OHA Drinking Water Services
OR41
PWS ID: 93711 ---- CORVALLIS WALDORF ASSOCIATION
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
NIT ARCHIVE 05/14/1993 01/13/1994 AA NITRATE-NITRITE 6.2 10 MG/L 930514BAAA Alert Chem NIT0 1994-01-13
NO3 ARCHIVE 05/14/1993 01/13/1994 AA NITRATE 6.2 5 10 MG/L 930514BAAA Alert Chem NO30 1994-01-13
LCR CHEM1447 11/13/1993 03/21/2005 DIST-A LEAD SUMMARY 0.019 0.015 MG/L Alert Chem LCR0 2005-03-21
LCR CHEM1447 03/21/1994 03/21/2005 DIST-A LEAD SUMMARY 0.046 0.015 MG/L Alert Chem LCR0 2005-03-21
NO3 ARCHIVE 04/07/1995 04/17/1995 A NITRATE 7.7 5 10 MG/L 54311 Alert Chem NO30 1995-04-17
NO3 ARCHIVE 04/05/1996 04/16/1996 A NITRATE 7.7 5 10 MG/L 65686 Alert Chem NO30 1996-04-16
NO3 ARCHIVE 07/05/1996 07/12/1996 A NITRATE 8.2 5 10 MG/L 68658 Alert Chem NO30 1996-07-12
NO3 ARCHIVE 10/03/1996 10/21/1996 A NITRATE 7 5 10 MG/L 71725 Alert Chem NO30 1996-10-21
NO3 ARCHIVE 01/03/1997 01/15/1997 A NITRATE 7.5 5 10 MG/L 74413 Alert Chem NO30 1997-01-15
NO3 ARCHIVE 04/03/1997 04/17/1997 AA NITRATE 7.3 5 10 MG/L 77057 Alert Chem NO30 1997-04-17
NO3 ARCHIVE 06/06/1997 07/23/1997 A NITRATE 7.3 5 10 MG/L 970606BU*A Alert Chem NO30 1997-07-23
NO3 ARCHIVE 07/11/1997 07/25/1997 AA NITRATE 5.8 5 10 MG/L 80120 Alert Chem NO30 1997-07-25
NO3 ARCHIVE 10/03/1997 10/10/1997 A NITRATE 7.4 5 10 MG/L 83247 Alert Chem NO30 1997-10-10
NO3 ARCHIVE 01/08/1998 01/28/1998 A NITRATE 7.4 5 10 MG/L 86147 Alert Chem NO30 1998-01-28
NO3 ARCHIVE 04/02/1998 04/10/1998 A NITRATE 7 5 10 MG/L 88938 Alert Chem NO30 1998-04-10
NO3 ARCHIVE 07/10/1998 10/23/1998 AA NITRATE 6.4 5 10 MG/L 92146 Alert Chem NO30 1998-10-23
NO3 ARCHIVE 10/05/1998 10/23/1998 AA NITRATE 7.1 5 10 MG/L 94917 Alert Chem NO30 1998-10-23
NO3 ARCHIVE 01/07/1999 01/19/1999 AA NITRATE 5.8 5 10 MG/L 98075 Alert Chem NO30 1999-01-19
NO3 ARCHIVE 04/02/1999 04/12/1999 AA NITRATE 5.9 5 10 MG/L 1037 Alert Chem NO30 1999-04-12
TCR ARCHIVE 07/02/1999 07/12/1999 COLIFORM (TCR) Present Present Routine 4405 Alert TCR0 1999-07-12
NO3 ARCHIVE 07/02/1999 07/12/1999 A NITRATE 5.4 5 10 MG/L 4412 Alert Chem NO30 1999-07-12
NO3 ARCHIVE 10/15/1999 10/22/1999 AA NITRATE 5.9 5 10 MG/L 8366 Alert Chem NO30 1999-10-22
NO3 ARCHIVE 01/07/2000 01/18/2000 AA NITRATE 6.1 5 10 MG/L 11086 Alert Chem NO30 2000-01-18
NO3 ARCHIVE 04/07/2000 04/17/2000 AA NITRATE 7.1 5 10 MG/L 14251 Alert Chem NO30 2000-04-17
NO3 ARCHIVE 08/11/2000 09/21/2000 A NITRATE 6.8 5 10 MG/L 18933 Alert Chem NO30 2000-09-21
NO3 ARCHIVE 11/21/2000 11/27/2000 AA NITRATE 6.6 5 10 MG/L 22520 Alert Chem NO30 2000-11-27
NO3 ARCHIVE 02/13/2001 02/21/2001 AA NITRATE 6.4 5 10 MG/L 25194 Alert Chem NO30 2001-02-21
NO3 ARCHIVE 05/11/2001 05/21/2001 AA NITRATE 6 5 10 MG/L 28646 Alert Chem NO30 2001-05-21
NO3 ARCHIVE 09/14/2001 09/24/2001 AA NITRATE 6.8 5 10 MG/L 34047 Alert Chem NO30 2001-09-24
NO3 ARCHIVE 12/07/2001 12/17/2001 AA NITRATE 5.9 5 10 MG/L 37554 Alert Chem NO30 2001-12-17
NO3 CHEM129 09/13/2002 10/02/2002 EP-A NITRATE 5.8 5 10 MG/L 49204 Alert Chem NO30 2002-10-02
NO3 CHEM227 11/26/2002 12/10/2002 EP-A NITRATE 7 5 10 MG/L 52086 Alert Chem NO30 2002-12-10
NO3 CHEM325 02/14/2003 02/28/2003 EP-A NITRATE 8 5 10 MG/L 55106 Alert Chem NO30 2003-02-28
NO3 CHEM426 05/16/2003 06/12/2003 EP-A NITRATE 7.2 5 10 MG/L 58372 Alert Chem NO30 2003-06-12
NO3 CHEM528 08/11/2003 09/22/2003 EP-A NITRATE 7.8 5 10 MG/L 61523I Alert Chem NO30 2003-09-22
NIT CHEM692 08/11/2003 02/24/2004 EP-A NITRATE-NITRITE 7.8 10 MG/L 61523I Alert Chem NIT0 2004-02-24
NO3 CHEM636 12/19/2003 01/13/2004 EP-A NITRATE 6.4 5 10 MG/L 66595 Alert Chem NO30 2004-01-13
NO3 CHEM1011 08/24/2004 11/19/2004 EP-A NITRATE 7.2 5 10 MG/L 75373 Alert Chem NO30 2004-11-19
NO3 CHEM1724 07/15/2005 08/16/2005 EP-A NITRATE 8.2 5 10 MG/L 86680 Alert Chem NO30 2005-08-16
NO3 CHEM2004 03/28/2006 05/11/2006 EP-A NITRATE 8.9 5 10 MG/L 95302 Alert Chem NO30 2006-05-11
NO3 CHEM2115 06/28/2006 07/12/2006 EP-A NITRATE 8.4 5 10 MG/L 98705 Alert Chem NO30 2006-07-12
NO3 CHEM2210 10/06/2006 10/19/2006 10/20/2006 1 EP-A NITRATE 8.3 5 10 MG/L 12912 Alert Chem NO30 2006-10-19
NO3 CHEM2442 03/30/2007 04/17/2007 04/17/2007 0 EP-A NITRATE 8.7 5 10 MG/L 19270 Alert Chem NO30 2007-04-17
NO3 CHEM2663 09/21/2007 10/17/2007 10/19/2007 2 EP-A NITRATE 8.9 5 10 MG/L 25742 Alert Chem NO30 2007-10-17
NO3 CHEM2861 02/15/2008 02/21/2008 03/20/2008 28 EP-A NITRATE 9 5 10 MG/L 30705 Alert Chem NO30 2008-02-21
NO3 CHEM2974 05/09/2008 05/29/2008 06/05/2008 7 EP-A NITRATE 8.1 5 10 MG/L 33977-I Alert Chem NO30 2008-05-29
NO3 CHEM3075 08/08/2008 08/27/2008 EP-A NITRATE 9.2 5 10 MG/L 37590-I Alert Chem NO30 2008-08-27
NO3 CHEM3335 12/12/2008 01/22/2009 01/23/2009 1 EP-A NITRATE 9.5 5 10 MG/L 42941-I Alert Chem NO30 2009-01-22
NO3 CHEM3436 02/20/2009 04/02/2009 04/02/2009 0 EP-A NITRATE 7.7 5 10 MG/L 45367 Alert Chem NO30 2009-04-02
NO3 CHEM3519 04/21/2009 05/21/2009 05/22/2009 1 EP-A NITRATE 8.8 5 10 MG/L 47643-I Alert Chem NO30 2009-05-21
NO3 CHEM3529 05/15/2009 05/28/2009 06/04/2009 7 EP-A NITRATE 9 5 10 MG/L 48651-I Alert Chem NO30 2009-05-28
NO3 CHEM3739 09/18/2009 10/06/2009 10/09/2009 3 EP-A NITRATE 8.1 5 10 MG/L 53919-I Alert Chem NO30 2009-10-06
NO3 CHEM3833 11/13/2009 11/18/2009 11/19/2009 1 EP-A NITRATE 8.2 5 10 MG/L 56296-I Alert Chem NO30 2009-11-18
NO3 CHEM3969 02/19/2010 02/26/2010 03/04/2010 6 EP-A NITRATE 9 5 10 MG/L 60127-I Alert Chem NO30 2010-02-26
NO3 CHEM4089 05/14/2010 05/26/2010 05/28/2010 2 EP-A NITRATE 8.8 5 10 MG/L 63549-I Alert Chem NO30 2010-05-26
LCR CHEM4246 06/11/2010 07/15/2010 07/19/2010 4 DIST-A LEAD SUMMARY 0.327 0.015 MG/L Alert Chem LCR0 2010-07-15
NO3 CHEM4420 09/17/2010 10/13/2010 10/13/2010 0 EP-A NITRATE 9.8 5 10 MG/L 68800-I Alert Chem NO30 2010-10-13
NO3 CHEM4578 11/19/2010 11/22/2010 11/23/2010 1 EP-A NITRATE 10.6 5 10 MG/L 71502-I Alert Chem CMCL NO30 2010-11-22
NO3 CHEM4606 11/24/2010 12/13/2010 12/08/2010 -5 EP-A NITRATE 8.2 5 10 MG/L 71654-I Alert Chem NO30 2010-12-13
LCR CHEM4770 01/21/2011 02/23/2011 02/11/2011 -12 DIST-A LEAD SUMMARY 0.112 0.015 MG/L Alert Chem LCR0 2011-02-23
NO3 CHEM4759 02/11/2011 02/15/2011 02/11/2011 -4 EP-A NITRATE 10.4 5 10 MG/L 110229301-I Alert Chem CMCL NO30 2011-02-15
NO3 CHEM4774 02/15/2011 02/28/2011 02/15/2011 -13 EP-A NITRATE 7.8 5 10 MG/L 110234001-I Alert Chem NO30 2011-02-28
NO3 CHEM4894 05/27/2011 06/02/2011 06/02/2011 0 EP-A NITRATE 10 5 10 MG/L 110561401-I Alert Chem CMCL NO30 2011-06-02
NO3 CHEM5070 09/23/2011 09/28/2011 10/04/2011 6 EP-A NITRATE 10 5 10 MG/L 110962401-I Alert Chem CMCL NO30 2011-09-28
NO3 CHEM5198 12/09/2011 12/22/2011 12/23/2011 1 EP-A NITRATE 8.7 5 10 MG/L 111223901-I Alert Chem NO30 2011-12-22
NO3 CHEM5308 03/09/2012 03/16/2012 03/13/2012 -3 EP-A NITRATE 7.7 5 10 MG/L 120324901-I Alert Chem NO30 2012-03-16
LCR CHEM5334 03/23/2012 04/16/2012 04/06/2012 -10 DIST-A LEAD SUMMARY 0.0262 0.015 MG/L Alert Chem LCR0 2012-04-16
NO3 CHEM5388 06/08/2012 06/13/2012 06/13/2012 0 EP-A NITRATE 10 5 10 MG/L 120622701-I Alert Chem CMCL NO30 2012-06-13
LCRE LCRE14527 09/01/2012 10/16/2012 EP-A LCR EXCURSION 3 >0 Alert Chem LCRE0 2012-10-16
NO3 CHEM5516 09/14/2012 09/17/2012 09/17/2012 0 EP-A NITRATE 11.5 5 10 MG/L 120935501-I Alert Chem CMCL NO30 2012-09-17
NO3 CHEM5528 09/18/2012 09/20/2012 09/24/2012 4 EP-A NITRATE 10.8 5 10 MG/L 120941301-I Alert Chem CMCL NO30 2012-09-20
LCRE LCRE14649 10/01/2012 11/15/2012 12/07/2012 22 EP-A LCR EXCURSION 24 >0 Alert Chem LCRE0 2012-11-15
NO3 CHEM5640 12/14/2012 12/19/2012 12/20/2012 1 EP-A NITRATE 11.3 5 10 MG/L 121240801-I Alert Chem CMCL NO30 2012-12-19
NO3 CHEM5724 03/15/2013 03/18/2013 03/25/2013 7 EP-A NITRATE 10.6 5 10 MG/L 130335601-I Alert Chem CMCL NO30 2013-03-18
NO3 CHEM5914 08/28/2013 08/29/2013 08/29/2013 0 EP-A NITRATE 10.6 5 10 MG/L 130870801-I Alert Chem CMCL NO30 2013-08-29
LCR CHEM5995 09/13/2013 10/08/2013 09/26/2013 -12 DIST-A LEAD SUMMARY 0.095 0.015 MG/L Alert Chem LCR0 2013-10-08
LCR CHEM6241 03/14/2014 03/24/2014 03/31/2014 7 DIST-A LEAD SUMMARY 0.095 0.015 MG/L Alert Chem LCR0 2014-03-24
LCR CHEM6437 09/12/2014 09/22/2014 09/23/2014 1 DIST-A LEAD SUMMARY 0.0501 0.015 MG/L Alert Chem LCR0 2014-09-22
LCR CHEM6674 03/17/2015 03/31/2015 03/13/2015 -18 DIST-A LEAD SUMMARY 0.0573 0.015 MG/L Alert Chem LCR0 2015-03-31
NO3 CHEM6990 12/11/2015 12/18/2015 12/21/2015 3 EP-A NITRATE 7.2 5 10 MG/L 1512609001-I Alert Chem NO30 2015-12-18
SOC CHEM8318 04/02/2019 05/01/2019 EP-A ATRAZINE 0.00012 0.003 MG/L 1922632-S Alert Chem SOC0 2019-05-01


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