OHA Drinking Water Services
PWS ID: 90595 ---- NESTUCCA VALLEY ELEMENTARY SCHOOL
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 03/22/1993 01/13/1994 A SODIUM 26 20 MG/L 930323S*A Alert Chem IOC0 1994-01-13
TCR ARCHIVE 09/15/1993 09/21/1993 COLIFORM, TOTAL (TCR) Present Present Routine 1602 Alert TCR0 1993-09-21
TCR ARCHIVE 09/16/1993 09/21/1993 COLIFORM, TOTAL (TCR) Present Present Routine 1603 Alert TCR0 1993-09-21
TCR ARCHIVE 09/17/1993 09/21/1993 COLIFORM, TOTAL (TCR) Present Present Routine 1701 Alert TCR0 1993-09-21
LCR CHEM1399 11/16/1993 03/21/2005 DIST-A LEAD 90TH % VALUE 0.029 0.0155 MG/L Alert Chem LCR0 2005-03-21
TCR ARCHIVE 09/13/1994 02/08/1995 COLIFORM, TOTAL (TCR) Present Present Routine 1316 Alert TCR0 1995-02-08
IOC ARCHIVE 02/26/1996 09/24/1996 AC SODIUM 88.1 20 MG/L 2112-1 Alert Chem IOC0 1996-09-24
LCR CHEM1596 11/04/1996 05/11/2005 DIST-A LEAD 90TH % VALUE 0.0447 0.0155 MG/L Alert Chem LCR0 2005-05-11
LCR CHEM1399 09/18/1998 03/21/2005 DIST-A LEAD 90TH % VALUE 0.022 0.0155 MG/L Alert Chem LCR0 2005-03-21
LCR CHEM1399 09/09/1999 03/21/2005 DIST-A LEAD 90TH % VALUE 0.14 0.0155 MG/L Alert Chem LCR0 2005-03-21
IOC ARCHIVE 06/19/2001 11/20/2001 A SODIUM 78.9 20 MG/L 0010619037 Alert Chem IOC0 2001-11-20
IOC ARCHIVE 06/19/2001 11/20/2001 A SELENIUM 0.037 0.025 0.05 MG/L 0010619037 Alert Chem IOC0 2001-11-20
LCR CHEM231 06/18/2002 12/11/2002 DIST-A LEAD 90TH % VALUE 0.01975 0.0155 MG/L Alert Chem LCR0 2002-12-11
DBP CHEM1009 09/08/2004 11/19/2004 DIST-A TOTAL TRIHALOMETHANES (TTHM) 0.3375 0.08 0.08 MG/L 20040908-047 Alert Chem CMCL DBP0 2004-11-19
LCRE LCRE1469 08/01/2005 09/20/2005 EP-A LCR EXCURSION 31 >0 Alert Chem LCRE0 2005-09-20
Notice - Sodium CHEM4702 12/21/2010 01/13/2011 EP-A SODIUM 132.5 20 MG/L 20101221022-I Notice Sodium 2011-01-13
Notice - Source COLI9882 10/28/2011 11/01/2011 SRC-AC COLIFORM, TOTAL (TCR) Present Present Assessment 20111028021 Notice Source 2011-11-01
Notice - Source COLI11585 03/28/2013 04/03/2013 SRC-AC COLIFORM, TOTAL (TCR) Present Present Assessment 20130328012 Notice Source 2013-04-03
TCR COLI16733 05/08/2017 05/10/2017 05/16/2017 6 DIST-A COLIFORM, TOTAL (TCR) Present Present Routine 20170508012 Alert TCR0 2017-05-10
DBP CHEM8568 09/18/2019 10/07/2019 10/07/2019 0 DIST-A TOTAL TRIHALOMETHANES (TTHM) 0.249 0.08 0.08 MG/L 20190918010-D Alert Chem CMCL DBP0 2019-10-07
DBP CHEM8568 09/18/2019 10/07/2019 10/07/2019 0 DIST-A TOTAL HALOACETIC ACIDS (HAA5) 0.177 0.06 0.06 MG/L 20190918009-D Alert Chem CMCL DBP0 2019-10-07
Notice - Sodium CHEM8701 09/18/2019 11/20/2019 EP-A SODIUM 143.5 20 MG/L 20190918008-I Notice Sodium 2019-11-20
Notice - Source COLI19611 12/18/2019 12/19/2019 SRC-AB COLIFORM, TOTAL (TCR) Present Present Assessment 20191218040 Notice Source 2019-12-19
LCR CHEM9504 09/24/2021 10/15/2021 10/15/2021 0 DIST-A LEAD 90TH % VALUE 0.0175 0.0155 MG/L Alert Chem LCR0 2021-10-15
LCR CHEM9504 09/24/2021 10/15/2021 10/15/2021 0 DIST-A COPPER 90TH % VALUE 1.54 1.35 MG/L Alert Chem LCR0 2021-10-15
DBP CHEM9642 01/19/2022 02/03/2022 02/04/2022 1 DIST-A TOTAL TRIHALOMETHANES (TTHM) 0.116 0.08 0.08 MG/L 20220119006-D Alert Chem CMCL DBP0 2022-02-03
DBP CHEM9642 01/19/2022 02/03/2022 02/04/2022 1 DIST-A TOTAL HALOACETIC ACIDS (HAA5) 0.10993 0.06 0.06 MG/L 20220119005-D Alert Chem CMCL DBP0 2022-02-03
DBP CHEM9720 04/12/2022 04/26/2022 04/26/2022 0 DIST-A TOTAL TRIHALOMETHANES (TTHM) 0.107 0.08 0.08 MG/L 20220413004-D Alert Chem CMCL DBP0 2022-04-26


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