OHA Drinking Water Services

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:  COLI = Coliform, SOURCE = Coliform source sample*, SODIUM = Sodium*
*Non-alert (water quality notice)
Results:  10 alerts found for this water system.Show response time
Water Quality Alerts
Alert ID Sample
Source Name Alert
Contaminant Result Alert
MCL Contact
COLI20891 03/22/2021 03/24/2021 DIST-A School restroom sink COLI COLIFORM, TOTAL (TCR) Present Present Present03/24/2021
COLI20883 03/15/2021 03/18/2021 DIST-A House #10 sink COLI COLIFORM, TOTAL (TCR) Present Present Present03/17/2021
COLI19715 02/12/2020 02/14/2020 DIST-A shop office sink COLI COLIFORM, TOTAL (TCR) Present Present Present02/14/2020
COLI19708 02/10/2020 02/12/2020 DIST-A none given COLI COLIFORM, TOTAL (TCR) Present Present Present02/14/2020
COLI19590 12/11/2019 12/13/2019 DIST-A None Given COLI COLIFORM, TOTAL (TCR) Present Present Present12/18/2019
CHEM7742 08/22/2017 10/20/2017 EP-A EP FOR WELLS SODIUM* SODIUM 8120
COLI16771 05/23/2017 05/25/2017 SRC-AA south well pump house SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
COLI16756 05/16/2017 05/18/2017 DIST-A not listed COLI COLIFORM, TOTAL (TCR) Present Present Present05/18/2017
CHEM6575 11/13/2014 12/19/2014 EP-A EP FOR WELLS SODIUM* SODIUM 78.320
CHEM5226 12/20/2011 01/18/2012 EP-A EP FOR WELLS SODIUM* SODIUM 58.120
*Non-alert (water quality notice)

Archived Alerts (SWS database)
No archived alerts found.

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: 4970