OHA Drinking Water Services
PWS ID: 93774 ---- WEST UNION ELEM SD 1

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, SODIUM = Sodium*
*Non-alert (water quality notice)
Results:  16 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
CHEM9167 11/23/2020 12/16/2020 EP-A EP FOR WELL CHEM TOLUENE 0.0060.0005 112/16/2020
CHEM8726 11/07/2019 12/02/2019 EP-A EP FOR WELL CHEM TOLUENE 0.05430.0005 112/12/2019
CHEM6270 04/10/2014 04/23/2014 EP-A EP FOR WELLS CHEM TOLUENE 0.00050.0005 104/23/2014
CHEM6189 01/15/2014 01/24/2014 EP-A EP FOR WELLS CHEM TOLUENE 0.00050.0005 101/27/2014
CHEM6085 11/01/2013 12/04/2013 EP-A EP FOR WELLS CHEM TOLUENE 0.0010.0005 112/05/2013
CHEM6073 11/08/2013 11/26/2013 EP-A EP FOR WELLS CHEM TOLUENE 0.00530.0005 111/27/2013
CHEM5951 08/13/2013 09/18/2013 EP-A EP FOR WELLS CHEM TOLUENE 0.00190.0005 109/18/2013
CHEM5951 08/13/2013 09/18/2013 EP-A EP FOR WELLS SODIUM* SODIUM 6020 09/18/2013
CHEM4926 05/04/2011 06/28/2011 EP-A EP for WELL SODIUM* SODIUM 58.220
COLI4114 04/26/2007 04/30/2007 DIST-A Distribution System COLI COLIFORM, E. COLI Present Present Present
COLI4114 04/26/2007 04/30/2007 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI3963 01/29/2007 02/01/2007 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI3963 01/29/2007 02/01/2007 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI3963 01/29/2007 02/01/2007 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI3959 01/25/2007 01/29/2007 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI1716 11/23/2004 12/06/2004 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
*Non-alert (water quality notice)


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
10/04/2000AA--WELLSodium90
09/17/1997AA--WELLSodium56
11/10/1994AA--WELLSodium55



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: 1449