Notice - Source COLI15101 12/15/2015 12/17/2015 SRC-AA COLIFORM (TCR) Present Present Assessment 590048 Notice Source 2015-12-17
Notice - Source COLI16283 11/15/2016 11/17/2016 11/15/2016 -2 SRC-AA COLIFORM (TCR) Present Present Assessment 632104901 Notice Source 2016-11-17
TCR COLI16283 11/15/2016 11/17/2016 11/15/2016 -2 SRC-AC E. COLI Present 0 Assessment 632104501 Alert TCR0 2016-11-17
Notice - Source COLI16283 11/15/2016 11/17/2016 11/15/2016 -2 SRC-AC COLIFORM (TCR) Present Present Assessment 632104501 Notice Source 2016-11-17
Notice - Source COLI16305 11/21/2016 11/22/2016 SRC-AC COLIFORM (TCR) Present Present Confirmation 632601302 Notice Source 2016-11-22
Notice - Source COLI17444 11/15/2017 11/16/2017 11/28/2017 12 SRC-AA COLIFORM (TCR) Present Present Assessment 731905903 Notice Source 2017-11-16
TCR COLI17444 11/15/2017 11/16/2017 11/28/2017 12 SRC-AC E. COLI Present 0 Assessment 731905902 Alert TCR0 2017-11-16
Notice - Source COLI17444 11/15/2017 11/16/2017 11/28/2017 12 SRC-AC COLIFORM (TCR) Present Present Assessment 731905902 Notice Source 2017-11-16
Notice - Source COLI17448 11/16/2017 11/17/2017 SRC-AC COLIFORM (TCR) Present Present Confirmation 732003101 Notice Source 2017-11-17
Notice - Source COLI17448 11/16/2017 11/17/2017 SRC-AC COLIFORM (TCR) Present Present Confirmation 732003102 Notice Source 2017-11-17
Notice - Source COLI17448 11/16/2017 11/17/2017 SRC-AC COLIFORM (TCR) Present Present Confirmation 732003104 Notice Source 2017-11-17
Notice - Source COLI18491 12/05/2018 12/07/2018 SRC-AA COLIFORM (TCR) Present Present Assessment 833908304 Notice Source 2018-12-07
Notice - Sodium CHEM8559 08/21/2019 10/03/2019 EP-A SODIUM 34.6 20 MG/L 923305305-I Notice Sodium 2019-10-03
Notice - Sodium CHEM8559 08/21/2019 10/03/2019 EP-B SODIUM 35 20 MG/L 923305306-I Notice Sodium 2019-10-03
Notice - Source COLI19533 11/20/2019 11/21/2019 SRC-AA COLIFORM (TCR) Present Present Assessment 932404502 Notice Source 2019-11-21
Notice - Source COLI19533 11/20/2019 11/21/2019 SRC-BA COLIFORM (TCR) Present Present Assessment 932404503 Notice Source 2019-11-21
LCRE LCRE26697 02/01/2020 03/10/2020 03/10/2020 0 EP-A LCR EXCURSION 14 >0 Alert Chem LCRE0 2020-03-10
LCRE LCRE26698 02/01/2020 03/10/2020 03/10/2020 0 EP-B LCR EXCURSION 14 >0 Alert Chem LCRE0 2020-03-10
Notice - Source COLI20608 12/02/2020 12/03/2020 SRC-AA COLIFORM (TCR) Present Present Assessment 033709204 Notice Source 2020-12-03
Notice - Source COLI20608 12/02/2020 12/03/2020 SRC-BA COLIFORM (TCR) Present Present Assessment 033709203 Notice Source 2020-12-03
Notice - Source COLI21784 12/15/2021 12/17/2021 SRC-AA COLIFORM (TCR) Present Present Assessment 134909404 Notice Source 2021-12-17
Notice - Source COLI21784 12/15/2021 12/17/2021 SRC-AC COLIFORM (TCR) Present Present Assessment 134909403 Notice Source 2021-12-17
Notice - Source COLI21784 12/15/2021 12/17/2021 SRC-BA COLIFORM (TCR) Present Present Assessment 134909402 Notice Source 2021-12-17
Notice - Source COLI23001 12/21/2022 12/22/2022 12/27/2022 5 SRC-AA COLIFORM (TCR) Present Present Assessment 2355069-03 Notice Source 2022-12-22
Notice - Source COLI23001 12/21/2022 12/22/2022 12/27/2022 5 SRC-BA COLIFORM (TCR) Present Present Assessment 2355069-01 Notice Source 2022-12-22
Notice - Source TCR-1609 12/20/2023 12/21/2023 12/21/2023 0 SRC-AA COLIFORM (TCR) Present Present Assessment 3354058-05 Notice Source 2023-12-21
Notice - Source TCR-1608 12/20/2023 12/21/2023 12/21/2023 0 SRC-AB COLIFORM (TCR) Present Present Assessment 3354058-04 Notice Source 2023-12-21
Notice - Source TCR-1607 12/20/2023 12/21/2023 12/21/2023 0 SRC-BA COLIFORM (TCR) Present Present Assessment 3354058-02 Notice Source 2023-12-21


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