OHA Drinking Water Services
OR41
PWS ID: 00372 ---- HERMISTON, CITY OF
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
 Units Alert Level MCL Sample Type Lab Sample ID SelectAtype FilterAlertDate
IOC ARCHIVE 04/16/1992 05/26/1992 D SODIUM 45.5 MG/L 20 -1974416 Alert Chem IOC0 1992-05-26
IOC ARCHIVE 06/18/1992 08/05/1992 A SODIUM 90 MG/L 20 -1974590 Alert Chem IOC0 1992-08-05
IOC ARCHIVE 03/16/1993 05/02/1994 CA SODIUM 32 MG/L 20 930317AFDA Alert Chem IOC0 1994-05-02
IOC ARCHIVE 03/18/1993 05/02/1994 D SODIUM 56 MG/L 20 930319BG*E Alert Chem IOC0 1994-05-02
IOC ARCHIVE 03/18/1993 05/02/1994 EA SODIUM 83 MG/L 20 930319BGBA Alert Chem IOC0 1994-05-02
IOC ARCHIVE 04/01/1993 05/02/1994 BA SODIUM 66 MG/L 20 930402ABCA Alert Chem IOC0 1994-05-02
IOC ARCHIVE 06/15/1993 05/02/1994 BA SODIUM 81 MG/L 20 930617BJCA Alert Chem IOC0 1994-05-02
IOC ARCHIVE 06/16/1993 05/02/1994 EA SODIUM 88 MG/L 20 930617BJBA Alert Chem IOC0 1994-05-02
IOC ARCHIVE 06/17/1993 05/02/1994 CA SODIUM 38 MG/L 20 930618TDA Alert Chem IOC0 1994-05-02
IOC ARCHIVE 06/17/1993 05/02/1994 DA SODIUM 62 MG/L 20 930618TEA Alert Chem IOC0 1994-05-02
TCR ARCHIVE 08/17/1993 09/16/1993 COLIFORM (TCR) Present Present Routine M93081735 Alert TCR0 1993-09-16
TCR ARCHIVE 08/17/1993 09/16/1993 COLIFORM (TCR) Present Present Routine M93081737 Alert TCR0 1993-09-16
TCR ARCHIVE 08/18/1993 09/16/1993 COLIFORM (TCR) Present Present Repeat M93081822 Alert TCR0 1993-09-16
TCR ARCHIVE 08/20/1993 09/16/1993 COLIFORM (TCR) Present Present Repeat M9308203 Alert TCR0 1993-09-16
TCR ARCHIVE 08/20/1993 09/16/1993 COLIFORM (TCR) Present Present Routine M9308204 Alert TCR0 1993-09-16
TCR ARCHIVE 08/20/1993 09/16/1993 COLIFORM (TCR) Present Present Routine M9308205 Alert TCR0 1993-09-16
IOC ARCHIVE 10/27/1993 01/04/1994 BA SODIUM 79 MG/L 20 931028APCA Alert Chem IOC0 1994-01-04
NIT ARCHIVE 10/27/1993 01/04/1994 C NITRATE-NITRITE 7 MG/L 10 931028AP*D Alert Chem NIT0 1994-01-04
NO3 ARCHIVE 10/27/1993 01/04/1994 C NITRATE 7 MG/L 5 10 931028AP*D Alert Chem NO30 1994-01-04
IOC ARCHIVE 10/27/1993 01/04/1994 C SODIUM 38 MG/L 20 931028AP*D Alert Chem IOC0 1994-01-04
VOC ARCHIVE 10/27/1993 01/04/1994 C TETRACHLOROETHYLENE 0 MG/L 0.005 931028AP*D Alert Chem VOC0 1994-01-04
IOC ARCHIVE 10/27/1993 01/04/1994 D SODIUM 59 MG/L 20 931028AP*E Alert Chem IOC0 1994-01-04
IOC ARCHIVE 07/13/1994 10/01/1996 B SODIUM 79 MG/L 20 940714AV*B Alert Chem IOC0 1996-10-01
IOC ARCHIVE 07/13/1994 10/01/1996 C SODIUM 37 MG/L 20 940714AV*C Alert Chem IOC0 1996-10-01
TCR ARCHIVE 07/25/1994 08/15/1994 COLIFORM (TCR) Present Present Routine 940725PG71 Alert TCR0 1994-08-15
TCR ARCHIVE 07/26/1994 08/15/1994 COLIFORM (TCR) Present Present Repeat 940726PN33 Alert TCR0 1994-08-15
TCR ARCHIVE 07/26/1994 08/15/1994 COLIFORM (TCR) Present Present Repeat 940726PN34 Alert TCR0 1994-08-15
IOC ARCHIVE 07/27/1994 10/01/1996 D SODIUM 61 MG/L 20 940714AV*D Alert Chem IOC0 1996-10-01
TCR ARCHIVE 03/21/1995 04/03/1995 COLIFORM (TCR) Present Present Routine 950321PP76 Alert TCR0 1995-04-03
IOC ARCHIVE 05/07/1996 06/05/1996 B SODIUM 73 MG/L 20 960507AD*B Alert Chem IOC0 1996-06-05
IOC ARCHIVE 06/26/1996 07/31/1996 C SODIUM 37 MG/L 20 960627AG*C Alert Chem IOC0 1996-07-31
IOC ARCHIVE 06/26/1996 07/31/1996 D SODIUM 60 MG/L 20 960627AG*D Alert Chem IOC0 1996-07-31
RAD ARCHIVE 08/29/1996 12/03/1996 C GROSS ALPHA, EXCL. RADON & U 5 pCi 15 960829Q*C Alert Chem RAD0 1996-12-03
RAD ARCHIVE 10/15/1996 01/31/1997 C GROSS ALPHA, EXCL. RADON & U 5 pCi 15 961015W*C Alert Chem RAD0 1997-01-31
NO3 ARCHIVE 02/11/1997 08/12/1997 C NITRATE 5.1 MG/L 5 10 970211U*C Alert Chem NO30 1997-08-12
NO3 ARCHIVE 05/21/1997 06/24/1997 C NITRATE 5.2 MG/L 5 10 997021BE*C Alert Chem NO30 1997-06-24
IOC ARCHIVE 08/26/1997 10/08/1997 A SODIUM 86 MG/L 20 970826AC*A Alert Chem IOC0 1997-10-08
OC ARCHIVE 08/26/1997 10/08/1997 A BROMOMETHANE 0.016 MG/L 0.1 970826AC*A Alert Chem OC 0 1997-10-08
NO3 ARCHIVE 06/23/1998 07/02/1998 B NITRATE 5.4 MG/L 5 10 980623AD*B Alert Chem NO30 1998-07-02
IOC ARCHIVE 06/23/1998 07/06/1998 A SODIUM 87 MG/L 20 980623AE*A Alert Chem IOC0 1998-07-06
NO3 ARCHIVE 06/23/1998 04/15/1999 CA NITRATE 5.4 MG/L 5 10 980623ADCA Alert Chem NO30 1999-04-15
NO3 ARCHIVE 08/18/1998 08/26/1998 C NITRATE 6.7 MG/L 5 10 980818AH*C Alert Chem NO30 1998-08-26
TCR ARCHIVE 08/18/1998 08/31/1998 COLIFORM (TCR) Present Present Routine 980818PP10 Alert TCR0 1998-08-31
TCR ARCHIVE 08/18/1998 08/31/1998 COLIFORM (TCR) Present Present Routine 980818PP18 Alert TCR0 1998-08-31
NO3 ARCHIVE 11/18/1998 11/27/1998 C NITRATE 5 MG/L 5 10 981118AH*C Alert Chem NO30 1998-11-27
IOC ARCHIVE 06/14/1999 07/06/1999 A SODIUM 99 MG/L 20 990614AR*A Alert Chem IOC0 1999-07-06
IOC ARCHIVE 06/16/1999 07/26/1999 B SODIUM 77 MG/L 20 990616BI*B Alert Chem IOC0 1999-07-26
NO3 ARCHIVE 06/16/1999 07/26/1999 C NITRATE 5.6 MG/L 5 10 990616BJ*C Alert Chem NO30 1999-07-26
IOC ARCHIVE 06/16/1999 07/26/1999 C SODIUM 38 MG/L 20 990616BJ*C Alert Chem IOC0 1999-07-26
IOC ARCHIVE 06/16/1999 07/26/1999 D SODIUM 62 MG/L 20 990616BM*D Alert Chem IOC0 1999-07-26
TCR ARCHIVE 07/13/1999 07/19/1999 COLIFORM (TCR) Present Present Routine 990713PS17 Alert TCR0 1999-07-19
TCR ARCHIVE 05/08/2001 05/15/2001 COLIFORM (TCR) Present Present Routine 0508PJ1036 Alert TCR0 2001-05-15
Notice - Sodium CHEM105 06/06/2002 10/02/2002 EP-A SODIUM 80 MG/L 20 A20606L-1I Notice Sodium 2002-10-02
Notice - Sodium CHEM105 06/06/2002 10/02/2002 EP-D SODIUM 60 MG/L 20 A20606I-1I Notice Sodium 2002-10-02
NIT CHEM680 06/06/2002 02/24/2004 EP-C NITRATE-NITRITE 5 MG/L 10 A20606M-1I Alert Chem NIT0 2004-02-24
NO3 CHEM80 08/12/2002 09/12/2002 EP-B NITRATE 5.6 MG/L 5 10 A20812C-2 Alert Chem NO30 2002-09-12
RAD CHEM583 04/17/2003 12/10/2003 EP-F COMBINED RADIUM (-226 & -228) 3 PCI/L 5 A30417AB-1R Alert Chem RAD0 2003-12-10
NO3 CHEM504 08/11/2003 09/10/2003 EP-C NITRATE 6 MG/L 5 10 A30811K-3 Alert Chem NO30 2003-09-10
RAD CHEM1159 05/10/2004 03/17/2005 EP-C GROSS ALPHA, EXCL. RADON & U 5.85 PCI/L 15 A40511V-2R Alert Chem RAD0 2005-03-17
NO3 CHEM867 08/10/2004 09/24/2004 EP-C NITRATE 6 MG/L 5 10 A40810AB-3 Alert Chem NO30 2004-09-24
Notice - Sodium CHEM1645 05/03/2005 07/01/2005 EP-B SODIUM 85 MG/L 20 A50504T-1I Notice Sodium 2005-07-01
Notice - Sodium CHEM1680 05/03/2005 07/29/2005 EP-D SODIUM 60 MG/L 20 A50504R-1I Notice Sodium 2005-07-29
Notice - Sodium CHEM1708 05/03/2005 08/16/2005 EP-C SODIUM 39 MG/L 20 A50504S-1I Notice Sodium 2005-08-16
TCR COLI2196 07/12/2005 07/18/2005 DIST-A COLIFORM (TCR) Present Present Routine M0050712PO1532 Alert TCR0 2005-07-18
NO3 CHEM2161 08/08/2006 09/12/2006 EP-C NITRATE 6 MG/L 5 10 A60808AH2N Alert Chem NO30 2006-09-12
Notice - Sodium CHEM2987 04/10/2008 06/16/2008 EP-B SODIUM 75.5 MG/L 20 804110501-I Notice Sodium 2008-06-16
Notice - Sodium CHEM2987 04/10/2008 06/16/2008 EP-C SODIUM 51.8 MG/L 20 804110401-I Notice Sodium 2008-06-16
Notice - Sodium CHEM2987 04/10/2008 06/16/2008 EP-D SODIUM 55 MG/L 20 804110301-I Notice Sodium 2008-06-16
NO3 CHEM3083 08/06/2008 08/29/2008 EP-C NITRATE 5.85 MG/L 5 10 080806J2Q-I Alert Chem NO30 2008-08-29
NO3 CHEM3669 08/11/2009 09/10/2009 09/11/2009 1 EP-C NITRATE 6.3 MG/L 5 10 90812013-I Alert Chem NO30 2009-09-10
NO3 CHEM4301 08/04/2010 08/16/2010 08/16/2010 0 EP-C NITRATE 6.8 MG/L 5 10 1021721-I Alert Chem NO30 2010-08-16
DBP CHEM4342 08/05/2010 09/03/2010 DIST-A TOTAL HALOACETIC ACIDS (HAA5) 0.0643 MG/L 0.06 J248404-D Alert Chem CMCL DBP0 2010-09-03
Notice - Source COLI8760 12/13/2010 12/15/2010 SRC-DA COLIFORM (TCR) Present Present Assessment 501658 Notice Source 2010-12-15
Notice - Sodium CHEM4920 06/07/2011 06/27/2011 06/21/2011 -6 EP-B SODIUM 69.4 MG/L 20 110608030001-I Notice Sodium 2011-06-27
NO3 CHEM4920 06/07/2011 06/27/2011 06/21/2011 -6 EP-C NITRATE 6.33 MG/L 5 10 110608030002-I Alert Chem NO30 2011-06-27
Notice - Sodium CHEM4920 06/07/2011 06/27/2011 06/21/2011 -6 EP-C SODIUM 41.5 MG/L 20 110608030002-I Notice Sodium 2011-06-27
Notice - Sodium CHEM4920 06/07/2011 06/27/2011 06/21/2011 -6 EP-D SODIUM 50.9 MG/L 20 110608030003-I Notice Sodium 2011-06-27
NIT CHEM4924 06/07/2011 06/28/2011 EP-C NITRATE-NITRITE 6.33 MG/L 10 110608030002-I Alert Chem NIT0 2011-06-28
SOC CHEM4982 07/07/2011 08/03/2011 EP-D DI(2-ETHYLHEXYL) PHTHALATE 0.00141 MG/L 0.006 110708012001-S Alert Chem SOC0 2011-08-03
TCR COLI10680 07/10/2012 07/12/2012 07/12/2012 0 DIST-A COLIFORM (TCR) Present Present Routine 532471 Alert TCR0 2012-07-12
NO3 CHEM5481 08/09/2012 08/23/2012 EP-C NITRATE 6.4 MG/L 5 10 222300303-I Alert Chem NO30 2012-08-23
Notice - Source COLI11597 04/10/2013 04/11/2013 SRC-CA COLIFORM (TCR) Present Present Assessment 130410I18 Notice Source 2013-04-11
Notice - Source COLI11597 04/10/2013 04/11/2013 SRC-DA COLIFORM (TCR) Present Present Assessment 130410I19 Notice Source 2013-04-11
NO3 CHEM5962 08/08/2013 09/25/2013 08/26/2013 -30 EP-C NITRATE 6.6 MG/L 5 10 322101701-I Alert Chem NO30 2013-09-25
NO3 CHEM6297 05/07/2014 05/23/2014 EP-C NITRATE 5.34 MG/L 5 10 412801104-I Alert Chem NO30 2014-05-23
Notice - Source COLI14078 04/14/2015 04/15/2015 SRC-CA COLIFORM (TCR) Present Present Assessment 150414J3 Notice Source 2015-04-15
NO3 CHEM6714 05/13/2015 06/01/2015 EP-C NITRATE 5.47 MG/L 5 10 150513J2-I Alert Chem NO30 2015-06-01
TCR COLI14911 11/04/2015 11/05/2015 11/05/2015 0 DIST-A E. COLI Present Routine 151104I4 Alert TCR0 2015-11-05
TCR COLI14911 11/04/2015 11/05/2015 11/05/2015 0 DIST-A COLIFORM (TCR) Present Present Routine 151104I4 Alert TCR0 2015-11-05
TCR COLI16247 11/09/2016 11/10/2016 11/10/2016 0 DIST-A COLIFORM (TCR) Present Present Routine 161109E11 Alert TCR0 2016-11-10
VOC CHEM7568 04/10/2017 05/11/2017 05/12/2017 1 EP-B XYLENES, TOTAL 0.00066 MG/L 10 170410D2-V Alert Chem VOC0 2017-05-11
NO3 CHEM7587 05/09/2017 05/24/2017 05/24/2017 0 EP-C NITRATE 5.97 MG/L 5 10 170509D4-I Alert Chem NO30 2017-05-24
NO3 CHEM7938 05/08/2018 05/23/2018 EP-C NITRATE 5.11 MG/L 5 10 180508M3-I Alert Chem NO30 2018-05-23
DBP CHEM8003 06/04/2018 07/18/2018 07/19/2018 1 DIST-A TOTAL HALOACETIC ACIDS (HAA5) 0.0699 MG/L 0.06 1842137-D Alert Chem CMCL DBP0 2018-07-18
Notice - Source COLI18843 05/14/2019 05/16/2019 SRC-DA COLIFORM (TCR) Present Present Assessment 190514H4 Notice Source 2019-05-16
NO3 CHEM8344 05/14/2019 05/30/2019 05/30/2019 0 EP-C NITRATE 6.31 MG/L 5 10 190514G4-I Alert Chem NO30 2019-05-30
DBP CHEM8352 06/03/2019 06/13/2019 06/13/2019 0 DIST-A TOTAL HALOACETIC ACIDS (HAA5) 0.0727 MG/L 0.06 906053804-D Alert Chem CMCL DBP0 2019-06-13
Notice - Source COLI19809 04/14/2020 04/16/2020 SRC-DA COLIFORM (TCR) Present Present Assessment T0D140704 Notice Source 2020-04-16
NO3 CHEM8948 05/13/2020 05/26/2020 05/26/2020 0 EP-C NITRATE 6.13 MG/L 5 10 T0E130403-I Alert Chem NO30 2020-05-26
Notice - Sodium CHEM9001 06/02/2020 07/16/2020 EP-B SODIUM 88.9 MG/L 20 006032201-I Notice Sodium 2020-07-16
Notice - Sodium CHEM9001 06/02/2020 07/16/2020 EP-C SODIUM 47.4 MG/L 20 006032202-I Notice Sodium 2020-07-16
Notice - Sodium CHEM9001 06/02/2020 07/16/2020 EP-D SODIUM 53 MG/L 20 006032203-I Notice Sodium 2020-07-16
Notice - Source COLI20919 04/19/2021 04/20/2021 SRC-DA COLIFORM (TCR) Present Present Assessment T1D190304 Notice Source 2021-04-20
NO3 CHEM9324 05/04/2021 05/20/2021 07/23/2021 64 EP-C NITRATE 5.25 MG/L 5 10 T1E040803-I Alert Chem NO30 2021-05-20
TCR COLI20963 05/12/2021 05/14/2021 05/13/2021 -1 DIST-A COLIFORM (TCR) Present Present Routine T1E120816 Alert TCR0 2021-05-14
Notice - Source COLI22035 04/05/2022 04/06/2022 SRC-CA COLIFORM (TCR) Present Present Assessment T2D050802 Notice Source 2022-04-06
Notice - Source COLI22035 04/05/2022 04/06/2022 SRC-DA COLIFORM (TCR) Present Present Assessment T2D050804 Notice Source 2022-04-06
NO3 CHEM9733 05/05/2022 05/20/2022 05/24/2022 4 DIST-A NITRATE 5.59 MG/L 5 10 T2E050301-I Alert Chem NO30 2022-05-20
NO3 CHEM9733 05/05/2022 05/20/2022 05/24/2022 4 EP-C NITRATE 5.77 MG/L 5 10 T2E050302-I Alert Chem NO30 2022-05-20
Notice - Source COLI22455 08/17/2022 08/18/2022 SRC-CA COLIFORM (TCR) Present Present Assessment T2H170501 Notice Source 2022-08-18
Notice - Special COLI22657 09/21/2022 10/03/2022 DIST-A COLIFORM (TCR) Present Present Special T2I210402 Notice Special 2022-10-03
Notice - Special COLI22657 09/21/2022 10/03/2022 DIST-A COLIFORM (TCR) Present Present Special T2I210405 Notice Special 2022-10-03
NO3 CHEM10017 11/21/2022 12/07/2022 12/12/2022 5 EP-C NITRATE 6.53 MG/L 5 10 T2K2102-02-I Alert Chem NO30 2022-12-07
Notice - Source COLI22966 12/13/2022 12/15/2022 SRC-CA COLIFORM (TCR) Present Present Assessment T2L1304-02 Notice Source 2022-12-15
TCR TCR-164 02/21/2023 02/23/2023 04/20/2023 56 DIST-A COLIFORM (TCR) Present Present Routine T3B2104-01 Alert TCR0 2023-02-23
NO3 NO3-78 05/16/2023 05/23/2023 05/23/2023 0 EP-C NITRATE 8.83 MG/L 5 10 T3E1605-02-I Alert Chem NO30 2023-05-23
NO3 NO3-182 11/08/2023 01/05/2024 01/05/2024 0 EP-C NITRATE 5.62 MG/L 5 10 T3K0806-02-I Alert Chem NO30 2024-01-05
NO3 NO3-227 02/21/2024 03/06/2024 03/06/2024 0 EP-C NITRATE 5.73 MG/L 5 10 T4B2109-01-I Alert Chem NO30 2024-03-06
TCR TCR-1858 03/19/2024 03/20/2024 03/20/2024 0 DIST-A COLIFORM (TCR) Present Present Routine T4C1912-03 Alert TCR0 2024-03-20
Notice - Source TCR-1911 04/04/2024 04/05/2024 SRC-AA COLIFORM (TCR) Present Present Assessment T4D0406-04 Notice Source 2024-04-05
NO3 NO3-283 06/03/2024 06/14/2024 06/14/2024 0 EP-C NITRATE 6.08 MG/L 5 10 T4F0310-04-I Alert Chem NO30 2024-06-14
NO3 NO3-297 07/02/2024 07/09/2024 07/19/2024 10 EP-C NITRATE 6.53 MG/L 5 10 T4G0221-01-I Alert Chem NO30 2024-07-09
NO3 NO3-349 10/08/2024 10/25/2024 10/25/2024 0 EP-C NITRATE 6.41 MG/L 5 10 T4J0810-01-I Alert Chem NO30 2024-10-25
TCR TCR-3175 11/19/2024 11/21/2024 11/25/2024 4 DIST-A COLIFORM (TCR) Present Present Routine T4K1912-05 Alert TCR0 2024-11-21


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