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:  CHEM = Chemical, COLI = Coliform, LCR = Lead and copper 90th percentile, LCRE = Lead and copper corrosion control
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
LCRE28897 04/01/2021 05/12/2021 EP-A EP FOR CREEKS LCRE LCR EXCURSION1>0 06/02/2021
COLI16729 05/09/2017 05/10/2017 DIST-A 161 sether ave hb COLI COLIFORM, TOTAL (TCR) Present Present Present
LCRE17724 01/01/2015 02/06/2015 EP-A EP FOR CREEKS LCRE LCR EXCURSION1>0
CHEM4556 10/26/2010 11/17/2010 EP-A EP FOR CREEKS CHEM DI(2-ETHYLHEXYL) - PHTHALATE 0.000690.0006 0.006
CHEM4440 08/24/2010 10/20/2010 EP-A EP FOR CREEKS CHEM DI(2-ETHYLHEXYL) - PHTHALATE 0.00310.0006 0.00610/20/2010
CHEM1209 09/28/1993 03/21/2005 LCR COPPER 90TH % VALUE 1.751.35

Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
04/18/2001A--EP AT TREATMENT PLANTSodium20

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 :: PFAS
DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA For SDWIS: 3956