OHA Drinking Water Services
OR41
PWS ID: 00229 ---- RIDGEWOOD DIST IMPROV CO
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 02/04/1991 03/18/1991 A SODIUM 33.4 20 MG/L -1985152 Alert Chem IOC0 1991-03-18
IOC ARCHIVE 05/04/1993 01/21/1994 AA SODIUM 31.4 20 MG/L 520901 Alert Chem IOC0 1994-01-21
TCR ARCHIVE 05/12/1994 05/24/1994 COLIFORM (TCR) Present Present Routine 6774-1 Alert TCR0 1994-05-24
TCR ARCHIVE 10/14/1994 11/02/1994 COLIFORM (TCR) Present Present Routine 7644-1 Alert TCR0 1994-11-02
TCR ARCHIVE 10/17/1994 11/02/1994 COLIFORM (TCR) Present Present Repeat 7655-2 Alert TCR0 1994-11-02
TCR ARCHIVE 08/14/1995 09/06/1995 COLIFORM (TCR) Present Present Routine 8976-1 Alert TCR0 1995-09-06
TCR ARCHIVE 03/11/1997 03/20/1997 COLIFORM (TCR) Present Present Routine 4945-1 Alert TCR0 1997-03-20
IOC ARCHIVE 06/24/1997 08/29/1997 AA SODIUM 28.8 20 MG/L 5615 Alert Chem IOC0 1997-08-29
TCR ARCHIVE 11/11/1997 11/21/1997 COLIFORM (TCR) Present Present Routine 6402-1 Alert TCR0 1997-11-21
TCR ARCHIVE 09/20/1998 09/30/1998 COLIFORM (TCR) Present Present Routine 8149-1 Alert TCR0 1998-09-30
TCR ARCHIVE 10/04/1998 10/27/1998 COLIFORM (TCR) Present Present Routine 82352 Alert TCR0 1998-10-27
TCR ARCHIVE 10/07/1998 10/27/1998 COLIFORM (TCR) Present Present Repeat 82642 Alert TCR0 1998-10-27
TCR ARCHIVE 11/08/1998 12/01/1998 COLIFORM (TCR) Present Present Routine 84471 Alert TCR0 1998-12-01
TCR ARCHIVE 11/08/1998 12/01/1998 COLIFORM (TCR) Present Present Routine 84472 Alert TCR0 1998-12-01
TCR ARCHIVE 11/08/1998 12/01/1998 COLIFORM (TCR) Present Present Routine 84473 Alert TCR0 1998-12-01
TCR ARCHIVE 11/08/1998 12/01/1998 COLIFORM (TCR) Present Present Routine 84474 Alert TCR0 1998-12-01
TCR ARCHIVE 11/08/1998 12/01/1998 COLIFORM (TCR) Present Present Routine 84475 Alert TCR0 1998-12-01
TCR ARCHIVE 05/02/1999 06/01/1999 COLIFORM (TCR) Present Present Routine 941901 Alert TCR0 1999-06-01
TCR ARCHIVE 05/04/1999 06/02/1999 COLIFORM (TCR) Present Present Repeat 943204 Alert TCR0 1999-06-02
TCR ARCHIVE 10/03/1999 10/15/1999 COLIFORM (TCR) Present Present Routine 317801 Alert TCR0 1999-10-15
TCR ARCHIVE 10/05/1999 10/15/1999 COLIFORM (TCR) Present Present Repeat 319001 Alert TCR0 1999-10-15
TCR ARCHIVE 10/05/1999 10/15/1999 COLIFORM (TCR) Present Present Repeat 319002 Alert TCR0 1999-10-15
TCR ARCHIVE 10/05/1999 10/15/1999 COLIFORM (TCR) Present Present Repeat 319003 Alert TCR0 1999-10-15
TCR ARCHIVE 10/05/1999 10/15/1999 COLIFORM (TCR) Present Present Repeat 319004 Alert TCR0 1999-10-15
TCR ARCHIVE 11/01/1999 11/05/1999 COLIFORM (TCR) Present Present Routine 330201 Alert TCR0 1999-11-05
TCR ARCHIVE 11/01/1999 11/05/1999 COLIFORM (TCR) Present Present Routine 330202 Alert TCR0 1999-11-05
TCR ARCHIVE 11/01/1999 11/05/1999 COLIFORM (TCR) Present Present Routine 330203 Alert TCR0 1999-11-05
TCR ARCHIVE 11/01/1999 11/05/1999 COLIFORM (TCR) Present Present Routine 330204 Alert TCR0 1999-11-05
IOC ARCHIVE 06/05/2000 07/13/2000 AA SODIUM 37 20 MG/L 1871 Alert Chem IOC0 2000-07-13
Notice - Sodium CHEM461 06/10/2003 08/04/2003 EP-A SODIUM 30 20 MG/L 6193I Notice Sodium 2003-08-04
TCR COLI2487 10/02/2005 10/05/2005 DIST-A COLIFORM (TCR) Present Present Routine 10988 Alert TCR0 2005-10-05
TCR COLI2672 12/01/2005 12/05/2005 DIST-A COLIFORM (TCR) Present Present Routine 11382 Alert TCR0 2005-12-05
Notice - Sodium CHEM2203 06/01/2006 10/13/2006 10/13/2006 0 EP-A SODIUM 32 20 MG/L 12654-I Notice Sodium 2006-10-13
TCR COLI3607 10/02/2006 10/04/2006 DIST-A COLIFORM (TCR) Present Present Routine 13424 Alert TCR0 2006-10-04
TCR COLI3607 10/03/2006 10/04/2006 DIST-A COLIFORM (TCR) Present Present Repeat 134423 Alert TCR0 2006-10-04
TCR COLI3718 11/06/2006 11/07/2006 DIST-A COLIFORM (TCR) Present Present Repeat 136091 Alert TCR0 2006-11-07
TCR COLI3718 11/06/2006 11/07/2006 DIST-A COLIFORM (TCR) Present Present Repeat 136093 Alert TCR0 2006-11-07
TCR COLI3793 12/01/2006 12/04/2006 DIST-A COLIFORM (TCR) Present Present Routine 137122 Alert TCR0 2006-12-04
TCR COLI3793 12/01/2006 12/04/2006 DIST-A COLIFORM (TCR) Present Present Routine 137123 Alert TCR0 2006-12-04
TCR COLI3886 01/02/2007 01/03/2007 DIST-A COLIFORM (TCR) Present Present Routine 138744 Alert TCR0 2007-01-03
TCR COLI3886 01/02/2007 01/03/2007 DIST-A COLIFORM (TCR) Present Present Routine 138745 Alert TCR0 2007-01-03
Notice - Sodium CHEM3562 06/01/2009 06/30/2009 06/30/2009 0 EP-A SODIUM 29 20 MG/L 18846-I Notice Sodium 2009-06-30
Notice - Sodium CHEM5401 06/04/2012 06/25/2012 EP-A SODIUM 28.4 20 MG/L 26064-I Notice Sodium 2012-06-25
Notice - Sodium CHEM6767 06/01/2015 07/20/2015 EP-A SODIUM 30.2 20 MG/L 1524306-I Notice Sodium 2015-07-20
TCR COLI16198 11/01/2016 11/03/2016 11/02/2016 -1 DIST-A COLIFORM (TCR) Present Present Routine 1666301 Alert TCR0 2016-11-03
Notice - Sodium CHEM8006 06/06/2018 07/19/2018 EP-A SODIUM 28.9 20 MG/L 1840699-I Notice Sodium 2018-07-19
TCR COLI19361 10/01/2019 10/03/2019 10/03/2019 0 DIST-A COLIFORM (TCR) Present Present Routine 1972673 Alert TCR0 2019-10-03
TCR COLI19385 10/02/2019 10/04/2019 10/03/2019 -1 DIST-A COLIFORM (TCR) Present Present Repeat 1973107 Alert TCR0 2019-10-04
TCR COLI19385 10/02/2019 10/04/2019 10/03/2019 -1 DIST-A COLIFORM (TCR) Present Present Repeat 1973108 Alert TCR0 2019-10-04
TCR COLI19385 10/02/2019 10/04/2019 10/03/2019 -1 DIST-A COLIFORM (TCR) Present Present Repeat 1973109 Alert TCR0 2019-10-04
TCR COLI20342 10/01/2020 10/02/2020 10/02/2020 0 DIST-A COLIFORM (TCR) Present Present Routine 2065618 Alert TCR0 2020-10-02
TCR COLI20987 06/02/2021 06/04/2021 06/04/2021 0 DIST-A COLIFORM (TCR) Present Present Routine 2137371 Alert TCR0 2021-06-04
Notice - Sodium CHEM9395 06/02/2021 07/23/2021 EP-A SODIUM 33.3 20 MG/L 2137544-I Notice Sodium 2021-07-23
TCR COLI21338 09/01/2021 09/02/2021 09/02/2021 0 DIST-A COLIFORM (TCR) Present Present Routine 2163522 Alert TCR0 2021-09-02
TCR COLI21475 10/01/2021 10/05/2021 10/04/2021 -1 DIST-A COLIFORM (TCR) Present Present Routine 2171993 Alert TCR0 2021-10-05
Notice - Sodium IOC-71 05/06/2024 06/14/2024 EP-A SODIUM 31 20 MG/L 24-23885-I Notice Sodium 2024-06-14


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