OHA Drinking Water Services
PWS ID: 93750 ---- WILLOWCREEK ELEM SD #84

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, SODIUM = Sodium*
*Non-alert (water quality notice)
Results:  50 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
CHEM9266 09/30/2020 03/17/2021 SRC-BB NEW WELL CHEM ARSENIC 0.03450.0105 0.01
CHEM9266 09/30/2020 03/17/2021 SRC-BB NEW WELL SODIUM* SODIUM 73.520
COLI20876 10/21/2020 03/10/2021 SRC-BB well house SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
COLI20876 10/07/2020 03/10/2021 SRC-BB well house SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
COLI20876 09/30/2020 03/10/2021 SRC-BB well house SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
COLI20672 12/16/2020 12/18/2020 SRC-BA Well SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
COLI19268 09/16/2019 09/18/2019 SRC-BA well COLI COLIFORM, E. COLI Present Present Present09/18/2019
COLI19268 09/16/2019 09/18/2019 SRC-BA well COLI COLIFORM, E. COLI Present Present Present09/18/2019
COLI19268 09/16/2019 09/18/2019 SRC-BA well SOURCE* COLIFORM, TOTAL (TCR) Present Present Present09/18/2019
COLI19268 09/16/2019 09/18/2019 SRC-BA well SOURCE* COLIFORM, TOTAL (TCR) Present Present Present09/18/2019
COLI19268 09/16/2019 09/18/2019 SRC-BA well SOURCE* COLIFORM, TOTAL (TCR) Present Present Present09/18/2019
COLI19268 09/16/2019 09/18/2019 SRC-BA well SOURCE* COLIFORM, TOTAL (TCR) Present Present Present09/18/2019
COLI19268 09/16/2019 09/18/2019 SRC-BA well SOURCE* COLIFORM, TOTAL (TCR) Present Present Present09/18/2019
COLI19249 09/11/2019 09/13/2019 SRC-BA well COLI COLIFORM, E. COLI Present Present Present09/18/2019
COLI19249 09/11/2019 09/13/2019 SRC-BA well SOURCE* COLIFORM, TOTAL (TCR) Present Present Present09/18/2019
CHEM8100 09/12/2018 10/03/2018 EP-B EP FOR MAIN WELL CHEM ARSENIC 0.1820.0105 0.0110/03/2018
CHEM8087 09/12/2018 09/24/2018 EP-B EP FOR MAIN WELL CHEM NITRATE (AS N) 7.025 1009/25/2018
CHEM7859 01/24/2018 02/06/2018 EP-B EP FOR MAIN WELL CHEM ARSENIC 0.06910.0105 0.0102/07/2018
COLI17369 10/25/2017 10/27/2017 DIST-A kitchen sink COLI COLIFORM, E. COLI Present Present Present10/27/2017
COLI17369 10/25/2017 10/27/2017 DIST-A kitchen sink COLI COLIFORM, TOTAL (TCR) Present Present Present10/27/2017
CHEM7689 08/30/2017 09/08/2017 EP-B EP FOR MAIN WELL CHEM ARSENIC 0.02530.0105 0.0109/08/2017
CHEM7243 06/15/2016 08/17/2016 EP-B EP FOR MAIN WELL (PLAY FIELD) SODIUM* SODIUM 51.520
CHEM6915 09/16/2015 10/12/2015 LCR LEAD 90TH % VALUE 0.01590.0155 01/14/2016
CHEM6661 02/25/2015 03/17/2015 LCR LEAD 90TH % VALUE 0.01660.0155
CHEM6006 09/18/2013 10/11/2013 EP-B EP FOR MAIN WELL (PLAY FIELD) CHEM ARSENIC 0.01170.0105 0.0110/22/2013
CHEM5882 07/15/2013 08/02/2013 EP-B EP FOR MAIN WELL (PLAY FIELD) CHEM ARSENIC 0.03110.0105 0.01
CHEM5635 09/28/2012 12/11/2012 LCR LEAD 90TH % VALUE 0.0310.0155
CHEM3794 07/23/2007 10/20/2009 EP-B EP FOR MAIN WELL (PLAY FIELD) CHEM NITRATE+NITRITE (AS N) 8.485 10
CHEM2893 02/13/2008 03/31/2008 EP-B EP FOR MAIN WELL (PLAY FIELD) CHEM NITRATE+NITRITE (AS N) 6.535 10
CHEM2868 01/16/2008 02/29/2008 EP-A EP FOR IRRIGATION WELL (BEHIND SCHOOL) CHEM NITRATE (AS N) 8.135 10
CHEM2700 09/24/2007 11/01/2007 EP-B EP FOR MAIN WELL (PLAY FIELD) CHEM NITRATE+NITRITE (AS N) 8.485 10
CHEM2700 09/24/2007 11/01/2007 EP-B EP FOR MAIN WELL (PLAY FIELD) CHEM NITRATE+NITRITE (AS N) 8.615 10
CHEM2628 05/23/2007 10/02/2007 LCR LEAD 90TH % VALUE 0.016050.0155
CHEM2621 07/23/2007 10/01/2007 EP-B EP FOR MAIN WELL (PLAY FIELD) CHEM ARSENIC 0.05580.0105 0.01
CHEM2621 07/23/2007 10/01/2007 EP-B EP FOR MAIN WELL (PLAY FIELD) SODIUM* SODIUM 44.720
CHEM2597 07/23/2007 08/30/2007 EP-B EP FOR MAIN WELL (PLAY FIELD) CHEM NITRATE (AS N) 8.485 10
COLI3763 11/15/2006 11/17/2006 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI3763 11/15/2006 11/17/2006 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI3763 11/15/2006 11/17/2006 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI3763 11/15/2006 11/17/2006 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI3763 11/15/2006 11/17/2006 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI3699 10/25/2006 10/27/2006 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI1991 05/04/2005 05/09/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI1991 05/04/2005 05/09/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI1991 05/04/2005 05/09/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI1991 05/04/2005 05/09/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI1967 04/27/2005 05/02/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM959 07/19/2004 10/19/2004 EP-A EP for MAIN WELL (BEHIND SCHOOL) CHEM ARSENIC 0.0390.0105 0.01
CHEM959 07/19/2004 10/19/2004 EP-A EP for MAIN WELL (BEHIND SCHOOL) SODIUM* SODIUM 73.420
CHEM889 07/19/2004 09/24/2004 EP-A EP for MAIN WELL (BEHIND SCHOOL) CHEM DI(2-ETHYLHEXYL) - PHTHALATE 0.00090.0006 0.006
*Non-alert (water quality notice)


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
09/29/1998AA--MAIN WELL (BEHIND SCHOOL)Arsenic0.04 0.05
06/29/1998Coliform
03/11/1994AA--MAIN WELL (BEHIND SCHOOL)Nitrate5.64 10
03/12/2001AA--MAIN WELL (BEHIND SCHOOL)Phthalates (Di(2-Ethylhexyl))0.0034 0.006
03/12/2001AA--MAIN WELL (BEHIND SCHOOL)Sodium78.8
09/29/1998AA--MAIN WELL (BEHIND SCHOOL)Sodium88.9



For further information on this public water system, click on the area of interest below:
System Info :: Report for Lenders :: Alerts :: Violations :: Compliance & Enforcement :: Contacts & Advisories :: Site Visits :: Public Notice
Coliform Summary :: Coliform Results :: Sampling Schedule for Coliform :: Groundwater/GWUDI Source Details :: Plan Review :: Annual Fee
Chemical Group Summary :: Latest Chemical Results :: Entry Point Detects :: Single Analyte Results 
Chemical Schedule Summary :: Chemical Schedule Details
Lead & Copper :: Corrosion Control (LCR) :: Nitrate :: Arsenic :: Radionuclides :: GWR 4-Log :: LT2 :: Cyanotoxins
DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA For SDWIS: 3081