OHA Drinking Water Services
OR41
PWS ID: 01148 ---- COLUMBIA ACRES WATER ASSOC
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
VOC ARCHIVE 02/21/1991 04/18/1991 A 1,1,1-TRICHLOROETHANE 0.0008 0.2 MG/L -1922472 Alert Chem VOC0 1991-04-18
VOC ARCHIVE 06/13/1991 04/20/1992 A 1,1,1-TRICHLOROETHANE 0.0005 0.2 MG/L -1922471 Alert Chem VOC0 1992-04-20
VOC ARCHIVE 11/06/1991 12/24/1991 A 1,1,1-TRICHLOROETHANE 0.001 0.2 MG/L -1922470 Alert Chem VOC0 1991-12-24
VOC ARCHIVE 03/12/1992 04/20/1992 A 1,1,1-TRICHLOROETHANE 0.0017 0.2 MG/L -1922469 Alert Chem VOC0 1992-04-20
VOC ARCHIVE 06/29/1993 01/20/1994 AA 1,1,1-TRICHLOROETHANE 0.0035 0.2 MG/L 17054 Alert Chem VOC0 1994-01-20
LCR CHEM1353 07/07/1993 03/21/2005 DIST-A COPPER SUMMARY 2.56 1.3 MG/L Alert Chem LCR0 2005-03-21
VOC ARCHIVE 06/15/1995 07/24/1995 AA 1,1,1-TRICHLOROETHANE 0.0038 0.2 MG/L 23974 Alert Chem VOC0 1995-07-24
TCR ARCHIVE 07/27/1995 09/01/1995 COLIFORM (TCR) Present Present Routine 207555 Alert TCR0 1995-09-01
TCR ARCHIVE 08/01/1995 09/01/1995 COLIFORM (TCR) Present Present Repeat 207717 Alert TCR0 1995-09-01
TCR ARCHIVE 08/01/1995 09/01/1995 COLIFORM (TCR) Present Present Repeat 207718 Alert TCR0 1995-09-01
TCR ARCHIVE 08/01/1995 09/01/1995 COLIFORM (TCR) Present Present Repeat 207719 Alert TCR0 1995-09-01
TCR ARCHIVE 08/23/1995 09/08/1995 COLIFORM (TCR) Present Present Routine 209140 Alert TCR0 1995-09-08
TCR ARCHIVE 08/26/1995 09/08/1995 COLIFORM (TCR) Present Present Routine 209304 Alert TCR0 1995-09-08
LCR CHEM1353 03/19/1996 03/21/2005 DIST-A COPPER SUMMARY 1.8 1.3 MG/L Alert Chem LCR0 2005-03-21
VOC ARCHIVE 02/12/1998 03/26/1998 AA 1,1,1-TRICHLOROETHANE 0.0012 0.2 MG/L 043/26 Alert Chem VOC0 1998-03-26
VOC ARCHIVE 10/22/1998 11/13/1998 AA 1,1,1-TRICHLOROETHANE 0.0023 0.2 MG/L 296/06 Alert Chem VOC0 1998-11-13
VOC ARCHIVE 07/15/1999 01/27/2000 A 1,1,1-TRICHLOROETHANE 0.0012 0.2 MG/L 196/20 Alert Chem VOC0 2000-01-27
VOC ARCHIVE 10/21/1999 11/12/1999 AA 1,1,1-TRICHLOROETHANE 0.0011 0.2 MG/L 294/16 Alert Chem VOC0 1999-11-12
VOC ARCHIVE 08/10/2000 10/27/2000 A 1,1,1-TRICHLOROETHANE 0.0006 0.2 MG/L 00223/18 Alert Chem VOC0 2000-10-27
VOC ARCHIVE 03/08/2001 04/09/2001 A 1,1,1-TRICHLOROETHANE 0.0006 0.2 MG/L 01067/27 Alert Chem VOC0 2001-04-09
VOC ARCHIVE 08/29/2001 11/02/2001 AA 1,1,1-TRICHLOROETHANE 0.0007 0.2 MG/L 0124114 Alert Chem VOC0 2001-11-02
LCRE LCRE2715 04/01/2002 06/05/2002 EP-A LCR EXCURSION 17 >0 Alert Chem LCRE0 2002-06-05
NO3 CHEM5545 09/26/2012 10/02/2012 10/02/2012 0 EP-A NITRATE 5 5 10 MG/L 227003301-I Alert Chem NO30 2012-10-02
TCR COLI16755 05/17/2017 05/18/2017 05/19/2017 1 DIST-A COLIFORM (TCR) Present Present Routine 713705801 Alert TCR0 2017-05-18
TCR COLI17526 12/11/2017 12/12/2017 12/13/2017 1 DIST-A COLIFORM (TCR) Present Present Routine 734501001 Alert TCR0 2017-12-12
NO3 CHEM8169 11/21/2018 12/12/2018 EP-A NITRATE 5.2 5 10 MG/L 832507201-I Alert Chem NO30 2018-12-12
TCR COLI19178 08/21/2019 08/23/2019 DIST-A COLIFORM (TCR) Present Present Routine 923304801 Alert TCR0 2019-08-23
NO3 CHEM8949 05/13/2020 05/26/2020 EP-A NITRATE 5.05 5 10 MG/L 013406301-I Alert Chem NO30 2020-05-26
NO3 CHEM9037 08/17/2020 08/25/2020 EP-A NITRATE 5.08 5 10 MG/L 023001501-I Alert Chem NO30 2020-08-25
NO3 CHEM9547 09/23/2021 11/19/2021 EP-A NITRATE 5 5 10 MG/L 126701501-I Alert Chem NO30 2021-11-19


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