OHA Drinking Water Services
PWS ID: 95174 ---- COLUMBIA RIVER DAIRY
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
TCR ARCHIVE 11/19/2001 02/04/2002 COLIFORM, TOTAL (TCR) Present Present Routine 6553 Alert TCR0 2002-02-04
TCR ARCHIVE 11/19/2001 02/04/2002 COLIFORM, TOTAL (TCR) Present Present Routine 6554 Alert TCR0 2002-02-04
Notice - Sodium CHEM274 07/30/2002 01/15/2003 EP-A SODIUM 90.9 20 MG/L 109-60781I Notice Sodium 2003-01-15
Notice - Sodium CHEM216 10/07/2002 11/19/2002 EP-A SODIUM 104 20 MG/L 62167 Notice Sodium 2002-11-19
Notice - Sodium CHEM381 04/08/2003 05/05/2003 EP-A SODIUM 99.5 20 MG/L 64609I Notice Sodium 2003-05-05
TCR COLI2561 10/11/2005 10/24/2005 DIST-A COLIFORM, TOTAL (TCR) Present Present Routine 78839 Alert TCR0 2005-10-24
Notice - Sodium CHEM5351 04/17/2012 05/09/2012 EP-A SODIUM 94.7 20 MG/L 20418151-I Notice Sodium 2012-05-09
Notice - Sodium CHEM7048 01/11/2016 02/08/2016 EP-D SODIUM 91.1 20 MG/L 60112243-I Notice Sodium 2016-02-08
Notice - Sodium CHEM7866 07/12/2017 02/13/2018 EP-E SODIUM 102 20 MG/L 62674-I Notice Sodium 2018-02-13
Notice - Source COLI18536 07/17/2018 12/17/2018 12/27/2018 10 SRC-CB COLIFORM, TOTAL (TCR) Present Present Assessment 180717205 Notice Source 2018-12-17
Notice - Source COLI18536 07/17/2018 12/17/2018 12/27/2018 10 SRC-EA COLIFORM, TOTAL (TCR) Present Present Assessment 180717201 Notice Source 2018-12-17
Notice - Sodium CHEM8252 01/22/2019 02/28/2019 EP-D SODIUM 93.3 20 MG/L 190113804-I Notice Sodium 2019-02-28
Notice - Sodium CHEM8252 01/22/2019 02/28/2019 EP-E SODIUM 101 20 MG/L 190113805-I Notice Sodium 2019-02-28
TCR COLI18796 04/16/2019 04/24/2019 05/01/2019 7 DIST-A COLIFORM, TOTAL (TCR) Present Present Routine 190412404A Alert TCR0 2019-04-24
Notice - Source COLI18831 05/06/2019 05/10/2019 05/10/2019 0 SRC-BA COLIFORM, TOTAL (TCR) Present Present Assessment 190504302 Notice Source 2019-05-10
TCR COLI19040 07/16/2019 07/18/2019 07/18/2019 0 DIST-A COLIFORM, TOTAL (TCR) Present Present Routine 190720107 Alert TCR0 2019-07-18
TCR COLI19044 07/16/2019 07/19/2019 07/19/2019 0 SRC-DA COLIFORM, E. COLI Present Present Assessment 190720109 Alert TCR0 2019-07-19
Notice - Source COLI19044 07/16/2019 07/19/2019 07/19/2019 0 SRC-DA COLIFORM, TOTAL (TCR) Present Present Assessment 190720109 Notice Source 2019-07-19
Notice - Source COLI19106 08/06/2019 08/08/2019 08/08/2019 0 SRC-AB COLIFORM, TOTAL (TCR) Present Present Assessment 190805601 Notice Source 2019-08-08
Notice - Source COLI20457 10/19/2020 10/22/2020 10/22/2020 0 SRC-CA COLIFORM, TOTAL (TCR) Present Present Assessment 201019401 Notice Source 2020-10-22
Notice - Source COLI21225 07/28/2021 07/30/2021 SRC-AB COLIFORM, TOTAL (TCR) Present Present Assessment 210745601 Notice Source 2021-07-30
Notice - Source COLI21225 07/28/2021 07/30/2021 SRC-BA COLIFORM, TOTAL (TCR) Present Present Assessment 210745602 Notice Source 2021-07-30
Notice - Sodium CHEM9469 07/28/2021 09/22/2021 09/27/2021 5 EP-A SODIUM 95.9 20 MG/L 210746201 Notice Sodium 2021-09-22
Notice - Source COLI22064 04/14/2022 04/19/2022 SRC-AB COLIFORM, TOTAL (TCR) Present Present Assessment 220422101 Notice Source 2022-04-19
Notice - Sodium IOC-15 02/09/2023 03/29/2023 EP-C SODIUM 110 20 MG/L 2302196-01-I Notice Sodium 2023-03-29


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