OHA Drinking Water Services
Chemical Results

ND = Not Detected at the Minimum Reporting Level
MCL exceedances are indicated with red text

Chemical Source ID Result Current MCL UOM
22-76196-I11/29/202212/01/2022NITRATE EP-A0.030000010.000000 MG/L
2162499-I08/27/202108/31/2021NITRATE EP-AND10.000000 MG/L
2082301-I12/08/202012/09/2020NITRATE EP-AND10.000000 MG/L
1952362-I07/19/201907/26/2019NITRATE EP-AND10.000000 MG/L
1952362A-I07/19/201907/26/2019ARSENIC EP-A0.00800000.0100000 MG/L
1880824-I10/22/201810/25/2018NITRATE EP-AND10.000000 MG/L
17721054-I11/16/201711/17/2017NITRATE EP-AND10.000000 MG/L
1700999-I01/09/201701/20/2017ARSENIC EP-AND0.0100000 MG/L
1632458-I06/16/201606/21/2016NITRATE EP-AND10.000000 MG/L
1556574-I11/23/201512/02/2015NITRATE EP-AND10.000000 MG/L
1444275-I10/02/201410/03/2014NITRATE EP-AND10.000000 MG/L
44542-I10/14/201310/15/2013NITRATE EP-AND10.000000 MG/L
25821-I04/25/201204/26/2012NITRATE EP-AND10.000000 MG/L
23488-I06/03/201106/13/2011NITRATE EP-AND10.000000 MG/L
21685-I08/31/201009/09/2010NITRATE EP-AND10.000000 MG/L
19360-I08/28/200911/10/2009NITRATE EP-AND10.000000 MG/L
17483-I09/10/200809/19/2008NITRATE EP-AND10.000000 MG/L
15602-I10/26/200710/31/2007NITRATE EP-AND10.000000 MG/L
1326409/06/200609/13/2006NITRATE EP-AND10.000000 MG/L
9563-I03/08/200504/05/2005ANTIMONY, TOTAL EP-AND0.0060000 MG/L
9563-I03/08/200504/05/2005ARSENIC EP-AND0.0100000 MG/L
9563-I03/08/200504/05/2005BARIUM EP-A0.00170002.0000000 MG/L
9563-I03/08/200504/05/2005BERYLLIUM, TOTAL EP-AND0.0040000 MG/L
9563-I03/08/200504/05/2005CADMIUM EP-AND0.0050000 MG/L
9563-I03/08/200504/05/2005CHROMIUM EP-AND0.1000000 MG/L
9563-I03/08/200504/05/2005CYANIDE EP-AND0.2000000 MG/L
9563-I03/08/200504/05/2005FLUORIDE EP-AND4.0000000 MG/L
9563-I03/08/200504/05/2005MERCURY EP-AND0.0020000 MG/L
9563-I03/08/200504/05/2005NICKEL EP-AND0.1000000 MG/L
9563-I03/08/200504/05/2005NITRATE EP-A0.300000010.000000 MG/L
9563-I03/08/200504/05/2005NITRATE-NITRITE EP-A0.300000010.000000 MG/L
9563-I03/08/2005NITRITE EP-AND1.0000000 MG/L
9563-I03/08/200504/05/2005SELENIUM EP-AND0.0500000 MG/L
9563-I03/08/200504/05/2005SODIUM EP-A10.000000 MG/L
9563-I03/08/200504/05/2005THALLIUM, TOTAL EP-AND0.0020000 MG/L
7596-I03/10/200403/22/2004NITRATE EP-AND10.000000 MG/L
670109/11/200309/22/2003NITRATE EP-AND10.000000 MG/L
506009/17/200209/23/2002NITRATE EP-AND10.000000 MG/L
7051-101/18/198810/08/2004ARSENIC EP-A0.02700000.0100000 MG/L
7051-101/18/198810/08/2004BARIUM EP-AND2.0000000 MG/L
7051-101/18/198810/08/2004CADMIUM EP-AND0.0050000 MG/L
7051-101/18/198810/08/2004CHROMIUM EP-AND0.1000000 MG/L
7051-101/18/198810/08/2004LEAD EP-AND0.0150000 MG/L
7051-101/18/198810/08/2004MERCURY EP-AND0.0020000 MG/L
7051-101/18/198810/08/2004NITRATE EP-AND10.000000 MG/L
7051-101/18/198810/08/2004SELENIUM EP-AND0.0500000 MG/L
7051-101/18/198810/08/2004SILVER EP-AND0.1000000 MG/L

Archived Results
Chemical Source ID Result MCL
06/12/2001 06/18/2001 Nitrate AAND10.000000
03/31/2000 04/05/2000 Nitrate AAND10.000000
07/13/1999 07/19/1999 Nitrate AAND10.000000
05/17/1995 12/17/1996 Nitrate AA0.190000010.000000
03/27/1987 04/25/1987 Nitrate AND10.000000

A blank or a 0 in the MCL column indicates that a MCL has not been set for that chemical.
This list represents all sample results for all of the water system's sources and entry points.

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