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:  6 alerts found for this water system.Show response time
Water Quality Alerts
Alert ID Sample
Source Name Alert
Contaminant Result Alert
MCL Contact
COLI19651 01/02/2020 01/06/2020 DIST-A Lot 75 COLI COLIFORM, TOTAL (TCR) Present Present Present01/08/2020
CHEM7626 06/06/2017 07/13/2017 EP-A EP FOR RESERVOIR SODIUM* SODIUM 15220
COLI16188 10/28/2016 11/01/2016 DIST-A space 37 os faucet COLI COLIFORM, TOTAL (TCR) Present Present Present10/31/2016
COLI14993 11/25/2015 12/01/2015 DIST-A sp 37 os faucet COLI COLIFORM, TOTAL (TCR) Present Present Present11/30/2015
COLI13778 12/19/2014 12/24/2014 SRC-AA well #1 (north well) SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
CHEM1632 03/10/2005 06/23/2005 EP-A EP FOR RESERVOIR SODIUM* SODIUM 15020
*Non-alert (water quality notice)

Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
12/18/1996A--EP FOR RESERVOIRSodium23.8

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: 3262