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, SODIUM = Sodium*
*Non-alert (water quality notice)
Response Time is the number of days from the alert date to the contact report date.
Results:  8 alerts found for this water system.Hide response time
Water Quality Alerts
Alert ID Sample
Source Name Alert
Contaminant Result Alert
MCL Contact
Time (Days)
CHEM1541 08/11/2004 05/03/2005 EP-A EP FOR TOKETEE LAKE SODIUM* SODIUM 20.620
COLI466 07/30/2003 08/12/2003 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM2146 07/07/2006 08/28/2006 EP-A EP FOR TOKETEE LAKE CHEM CHLOROFORM 0.00330
CHEM5822 06/05/2013 06/25/2013 EP-A EP FOR TOKETEE LAKE CHEM XYLENES 0.00240.0005 10
CHEM5509 07/02/2012 09/13/2012 EP-A EP FOR TOKETEE LAKE CHEM XYLENES 0.002270.0005 1011/02/201250
CHEM3178 08/10/2007 10/09/2008 CH-A COMMON HEADER FOR WTP-A CHEM XYLENES 0.00160.0005 10
CHEM5758 04/03/2013 04/29/2013 EP-A EP FOR TOKETEE LAKE CHEM XYLENES 0.00150.0005 1004/30/20131
CHEM5509 08/15/2012 09/13/2012 EP-A EP FOR TOKETEE LAKE CHEM XYLENES 0.001440.0005 1011/02/201250
*Non-alert (water quality notice)

Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l

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: 3115