OHA Drinking Water Services
OR41
PWS ID: 05714 ---- NORTHWEST HAZELNUT COMPANY
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 ARCHIVE 01/14/1991 12/04/1991 A NITRATE 5.9 5 10 MG/L -1908031 Alert Chem NO30 1991-12-04
NO3 CHEM2845 01/24/2008 02/15/2008 02/20/2008 5 EP-A NITRATE 12 5 10 MG/L 0802411 Alert Chem CMCL NO30 2008-02-15
NO3 CHEM3049 07/17/2008 08/01/2008 EP-A NITRATE 9.4 5 10 MG/L 0819908-I Alert Chem NO30 2008-08-01
NO3 CHEM3161 09/03/2008 09/30/2008 10/13/2008 13 EP-A NITRATE 8.8 5 10 MG/L 0824709-I Alert Chem NO30 2008-09-30
NO3 CHEM3272 10/16/2008 12/23/2008 EP-A NITRATE 11.2 5 10 MG/L 454926N-I Alert Chem CMCL NO30 2008-12-23
NO3 CHEM3284 12/11/2008 12/26/2008 12/30/2008 4 EP-A NITRATE 12.8 5 10 MG/L 0834636 Alert Chem CMCL NO30 2008-12-26
NO3 CHEM3384 02/19/2009 02/25/2009 02/27/2009 2 EP-A NITRATE 12.8 5 10 MG/L 461779N-I Alert Chem CMCL NO30 2009-02-25
TCR COLI6479 07/16/2009 07/17/2009 07/22/2009 5 DIST-A COLIFORM (TCR) Present Present Routine 470157 Alert TCR0 2009-07-17
NO3 CHEM3629 07/16/2009 08/14/2009 07/28/2009 -17 EP-A NITRATE 8.8 5 10 MG/L 470157N-I Alert Chem NO30 2009-08-14
TCR COLI6503 07/23/2009 07/24/2009 07/28/2009 4 DIST-A COLIFORM (TCR) Present Present Repeat 470606 Alert TCR0 2009-07-24
TCR COLI6503 07/23/2009 07/24/2009 07/28/2009 4 DIST-A COLIFORM (TCR) Present Present Repeat 470607 Alert TCR0 2009-07-24
TCR COLI6503 07/23/2009 07/24/2009 07/28/2009 4 DIST-A COLIFORM (TCR) Present Present Repeat 470608 Alert TCR0 2009-07-24
TCR COLI6868 10/01/2009 10/02/2009 10/12/2009 10 DIST-A COLIFORM (TCR) Present Present Routine 474674 Alert TCR0 2009-10-02
TCR COLI6868 10/01/2009 10/02/2009 10/12/2009 10 DIST-A COLIFORM (TCR) Present Present Routine 474675 Alert TCR0 2009-10-02
TCR COLI6868 10/01/2009 10/02/2009 10/12/2009 10 DIST-A COLIFORM (TCR) Present Present Routine 474676 Alert TCR0 2009-10-02
TCR COLI6868 10/01/2009 10/02/2009 10/12/2009 10 DIST-A COLIFORM (TCR) Present Present Routine 474677 Alert TCR0 2009-10-02
TCR COLI6868 10/01/2009 10/02/2009 10/12/2009 10 DIST-A COLIFORM (TCR) Present Present Routine 474678 Alert TCR0 2009-10-02
NO3 CHEM3737 10/01/2009 10/06/2009 10/12/2009 6 EP-A NITRATE 10.8 5 10 MG/L 474676N-I Alert Chem CMCL NO30 2009-10-06
TCR COLI9157 02/18/2010 02/19/2010 DIST-A COLIFORM (TCR) Present Present Routine 482998 Alert TCR0 2010-02-19
TCR COLI7410 03/03/2010 03/05/2010 03/16/2010 11 DIST-A COLIFORM (TCR) Present Present Repeat 483737 Alert TCR0 2010-03-05
TCR COLI7410 03/03/2010 03/05/2010 03/16/2010 11 DIST-A COLIFORM (TCR) Present Present Repeat 483738 Alert TCR0 2010-03-05
NO3 CHEM3981 03/03/2010 03/05/2010 03/16/2010 11 EP-A NITRATE 13.2 5 10 MG/L 483735N-I Alert Chem CMCL NO30 2010-03-05
Notice - Source COLI7640 04/29/2010 05/18/2010 05/26/2010 8 SRC-AA COLIFORM (TCR) Present Present Triggered 487082 Notice Source 2010-05-18
Notice - Source COLI7640 04/29/2010 05/18/2010 05/26/2010 8 SRC-AA COLIFORM (TCR) Present Present Triggered 487083 Notice Source 2010-05-18
Notice - Source COLI7640 04/29/2010 05/18/2010 05/26/2010 8 SRC-AA COLIFORM (TCR) Present Present Triggered 487084 Notice Source 2010-05-18
NO3 CHEM4079 04/29/2010 05/20/2010 05/26/2010 6 EP-A NITRATE 9.6 5 10 MG/L 487082N-I Alert Chem NO30 2010-05-20
TCR COLI7677 05/27/2010 06/02/2010 DIST-A COLIFORM (TCR) Present Present Routine 488890 Alert TCR0 2010-06-02
TCR COLI7677 05/27/2010 06/02/2010 DIST-A COLIFORM (TCR) Present Present Routine 488891 Alert TCR0 2010-06-02
NO3 CHEM5713 02/28/2013 03/04/2013 03/12/2013 8 EP-A NITRATE 10.4 5 10 MG/L 305900901-I Alert Chem CMCL NO30 2013-03-04
NO3 CHEM5853 07/11/2013 07/18/2013 07/31/2013 13 EP-A NITRATE 10 5 10 MG/L 319201501-I Alert Chem CMCL NO30 2013-07-18
NO3 CHEM6267 04/17/2014 04/22/2014 04/25/2014 3 EP-A NITRATE 8.93 5 10 MG/L 410702501-I Alert Chem NO30 2014-04-22
NO3 CHEM6596 01/07/2015 01/09/2015 01/16/2015 7 EP-A NITRATE 11.3 5 10 MG/L 500800901-I Alert Chem CMCL NO30 2015-01-09
NO3 CHEM6937 10/29/2015 11/03/2015 EP-A NITRATE 9.25 5 10 MG/L 530200901-I Alert Chem NO30 2015-11-03
NO3 CHEM7145 05/12/2016 05/16/2016 EP-A NITRATE 8.45 5 10 MG/L 613302001-I Alert Chem NO30 2016-05-16
NO3 CHEM7597 05/22/2017 06/05/2017 06/23/2017 18 EP-A NITRATE 8 5 10 MG/L 714300401-I Alert Chem NO30 2017-06-05
NO3 CHEM7652 08/04/2017 08/14/2017 08/16/2017 2 EP-A NITRATE 7.1 5 10 MG/L 721601801-I Alert Chem NO30 2017-08-14
TCR COLI17571 12/21/2017 12/26/2017 DIST-A COLIFORM (TCR) Present Present Routine 735502501 Alert TCR0 2017-12-26
NO3 CHEM8190 12/19/2018 12/27/2018 12/27/2018 0 EP-A NITRATE 7.1 5 10 MG/L 835302601-I Alert Chem NO30 2018-12-27
NO3 CHEM9370 06/18/2021 07/07/2021 07/30/2021 23 EP-A NITRATE 5.6 5 10 MG/L 116900601-I Alert Chem NO30 2021-07-07
NO3 CHEM9444 08/24/2021 09/03/2021 09/29/2021 26 EP-A NITRATE 6.6 5 10 MG/L 123700301-I Alert Chem NO30 2021-09-03
NIT CHEM9446 08/24/2021 09/13/2021 09/29/2021 16 EP-A NITRATE-NITRITE 6.6 10 MG/L 123700301-I Alert Chem NIT0 2021-09-13
NO3 CHEM9490 08/30/2021 10/06/2021 10/11/2021 5 EP-A NITRATE 6.2 5 10 MG/L 124200901-I Alert Chem NO30 2021-10-06
NIT CHEM9500 08/30/2021 10/12/2021 10/11/2021 -1 EP-A NITRATE-NITRITE 6.2 10 MG/L 124200901-I Alert Chem NIT0 2021-10-12
LCR LCR-17 04/11/2023 07/31/2023 08/02/2023 2 DIST-A COPPER SUMMARY 1.59 1.3 MG/L Alert Chem LCR0 2023-07-31
LCR LCR-22 08/08/2023 08/28/2023 02/23/2024 179 DIST-A COPPER SUMMARY 2.3 1.3 MG/L Alert Chem LCR0 2023-08-28
LCR LCR-36 01/29/2024 02/06/2024 02/23/2024 17 DIST-A COPPER SUMMARY 1.78 1.3 MG/L Alert Chem LCR0 2024-02-06
LCR LCR-55 07/18/2024 08/08/2024 08/19/2024 11 DIST-A COPPER SUMMARY 1.37 1.3 MG/L Alert Chem LCR0 2024-08-08
NO3 NO3-354 10/14/2024 11/12/2024 EP-A NITRATE 6.75 5 10 MG/L 4288014-02-I Alert Chem NO30 2024-11-12


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