OHA Drinking Water Services
OR41
PWS ID: 93750 ---- WILLOWCREEK ELEM SD #84
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
 Alert Level MCL Units Sample Type Lab Sample ID SelectAtype FilterAlertDate
NO3 ARCHIVE 03/11/1994 03/22/1994 AA NITRATE 5.64 5 10 MG/L 51310 Alert Chem NO30 1994-03-22
TCR ARCHIVE 06/29/1998 07/06/1998 COLIFORM (TCR) Present Present Routine 45984 Alert TCR0 1998-07-06
ARS ARCHIVE 09/29/1998 11/16/1998 AA ARSENIC 0.04 0.01 MG/L 52058 Alert Chem ARS0 1998-11-16
IOC ARCHIVE 09/29/1998 11/16/1998 AA SODIUM 88.9 20 MG/L 52058 Alert Chem IOC0 1998-11-16
SOC ARCHIVE 03/12/2001 05/22/2001 AA DI(2-ETHYLHEXYL) PHTHALATE 0.0034 0.006 MG/L 18501 Alert Chem SOC0 2001-05-22
IOC ARCHIVE 03/12/2001 11/05/2001 AA SODIUM 78.8 20 MG/L 18499 Alert Chem IOC0 2001-11-05
SOC CHEM889 07/19/2004 09/24/2004 EP-B DI(2-ETHYLHEXYL) PHTHALATE 0.0009 0.006 MG/L 43772S Alert Chem SOC0 2004-09-24
ARS CHEM959 07/19/2004 10/19/2004 EP-B ARSENIC 0.039 0.01 MG/L 43773I Alert Chem CMCL ARS0 2004-10-19
Notice - Sodium CHEM959 07/19/2004 10/19/2004 EP-B SODIUM 73.4 20 MG/L 43773I Notice Sodium 2004-10-19
TCR COLI1967 04/27/2005 05/02/2005 DIST-A COLIFORM (TCR) Present Present Routine 304516051 Alert TCR0 2005-05-02
TCR COLI1991 05/04/2005 05/09/2005 DIST-A COLIFORM (TCR) Present Present Repeat 305517341 Alert TCR0 2005-05-09
TCR COLI1991 05/04/2005 05/09/2005 DIST-A COLIFORM (TCR) Present Present Repeat 305517351 Alert TCR0 2005-05-09
TCR COLI1991 05/04/2005 05/09/2005 DIST-A COLIFORM (TCR) Present Present Repeat 305517361 Alert TCR0 2005-05-09
TCR COLI1991 05/04/2005 05/09/2005 DIST-A COLIFORM (TCR) Present Present Repeat 305517371 Alert TCR0 2005-05-09
TCR COLI3763 11/15/2006 11/17/2006 DIST-A COLIFORM (TCR) Present Present Routine 311646691 Alert TCR0 2006-11-17
TCR COLI3763 11/15/2006 11/17/2006 DIST-A COLIFORM (TCR) Present Present Routine 311646701 Alert TCR0 2006-11-17
TCR COLI3763 11/15/2006 11/17/2006 DIST-A COLIFORM (TCR) Present Present Routine 311646711 Alert TCR0 2006-11-17
TCR COLI3763 11/15/2006 11/17/2006 DIST-A COLIFORM (TCR) Present Present Routine 311646721 Alert TCR0 2006-11-17
TCR COLI3763 11/15/2006 11/17/2006 DIST-A COLIFORM (TCR) Present Present Routine 311646731 Alert TCR0 2006-11-17
LCR CHEM2628 05/23/2007 10/02/2007 DIST-A LEAD SUMMARY 0.01605 0.015 MG/L Alert Chem LCR0 2007-10-02
NO3 CHEM2597 07/23/2007 08/30/2007 EP-B NITRATE 8.48 5 10 MG/L 743831 Alert Chem NO30 2007-08-30
ARS CHEM2621 07/23/2007 10/01/2007 EP-B ARSENIC 0.0558 0.01 MG/L 743821 Alert Chem CMCL ARS0 2007-10-01
Notice - Sodium CHEM2621 07/23/2007 10/01/2007 EP-B SODIUM 44.7 20 MG/L 743821 Notice Sodium 2007-10-01
NIT CHEM3794 07/23/2007 10/20/2009 EP-B NITRATE-NITRITE 8.48 10 MG/L 743831 Alert Chem NIT0 2009-10-20
NIT CHEM2700 09/24/2007 11/01/2007 EP-B NITRATE-NITRITE 8.61 10 MG/L 766111 Alert Chem NIT0 2007-11-01
NIT CHEM2700 09/24/2007 11/01/2007 EP-B NITRATE-NITRITE 8.48 10 MG/L 766121 Alert Chem NIT0 2007-11-01
NO3 CHEM2868 01/16/2008 02/29/2008 EP-A NITRATE 8.13 5 10 MG/L 796031 Alert Chem NO30 2008-02-29
NIT CHEM2893 02/13/2008 03/31/2008 EP-B NITRATE-NITRITE 6.53 10 MG/L 802641-I Alert Chem NIT0 2008-03-31
LCR CHEM5635 09/28/2012 12/11/2012 DIST-A LEAD SUMMARY 0.031 0.015 MG/L Alert Chem LCR0 2012-12-11
ARS CHEM5882 07/15/2013 08/02/2013 SRC-BA ARSENIC 0.0311 0.01 MG/L 1320031-I Alert Chem CMCL ARS0 2013-08-02
ARS CHEM6006 09/18/2013 10/11/2013 10/22/2013 11 EP-B ARSENIC 0.0117 0.01 MG/L 1339531-I Alert Chem CMCL ARS0 2013-10-11
LCR CHEM6661 02/25/2015 03/17/2015 DIST-A LEAD SUMMARY 0.0166 0.015 MG/L Alert Chem LCR0 2015-03-17
LCR CHEM6915 09/16/2015 10/12/2015 01/14/2016 94 DIST-A LEAD SUMMARY 0.0159 0.015 MG/L Alert Chem LCR0 2015-10-12
Notice - Sodium CHEM7243 06/15/2016 08/17/2016 EP-B SODIUM 51.5 20 MG/L 1599811-I Notice Sodium 2016-08-17
ARS CHEM7689 08/30/2017 09/08/2017 09/08/2017 0 EP-B ARSENIC 0.0253 0.01 MG/L 1723471-I Alert Chem CMCL ARS0 2017-09-08
TCR COLI17369 10/25/2017 10/27/2017 10/27/2017 0 DIST-A E. COLI Present 0 Routine 3011584341 Alert TCR0 2017-10-27
TCR COLI17369 10/25/2017 10/27/2017 10/27/2017 0 DIST-A COLIFORM (TCR) Present Present Routine 3011584341 Alert TCR0 2017-10-27
ARS CHEM7859 01/24/2018 02/06/2018 02/07/2018 1 EP-B ARSENIC 0.0691 0.01 MG/L 1763671-I Alert Chem CMCL ARS0 2018-02-06
NO3 CHEM8087 09/12/2018 09/24/2018 09/25/2018 1 EP-B NITRATE 7.02 5 10 MG/L 1823061-I Alert Chem NO30 2018-09-24
ARS CHEM8100 09/12/2018 10/03/2018 10/03/2018 0 EP-B ARSENIC 0.182 0.01 MG/L 1823071-I Alert Chem CMCL ARS0 2018-10-03
TCR COLI19249 09/11/2019 09/13/2019 09/18/2019 5 SRC-BA E. COLI Present 0 Assessment 3011775091 Alert TCR0 2019-09-13
Notice - Source COLI19249 09/11/2019 09/13/2019 09/18/2019 5 SRC-BA COLIFORM (TCR) Present Present Assessment 3011775091 Notice Source 2019-09-13
TCR COLI19268 09/16/2019 09/18/2019 09/18/2019 0 SRC-BA E. COLI Present 0 Confirmation 3011776241 Alert TCR0 2019-09-18
TCR COLI19268 09/16/2019 09/18/2019 09/18/2019 0 SRC-BA E. COLI Present 0 Confirmation 3011776251 Alert TCR0 2019-09-18
Notice - Source COLI19268 09/16/2019 09/18/2019 09/18/2019 0 SRC-BA COLIFORM (TCR) Present Present Confirmation 3011776241 Notice Source 2019-09-18
Notice - Source COLI19268 09/16/2019 09/18/2019 09/18/2019 0 SRC-BA COLIFORM (TCR) Present Present Confirmation 3011776251 Notice Source 2019-09-18
Notice - Source COLI19268 09/16/2019 09/18/2019 09/18/2019 0 SRC-BA COLIFORM (TCR) Present Present Confirmation 3011776261 Notice Source 2019-09-18
Notice - Source COLI19268 09/16/2019 09/18/2019 09/18/2019 0 SRC-BA COLIFORM (TCR) Present Present Confirmation 3011776271 Notice Source 2019-09-18
Notice - Source COLI19268 09/16/2019 09/18/2019 09/18/2019 0 SRC-BA COLIFORM (TCR) Present Present Confirmation 3011776281 Notice Source 2019-09-18
Notice - Special Source COLI20876 09/30/2020 03/10/2021 SRC-BB COLIFORM (TCR) Present Present Special 3011880031 Notice Special Source 2021-03-10
ARS CHEM9266 09/30/2020 03/17/2021 03/17/2021 0 SRC-BB ARSENIC 0.0345 0.01 MG/L 2031391-I Alert Chem CMCL ARS0 2021-03-17
Notice - Sodium CHEM9266 09/30/2020 03/17/2021 03/17/2021 0 SRC-BB SODIUM 73.5 20 MG/L 2031391-I Notice Sodium 2021-03-17
Notice - Special Source COLI20876 10/07/2020 03/10/2021 SRC-BB COLIFORM (TCR) Present Present Special 3011882521 Notice Special Source 2021-03-10
Notice - Special Source COLI20876 10/21/2020 03/10/2021 SRC-BB COLIFORM (TCR) Present Present Special 3011886971 Notice Special Source 2021-03-10
Notice - Source COLI20672 12/16/2020 12/18/2020 SRC-BA COLIFORM (TCR) Present Present Assessment 3011903101 Notice Source 2020-12-18
ARS CHEM9343 05/19/2021 06/09/2021 06/09/2021 0 EP-B ARSENIC 0.011 0.01 MG/L 2093231-I Alert Chem CMCL ARS0 2021-06-09
NO3 NO3-38 02/15/2023 03/02/2023 EP-B NITRATE 5.28 5 10 MG/L 2285021-I Alert Chem NO30 2023-03-02
TCR TCR-1572 12/13/2023 12/18/2023 12/18/2023 0 DIST-A COLIFORM (TCR) Present Present Routine 3012202681 Alert TCR0 2023-12-18
Notice - Source TCR-1573 12/13/2023 12/18/2023 12/18/2023 0 SRC-BB COLIFORM (TCR) Present Present Assessment 3012202691 Notice Source 2023-12-18
TCR TCR-2149 06/12/2024 06/18/2024 06/20/2024 2 DIST-A COLIFORM (TCR) Present Present Routine 3012246931 Alert TCR0 2024-06-18


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