OHA Drinking Water Services
PWS ID: 00372 ---- HERMISTON, CITY OF
Excel Spreadsheet

MCL = 10 mg/L; MCL exceedances are indicated with red text.
ND = Not detected at the minimum reporting level.
Nitrate Samples
Sample ID Sample
Date
Date
Received
Analyte Name Source Name Source
ID
Result
(mg/L)
Comments
T2E250201-I 05/25/2022 05/26/2022 NITRATE EP FOR WELL #4 EP-BND
T2E2502-01-I 05/25/2022 06/01/2022 NITRATE EP FOR WELL #4 EP-BND
T2E050301-I 05/05/2022 05/06/2022 NITRATE DISTRIBUTION SYSTEM DIST-A5.59
T2E050303-I 05/05/2022 05/06/2022 NITRATE EP FOR WELL #2 EP-AND
T2E050302-I 05/05/2022 05/06/2022 NITRATE EP FOR WELL #5 EP-C5.77
T2E050304-I 05/05/2022 05/06/2022 NITRATE EP FOR WELL #6 EP-DND
T2E050305-I 05/05/2022 05/06/2022 NITRATE EP FOR COLUMBIA RIVER EP-FND
T1E040801-I 05/04/2021 05/18/2021 NITRATE EP FOR WELL #2 EP-AND
T1E040802-I 05/04/2021 05/18/2021 NITRATE EP FOR WELL #4 EP-BND
T1E040803-I 05/04/2021 05/18/2021 NITRATE EP FOR WELL #5 EP-C5.25
T1E040804-I 05/04/2021 05/18/2021 NITRATE EP FOR WELL #6 EP-DND
T1E040805-I 05/04/2021 05/18/2021 NITRATE EP FOR COLUMBIA RIVER EP-FND
006032201-I 06/02/2020 07/07/2020 NITRATE EP FOR WELL #4 EP-B0.13
006032202-I 06/02/2020 07/07/2020 NITRATE EP FOR WELL #5 EP-C4.89
006032203-I 06/02/2020 07/07/2020 NITRATE EP FOR WELL #6 EP-DND
006032204-I 06/02/2020 07/07/2020 NITRATE EP FOR COLUMBIA RIVER EP-F0.13
T0E130401-I 05/13/2020 05/14/2020 NITRATE EP FOR WELL #2 EP-AND
T0E130402-I 05/13/2020 05/14/2020 NITRATE EP FOR WELL #4 EP-BND
T0E130403-I 05/13/2020 05/14/2020 NITRATE EP FOR WELL #5 EP-C6.13
T0E130404-I 05/13/2020 05/14/2020 NITRATE EP FOR WELL #6 EP-DND
T0E130405-I 05/13/2020 05/14/2020 NITRATE EP FOR COLUMBIA RIVER EP-FND
190514G2-I 05/14/2019 05/24/2019 NITRATE EP FOR WELL #2 EP-AND
190514G1-I 05/14/2019 05/24/2019 NITRATE EP FOR WELL #4 EP-BND
190514G4-I 05/14/2019 05/24/2019 NITRATE EP FOR WELL #5 EP-C6.31
190514G5-I 05/14/2019 05/24/2019 NITRATE EP FOR WELL #6 EP-DND
190514G3-I 05/14/2019 05/24/2019 NITRATE EP FOR COLUMBIA RIVER EP-FND
180508M1-I 05/08/2018 05/14/2018 NITRATE EP FOR WELL #2 EP-AND
180508M2-I 05/08/2018 05/14/2018 NITRATE EP FOR WELL #4 EP-BND
180508M3-I 05/08/2018 05/14/2018 NITRATE EP FOR WELL #5 EP-C5.11
180508M4-I 05/08/2018 05/14/2018 NITRATE EP FOR WELL #6 EP-DND
180508M5-I 05/08/2018 05/14/2018 NITRATE EP FOR COLUMBIA RIVER EP-FND
170509D2-I 05/09/2017 05/22/2017 NITRATE EP FOR WELL #2 EP-AND
170509D3-I 05/09/2017 05/22/2017 NITRATE EP FOR WELL #4 EP-BND
170509D4-I 05/09/2017 05/22/2017 NITRATE EP FOR WELL #5 EP-C5.97
170509D5-I 05/09/2017 05/22/2017 NITRATE EP FOR WELL #6 EP-DND
170509D1-I 05/09/2017 05/22/2017 NITRATE EP FOR COLUMBIA RIVER EP-FND
160511H1-I 05/11/2016 05/25/2016 NITRATE EP FOR WELL #2 EP-AND
160511H2-I 05/11/2016 05/25/2016 NITRATE EP FOR WELL #4 EP-BND
160511H3-I 05/11/2016 05/25/2016 NITRATE EP FOR WELL #5 EP-C4.62
160511H4-I 05/11/2016 05/25/2016 NITRATE EP FOR WELL #6 EP-DND
160511H5-I 05/11/2016 05/25/2016 NITRATE EP FOR COLUMBIA RIVER EP-FND
105013J4-I 05/13/2015 05/22/2015 NITRATE EP FOR WELL #2 EP-AND
150513J1-I 05/13/2015 05/22/2015 NITRATE EP FOR WELL #4 EP-BND
150513J2-I 05/13/2015 05/22/2015 NITRATE EP FOR WELL #5 EP-C5.47
150513J5-I 05/13/2015 05/22/2015 NITRATE EP FOR WELL #6 EP-DND
150513J3-I 05/13/2015 05/22/2015 NITRATE EP FOR COLUMBIA RIVER EP-FND
416800701-I 06/16/2014 06/21/2014 NITRATE EP FOR WELL #2 EP-AND
412801102-I 05/07/2014 05/22/2014 NITRATE EP FOR WELL #4 EP-BND
412801104-I 05/07/2014 05/22/2014 NITRATE EP FOR WELL #5 EP-C5.34
412801103-I 05/07/2014 05/22/2014 NITRATE EP FOR WELL #6 EP-DND
412801101-I 05/07/2014 05/22/2014 NITRATE EP FOR COLUMBIA RIVER EP-FND
131120067003-I 11/19/2013 12/27/2013 NITRATE EP FOR WELL #4 EP-BND
322101704-I 08/08/2013 09/10/2013 NITRATE EP FOR WELL #2 EP-AND
322101701-I 08/08/2013 09/10/2013 NITRATE EP FOR WELL #5 EP-C6.6
322101703-I 08/08/2013 09/10/2013 NITRATE EP FOR WELL #6 EP-DND
322101702-I 08/08/2013 09/10/2013 NITRATE EP FOR COLUMBIA RIVER EP-FND
222300301-I 08/09/2012 08/21/2012 NITRATE EP FOR WELL #2 EP-AND
222300302-I 08/09/2012 08/21/2012 NITRATE EP FOR WELL #4 EP-BND
222300303-I 08/09/2012 08/21/2012 NITRATE EP FOR WELL #5 EP-C6.4
222300304-I 08/09/2012 08/21/2012 NITRATE EP FOR WELL #6 EP-DND
222300305-I 08/09/2012 08/21/2012 NITRATE EP FOR COLUMBIA RIVER EP-FND
213001201-I 05/08/2012 05/24/2012 NITRATE EP FOR COLUMBIA RIVER EP-FND
122300801-I 08/10/2011 08/25/2011 NITRATE EP FOR WELL #2 EP-AND
110609039001-I 06/08/2011 06/27/2011 NITRATE EP FOR COLUMBIA RIVER EP-F0.222
110608030001-I 06/07/2011 06/21/2011 NITRATE EP FOR WELL #4 EP-BND
110608030002-I 06/07/2011 06/21/2011 NITRATE EP FOR WELL #5 EP-C6.33
110608030003-I 06/07/2011 06/21/2011 NITRATE EP FOR WELL #6 EP-DND
1021719-I 08/04/2010 08/11/2010 NITRATE EP FOR WELL #2 EP-AND
1021720-I 08/04/2010 08/11/2010 NITRATE EP FOR WELL #4 EP-BND
1021721-I 08/04/2010 08/11/2010 NITRATE EP FOR WELL #5 EP-C6.8
1021722-I 08/04/2010 08/11/2010 NITRATE EP FOR WELL #6 EP-DND
1021723-I 08/04/2010 08/11/2010 NITRATE EP FOR COLUMBIA RIVER EP-FND
100610028001-I 06/09/2010 06/28/2010 NITRATE EP FOR COLUMBIA RIVER EP-F0.249
90812015-I 08/11/2009 09/08/2009 NITRATE EP FOR WELL #2 EP-A0.011
90812012-I 08/11/2009 09/08/2009 NITRATE EP FOR WELL #4 EP-BND
90812013-I 08/11/2009 09/08/2009 NITRATE EP FOR WELL #5 EP-C6.3
90812011-I 08/11/2009 09/08/2009 NITRATE EP FOR WELL #6 EP-DND
90812014-I 08/11/2009 09/08/2009 NITRATE EP FOR COLUMBIA RIVER EP-FND
080806J1Q-I 08/06/2008 08/14/2008 NITRATE EP FOR WELL #4 EP-BND
080806J2Q-I 08/06/2008 08/14/2008 NITRATE EP FOR WELL #5 EP-C5.85
080806J3Q-I 08/06/2008 08/14/2008 NITRATE EP FOR WELL #6 EP-DND
080806J4Q-I 08/06/2008 08/14/2008 NITRATE EP FOR COLUMBIA RIVER EP-FND
804110501-I 04/10/2008 05/12/2008 NITRATE EP FOR WELL #4 EP-BND
804110401-I 04/10/2008 05/12/2008 NITRATE EP FOR WELL #5 EP-C4.09
804110301-I 04/10/2008 05/12/2008 NITRATE EP FOR WELL #6 EP-DND
804110201-I 04/10/2008 05/08/2008 NITRATE EP FOR COLUMBIA RIVER EP-F0.59
A70510AH1 05/10/2007 05/31/2007 NITRATE EP FOR WELL #4 EP-BND
A70510AH2 05/10/2007 05/31/2007 NITRATE EP FOR WELL #5 EP-C5
A70510AH3 05/10/2007 05/31/2007 NITRATE EP FOR WELL #6 EP-DND
A70411AE1-I 04/11/2007 05/14/2007 NITRATE EP FOR COLUMBIA RIVER EP-F0.3
A60808AH1 08/08/2006 08/28/2006 NITRATE EP FOR WELL #4 EP-BND
A60808AH2N 08/08/2006 08/28/2006 NITRATE EP FOR WELL #5 EP-C6
A60808AH3 08/08/2006 08/28/2006 NITRATE EP FOR WELL #6 EP-DND
A60606BC1 06/06/2006 06/30/2006 NITRATE EP FOR COLUMBIA RIVER EP-FND
A50509O-1I 05/09/2005 06/02/2005 NITRATE EP FOR COLUMBIA RIVER EP-F0.3
A50504T-1I 05/03/2005 06/28/2005 NITRATE EP FOR WELL #4 EP-BND
A50504S-1I 05/03/2005 07/05/2005 NITRATE EP FOR WELL #5 EP-C4.2
A50504R-1I 05/03/2005 06/02/2005 NITRATE EP FOR WELL #6 EP-DND
A50308AJ-1 03/08/2005 03/21/2005 NITRATE EP FOR COLUMBIA RIVER EP-FND
A40810AB-1 08/10/2004 09/08/2004 NITRATE EP FOR WELL #2 EP-AND
A40810AB-2 08/10/2004 09/08/2004 NITRATE EP FOR WELL #4 EP-BND
A40810AB-3 08/10/2004 09/08/2004 NITRATE EP FOR WELL #5 EP-C6
A40810AB-4 08/10/2004 09/08/2004 NITRATE EP FOR WELL #6 EP-DND
A40617AB-1I 06/17/2004 11/10/2004 NITRATE EP FOR COLUMBIA RIVER EP-F0.2
A40310Q-1 03/10/2004 03/19/2004 NITRATE EP FOR COLUMBIA RIVER EP-F0.6
A30811K-1 08/11/2003 08/21/2003 NITRATE EP FOR WELL #2 EP-AND
A30811K-2 08/11/2003 08/21/2003 NITRATE EP FOR WELL #4 EP-BND
A30811K-3 08/11/2003 08/21/2003 NITRATE EP FOR WELL #5 EP-C6
A30811K-4 08/11/2003 08/21/2003 NITRATE EP FOR WELL #6 EP-DND
A30619C-1I 06/19/2003 08/04/2003 NITRATE EP FOR COLUMBIA RIVER EP-F0.1
A30305AD-1 03/05/2003 03/17/2003 NITRATE EP FOR COLUMBIA RIVER EP-F1
A20812C-1 08/12/2002 08/23/2002 NITRATE EP FOR WELL #2 EP-AND
A20812C-2 08/12/2002 08/23/2002 NITRATE EP FOR WELL #4 EP-B5.6
A20812C-3 08/12/2002 08/23/2002 NITRATE EP FOR WELL #5 EP-C0.03
A20812C-4 08/12/2002 08/23/2002 NITRATE EP FOR WELL #6 EP-DND
A20606L-1I 06/06/2002 07/31/2002 NITRATE EP FOR WELL #2 EP-AND
A20606M-1I 06/06/2002 07/29/2002 NITRATE EP FOR WELL #5 EP-C5
A20606I-1I 06/06/2002 07/31/2002 NITRATE EP FOR WELL #6 EP-DND
A20606H-1I 06/06/2002 07/03/2002 NITRATE EP FOR COLUMBIA RIVER EP-F0.18
A20305BD-1 03/05/2002 03/14/2002 NITRATE EP FOR COLUMBIA RIVER EP-F0.8
 

Archived Nitrate Samples
Sample ID Sample
Date
Date
Received
Analyte Name Source Name Source
ID
Result
A10808BL*C 08/07/2001 09/10/2001 Nitrate EP FOR WELL #5 CT TANK C4.8
A10808BLAA 08/07/2001 08/16/2001 Nitrate WELL #5 - HARPER RD CA4.8
A10612Z*A 06/11/2001 06/18/2001 Nitrate EP FOR WELL #2 AND
A10612Z*B 06/11/2001 06/18/2001 Nitrate EP FOR WELL #4 RESERVOIR BND
A10612Z*D 06/11/2001 06/18/2001 Nitrate EP FOR WELL #6 RESERVOIR DND
A10612Y*F 06/11/2001 06/28/2001 Nitrate EP FOR COLUMBIA RIVER WTP F0.3
A00418G*F 04/17/2000 05/03/2000 Nitrate EP FOR COLUMBIA RIVER WTP F0.38
A00330A*F 03/30/2000 04/06/2000 Nitrate EP FOR COLUMBIA RIVER WTP F0.7
990616BI*B 06/16/1999 07/26/1999 Nitrate EP FOR WELL #4 RESERVOIR BND
990616BJ*C 06/16/1999 07/26/1999 Nitrate EP FOR WELL #5 CT TANK C5.6
990616BM*D 06/16/1999 07/26/1999 Nitrate EP FOR WELL #6 RESERVOIR D0.29
990614AR*A 06/14/1999 07/06/1999 Nitrate EP FOR WELL #2 AND
990614AR*F 06/14/1999 07/06/1999 Nitrate EP FOR COLUMBIA RIVER WTP F0.12
981118AH*C 11/18/1998 11/27/1998 Nitrate EP FOR WELL #5 CT TANK C5
980818AH*C 08/18/1998 08/26/1998 Nitrate EP FOR WELL #5 CT TANK C6.7
980623AD*A 06/23/1998 07/02/1998 Nitrate EP FOR WELL #2 AND
980623AE*A 06/23/1998 07/06/1998 Nitrate EP FOR WELL #2 AND
980623AD4A 06/23/1998 09/16/1998 Nitrate EP FOR WELL #2 AND
980623AD*B 06/23/1998 07/02/1998 Nitrate EP FOR WELL #4 RESERVOIR B5.4
980623ADBA 06/23/1998 04/15/1999 Nitrate WELL #4 - 4TH ST. CITY SH. BAND
980623AD*C 06/23/1998 07/02/1998 Nitrate EP FOR WELL #5 CT TANK CND
980623ADCA 06/23/1998 04/15/1999 Nitrate WELL #5 - HARPER RD CA5.4
980623AD*D 06/23/1998 07/02/1998 Nitrate EP FOR WELL #6 RESERVOIR DND
980623AH*F 06/23/1998 07/09/1998 Nitrate EP FOR COLUMBIA RIVER WTP F0.15
980519S*C 05/19/1998 05/28/1998 Nitrate EP FOR WELL #5 CT TANK C4.9
980310AC*C 03/10/1998 04/09/1998 Nitrate EP FOR WELL #5 CT TANK C4.7
970826AC*A 08/26/1997 10/08/1997 Nitrate EP FOR WELL #2 AND
970617AJ*B 06/17/1997 06/27/1997 Nitrate EP FOR WELL #4 RESERVOIR BND
970617AJ*D 06/17/1997 06/27/1997 Nitrate EP FOR WELL #6 RESERVOIR DND
970617AJ*F 06/17/1997 07/16/1997 Nitrate EP FOR COLUMBIA RIVER WTP F0.13
970617AI*F 06/17/1997 08/12/1997 Nitrate EP FOR COLUMBIA RIVER WTP F0.13
997021BE*C 05/21/1997 06/24/1997 Nitrate EP FOR WELL #5 CT TANK C5.2
970211U*C 02/11/1997 08/12/1997 Nitrate EP FOR WELL #5 CT TANK C5.1
961209L*C 12/09/1996 12/27/1996 Nitrate EP FOR WELL #5 CT TANK C4.8
961015Y*F 10/15/1996 11/05/1996 Nitrate EP FOR COLUMBIA RIVER WTP F0.29
961015X*F 10/15/1996 10/25/1996 Nitrate EP FOR COLUMBIA RIVER WTP F0.18
960827AX*F 08/26/1996 10/01/1996 Nitrate EP FOR COLUMBIA RIVER WTP F0.12
960627AG*C 06/26/1996 07/31/1996 Nitrate EP FOR WELL #5 CT TANK C5
960627AG*D 06/26/1996 07/31/1996 Nitrate EP FOR WELL #6 RESERVOIR DND
960507AD*B 05/07/1996 06/05/1996 Nitrate EP FOR WELL #4 RESERVOIR BND
960507Z*F 05/07/1996 05/20/1996 Nitrate EP FOR COLUMBIA RIVER WTP F0.23
960215O*F 02/14/1996 08/27/1996 Nitrate EP FOR COLUMBIA RIVER WTP F0.42
950929AN*F 09/27/1995 08/27/1996 Nitrate EP FOR COLUMBIA RIVER WTP F0.29
950322N*B 03/21/1995 04/21/1995 Nitrate EP FOR WELL #4 RESERVOIR BND
950322N*C 03/21/1995 04/21/1995 Nitrate EP FOR WELL #5 CT TANK C3.9
950322N*D 03/21/1995 04/21/1995 Nitrate EP FOR WELL #6 RESERVOIR DND
940714AV*D 07/27/1994 10/01/1996 Nitrate EP FOR WELL #6 RESERVOIR DND
940714AV*B 07/13/1994 10/01/1996 Nitrate EP FOR WELL #4 RESERVOIR BND
940714AV*C 07/13/1994 10/01/1996 Nitrate EP FOR WELL #5 CT TANK C4.8
940202P*C 02/01/1994 10/01/1996 Nitrate EP FOR WELL #5 CT TANK C4.3
931028APCA 10/27/1993 01/04/1994 Nitrate WELL #4 - 4TH ST. CITY SH. BA0.07
931028AP*D 10/27/1993 01/04/1994 Nitrate EP FOR WELL #5 CT TANK C7
931028AP*E 10/27/1993 01/04/1994 Nitrate EP FOR WELL #6 RESERVOIR D0.07
930618TDA 06/17/1993 05/02/1994 Nitrate WELL #5 - HARPER RD CA2.1
930618TEA 06/17/1993 05/02/1994 Nitrate WELL #6 - HWY 395 DAND
930617BJBA 06/16/1993 05/02/1994 Nitrate WELL #3 - 3RD ST. EAND
930617BJCA 06/15/1993 05/02/1994 Nitrate WELL #4 - 4TH ST. CITY SH. BAND
930402ABCA 04/01/1993 05/02/1994 Nitrate WELL #4 - 4TH ST. CITY SH. BAND
930319BG*E 03/18/1993 05/02/1994 Nitrate EP FOR WELL #6 RESERVOIR DND
930319BGBA 03/18/1993 05/02/1994 Nitrate WELL #3 - 3RD ST. EAND
930317AFDA 03/16/1993 05/02/1994 Nitrate WELL #5 - HARPER RD CA3.6
-1974632 06/18/1992 08/05/1992 Nitrate EP FOR WELL #2 AND
-1974419 04/16/1992 05/26/1992 Nitrate EP FOR WELL #6 RESERVOIR DND
-1974514 10/24/1990 01/23/1991 Nitrate EP FOR WELL #4 RESERVOIR B3.6
-1974458 10/24/1990 01/23/1991 Nitrate EP FOR WELL #5 CT TANK C0.51
-1974570 10/24/1990 01/23/1991 Nitrate EP FOR WELL #3 E0.02
-1974633 05/16/1989 06/28/1989 Nitrate EP FOR WELL #2 AND
-1974634 11/23/1987 07/15/1988 Nitrate EP FOR WELL #2 AND
-1974515 11/23/1987 07/15/1988 Nitrate EP FOR WELL #4 RESERVOIR BND
-1974459 11/23/1987 07/15/1988 Nitrate EP FOR WELL #5 CT TANK C3.03
-1974571 11/23/1987 07/15/1988 Nitrate EP FOR WELL #3 END
-1974635 07/30/1984 07/30/1984 Nitrate EP FOR WELL #2 A0.28
 




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