OHA Drinking Water Services
PWS ID: 94431 ---- JLR

Alerts indicate water quality tests with analytical results greater than the detection limit or one-half of the maximum allowable contaminant level which may require some follow-up actions by Drinking Water Services. See the Contacts link for reports on follow-up actions. Alerts are not water quality violations. Violations for this water system can be found here.

Alert Type Abbreviations:  CHEM = Chemical, COLI = Coliform, SOURCE = Coliform source sample*, LCR = Lead and copper 90th percentile
*Non-alert (water quality notice)
Results:  42 alerts found for this water system.Show response time
Water Quality Alerts
Alert ID Sample
Date		 Alert
Date		 Source
ID		 Source Name Alert
Type		 Contaminant Result Alert
Level		 MCL Contact
Report
CHEM1471 06/01/1996 03/21/2005 LCR COPPER 90TH % VALUE 31.35
CHEM1471 02/09/1997 03/21/2005 LCR COPPER 90TH % VALUE 1.41.35
COLI16589 03/01/2017 03/03/2017 DIST-A sink at xray COLI COLIFORM, TOTAL (TCR) Present Present Present03/03/2017
COLI15222 01/20/2016 01/22/2016 DIST-A sink by xray 3 COLI COLIFORM, TOTAL (TCR) Present Present Present03/15/2016
COLI14179 05/21/2015 05/27/2015 DIST-A well 5 COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI10522 05/21/2012 05/30/2012 SRC-AE well # 7 SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
COLI10484 05/10/2012 05/14/2012 DIST-A bldg 2 cafeteria sink COLI COLIFORM, TOTAL (TCR) Present Present Present05/14/2012
COLI10484 05/10/2012 05/14/2012 DIST-A bldg 2 drink fntn COLI COLIFORM, TOTAL (TCR) Present Present Present05/14/2012
COLI10472 05/08/2012 05/10/2012 DIST-A bldg 2 cafeteria sink COLI COLIFORM, TOTAL (TCR) Present Present Present05/11/2012
CHEM1471 06/01/1996 03/21/2005 LCR LEAD 90TH % VALUE 0.060.0155
CHEM6708 05/18/2015 05/28/2015 EP-A EP FOR WELL FIELD (#2,4,5,7 & 8) CHEM ARSENIC 0.02510.0105 0.0105/29/2015
CHEM8320 04/29/2019 05/01/2019 EP-A EP FOR WELL FIELD (#2,4,5,7 & 8) CHEM ARSENIC 0.01530.0105 0.0105/07/2019
CHEM3142 12/29/2005 08/29/2008 EP-A EP FOR WELL FIELD (#2,3,4,5,7 & 8) CHEM ARSENIC 0.01480.0105 0.01
CHEM7950 05/22/2018 05/30/2018 EP-A EP FOR WELL FIELD (#2,4,5,7 & 8) CHEM ARSENIC 0.01320.0105 0.0105/31/2018
CHEM4860 04/12/2011 05/06/2011 EP-A EP FOR WELL FIELD (#2,4,5,7 & 8) CHEM ARSENIC 0.01320.0105 0.0105/17/2011
CHEM9183 12/15/2020 12/23/2020 EP-A EP FOR WELL FIELD (#2,4,5,7 & 8) CHEM ARSENIC 0.0130.0105 0.0112/23/2020
CHEM7204 06/09/2016 07/13/2016 EP-A EP FOR WELL FIELD (#2,4,5,7 & 8) CHEM ARSENIC 0.01230.0105 0.0106/21/2016
CHEM6653 02/25/2015 03/11/2015 EP-A EP FOR WELL FIELD (#2,4,5,7 & 8) CHEM ARSENIC 0.01230.0105 0.0103/11/2015
CHEM9039 08/18/2020 08/25/2020 EP-A EP FOR WELL FIELD (#2,4,5,7 & 8) CHEM ARSENIC 0.01190.0105 0.0107/31/2019
CHEM1106 09/29/2004 01/14/2005 EP-A EP FOR WELL FIELD (#2,3,4,5,7 & 8) CHEM ARSENIC 0.0110.0105 0.01
CHEM8920 04/13/2020 04/15/2020 EP-A EP FOR WELL FIELD (#2,4,5,7 & 8) CHEM ARSENIC 0.01060.0105 0.0104/16/2020
CHEM1040 09/22/2004 12/10/2004 EP-A EP FOR WELL FIELD (#2,3,4,5,7 & 8) CHEM TRANS-1,2-DICHLOROETHYLENE 0.00550.0005 0.1
CHEM1040 09/22/2004 12/10/2004 EP-A EP FOR WELL FIELD (#2,3,4,5,7 & 8) CHEM CIS-1,2-DICHLOROETHYLENE 0.00310.0005 0.07
CHEM7245 06/12/2016 08/17/2016 EP-A EP FOR WELL FIELD (#2,4,5,7 & 8) CHEM CIS-1,2-DICHLOROETHYLENE 0.001570.0005 0.0709/08/2016
CHEM7245 06/12/2016 08/17/2016 EP-A EP FOR WELL FIELD (#2,4,5,7 & 8) CHEM TRANS-1,2-DICHLOROETHYLENE 0.001240.0005 0.109/08/2016
CHEM4769 01/27/2011 02/22/2011 EP-A EP FOR WELL FIELD (#2,4,5,7 & 8) CHEM TRANS-1,2-DICHLOROETHYLENE 0.001190.0005 0.1
CHEM4769 01/27/2011 02/22/2011 EP-A EP FOR WELL FIELD (#2,4,5,7 & 8) CHEM CIS-1,2-DICHLOROETHYLENE 0.00110.0005 0.07
CHEM4527 09/28/2010 11/10/2010 EP-A EP FOR WELL FIELD (#2,4,5,7 & 8) CHEM CIS-1,2-DICHLOROETHYLENE 0.001080.0005 0.0712/13/2010
CHEM4527 09/28/2010 11/10/2010 EP-A EP FOR WELL FIELD (#2,4,5,7 & 8) CHEM TRANS-1,2-DICHLOROETHYLENE 0.000960.0005 0.112/13/2010
CHEM6695 03/26/2015 04/22/2015 EP-A EP FOR WELL FIELD (#2,4,5,7 & 8) CHEM TRANS-1,2-DICHLOROETHYLENE 0.000810.0005 0.1
CHEM4929 06/06/2011 07/01/2011 EP-A EP FOR WELL FIELD (#2,4,5,7 & 8) CHEM TRANS-1,2-DICHLOROETHYLENE 0.000750.0005 0.1
CHEM5329 03/16/2012 04/10/2012 EP-A EP FOR WELL FIELD (#2,4,5,7 & 8) CHEM CIS-1,2-DICHLOROETHYLENE 0.000710.0005 0.07
CHEM5736 03/15/2013 03/29/2013 EP-A EP FOR WELL FIELD (#2,4,5,7 & 8) CHEM CIS-1,2-DICHLOROETHYLENE 0.00070.0005 0.0704/18/2013
CHEM6695 03/26/2015 04/22/2015 EP-A EP FOR WELL FIELD (#2,4,5,7 & 8) CHEM CIS-1,2-DICHLOROETHYLENE 0.000690.0005 0.07
CHEM5736 03/15/2013 03/29/2013 EP-A EP FOR WELL FIELD (#2,4,5,7 & 8) CHEM TRANS-1,2-DICHLOROETHYLENE 0.000690.0005 0.104/18/2013
CHEM7677 08/09/2017 08/30/2017 EP-A EP FOR WELL FIELD (#2,4,5,7 & 8) CHEM 1,2-DICHLOROETHANE 0.000670.0005 0.00508/31/2017
CHEM5329 03/16/2012 04/10/2012 EP-A EP FOR WELL FIELD (#2,4,5,7 & 8) CHEM TRANS-1,2-DICHLOROETHYLENE 0.000620.0005 0.1
CHEM6278 04/08/2014 05/02/2014 EP-A EP FOR WELL FIELD (#2,4,5,7 & 8) CHEM CIS-1,2-DICHLOROETHYLENE 0.000590.0005 0.0705/07/2014
CHEM4929 06/06/2011 07/01/2011 EP-A EP FOR WELL FIELD (#2,4,5,7 & 8) CHEM CIS-1,2-DICHLOROETHYLENE 0.000580.0005 0.07
CHEM4687 12/21/2010 01/12/2011 EP-A EP FOR WELL FIELD (#2,4,5,7 & 8) CHEM CIS-1,2-DICHLOROETHYLENE 0.000560.0005 0.0701/25/2011
CHEM4687 12/21/2010 01/12/2011 EP-A EP FOR WELL FIELD (#2,4,5,7 & 8) CHEM TRANS-1,2-DICHLOROETHYLENE 0.000540.0005 0.101/25/2011
CHEM6278 04/08/2014 05/02/2014 EP-A EP FOR WELL FIELD (#2,4,5,7 & 8) CHEM TRANS-1,2-DICHLOROETHYLENE 0.000520.0005 0.105/07/2014
*Non-alert (water quality notice)


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
06/15/1993AD--WELL #51,1,1-Trichloroethane0.0006 0.2
06/15/1993AE--WELL #7Arsenic0.07 0.05
10/23/2000A--WELL FIELD (#2,3,4,5,7 & 8)Carbon Tetrachloride0.02 0.005
07/21/1997A--WELL FIELD (#2,3,4,5,7 & 8)Cis-1,2-Dichloroethylene0.0007 0.07
10/01/1996AC--WELL #4Cis-1,2-Dichloroethylene0.0007 0.07
10/01/1996AD--WELL #5Cis-1,2-Dichloroethylene0.0039 0.07
10/01/1996A--WELL FIELD (#2,3,4,5,7 & 8)Cis-1,2-Dichloroethylene0.0008 0.07
06/15/1993AD--WELL #5Cis-1,2-Dichloroethylene0.0094 0.07
01/10/1991AD--WELL FIELD (#2,3,4,5,7 & 8) - WELL #5Cis-1,2-Dichloroethylene0.0055 0.07
06/15/1993AE--WELL #7Nickel0.06 0.1
10/19/1998A--WELL FIELD (#2,3,4,5,7 & 8)Trans-1,2-Dichloroethylene0.0022 0.1
07/21/1997A--WELL FIELD (#2,3,4,5,7 & 8)Trans-1,2-Dichloroethylene0.002 0.1
10/01/1996AC--WELL #4Trans-1,2-Dichloroethylene0.0022 0.1
10/01/1996AD--WELL #5Trans-1,2-Dichloroethylene0.012 0.1
10/01/1996A--WELL FIELD (#2,3,4,5,7 & 8)Trans-1,2-Dichloroethylene0.0026 0.1
06/15/1993AD--WELL #5Trans-1,2-Dichloroethylene0.029 0.1
01/10/1991AD--WELL FIELD (#2,3,4,5,7 & 8) - WELL #5Trans-1,2-Dichloroethylene0.02 0.1
06/15/1993AD--WELL #5Trichloroethylene0.001 0.005
01/10/1991AD--WELL FIELD (#2,3,4,5,7 & 8) - WELL #5Trichloroethylene0.0025 0.005


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