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)
Response Time is the number of days from the alert date to the contact report date.
Results:  12 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)
COLI20511 11/03/2020 11/05/2020 DIST-A 3226 Lynch COLI COLIFORM, TOTAL (TCR) Present Present Present11/04/2020-1
COLI3794 11/28/2006 11/30/2006 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI3648 10/13/2006 10/16/2006 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM7514 02/06/2017 02/24/2017 EP-A EP FOR WELL #1 SODIUM* SODIUM 24.420
CHEM3809 09/15/2009 11/04/2009 EP-A EP for WELL #1 (MONTGOMERY DRIVE) SODIUM* SODIUM 26.520
CHEM7514 02/06/2017 02/24/2017 EP-B EP FOR WELL #2 SODIUM* SODIUM 26.420
CHEM3809 09/15/2009 11/04/2009 EP-B EP FOR WELL #2 (LYNCH & 25TH) SODIUM* SODIUM 23.420
COLI20511 11/03/2020 11/05/2020 DIST-A reservoir COLI COLIFORM, TOTAL (TCR) Present Present Present11/04/2020-1
COLI15718 07/12/2016 07/13/2016 DIST-A reservoir pump house COLI COLIFORM, TOTAL (TCR) Present Present Present07/14/20161
COLI20502 11/02/2020 11/04/2020 DIST-A Reservoir Pumphouse COLI COLIFORM, TOTAL (TCR) Present Present Present11/03/2020-1
COLI20239 09/09/2020 09/10/2020 DIST-A reservoir pumphouse COLI COLIFORM, TOTAL (TCR) Present Present Present09/10/20200
COLI20511 11/03/2020 11/05/2020 SRC-AA well 1 SOURCE* COLIFORM, TOTAL (TCR) Present Present Present11/04/2020-1
*Non-alert (water quality notice)

Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
10/23/1997AA--WELL #1 (MONTGOMERY DRIVE)Chromium0.055 0.1
02/06/1991A--WELL #1 (MONTGOMERY DRIVE)Lead0.026 0.015
10/23/1997AA--WELL #1 (MONTGOMERY DRIVE)Nickel0.086 0.1
10/23/1997AA--WELL #1 (MONTGOMERY DRIVE)Nitrate5.1 10
11/07/2000AA--WELL #1 (MONTGOMERY DRIVE)Sodium46
11/07/2000BA--WELL #2 (LYNCH & 25TH)Sodium36.6
10/23/1997AA--WELL #1 (MONTGOMERY DRIVE)Sodium31
06/23/1997BA--WELL #2 (LYNCH & 25TH)Sodium23
11/17/1994AA--WELL #1 (MONTGOMERY DRIVE)Sodium26.4
11/17/1994BA--WELL #2 (LYNCH & 25TH)Sodium27.5

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: 3712