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, LCR = Lead and copper 90th percentile, LCRE = Lead and copper corrosion control, SODIUM = Sodium*
*Non-alert (water quality notice)
Results:  11 alerts found for this water system.Show response time
Water Quality Alerts
Alert ID Sample
Source Name Alert
Contaminant Result Alert
MCL Contact
COLI21348 09/01/2021 09/07/2021 DIST-A 93740 Shutters End NB #15 Sink COLI COLIFORM, TOTAL (TCR) Present Present Present09/07/2021
COLI20351 10/01/2020 10/05/2020 DIST-A sink COLI COLIFORM, TOTAL (TCR) Present Present Present10/05/2020
CHEM8273 02/18/2019 03/22/2019 EP-A EP FOR WELL SODIUM* SODIUM 22.220
COLI7991 08/02/2010 08/04/2010 DIST-A sink COLI COLIFORM, TOTAL (TCR) Present Present Present08/04/2010
CHEM4108 04/19/2010 06/07/2010 EP-A EP FOR WELL (COOS 1625) SODIUM* SODIUM 29.320
LCRE9839 03/01/2009 04/14/2009 EP-A EP FOR WELL LCRE LCR EXCURSION1>0 04/15/2009
COLI4649 10/04/2007 10/08/2007 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present10/10/2007
COLI4490 09/05/2007 09/07/2007 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present09/07/2007
LCRE7578 09/01/2006 10/04/2006 EP-A EP FOR WELL LCRE LCR EXCURSION2>0
LCRE2090 08/01/2006 09/08/2006 EP-A EP FOR WELL LCRE LCR EXCURSION2>0
CHEM1253 10/04/1995 03/21/2005 LCR LEAD 90TH % VALUE 0.0320.0155
*Non-alert (water quality notice)

Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
10/17/2001A--EP for WELLSodium47.6

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: 3765