OHA Drinking Water Services
PWS ID: 94336 ---- MONROVIA NORTH

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, SOURCE = Coliform source sample*, LCR = Lead and copper 90th percentile, SODIUM = Sodium*
*Non-alert (water quality notice)
Results:  13 alerts found for this water system.Show response time
Water Quality Alerts
Alert ID Sample
Date
Alert
Date
Source
ID
Source Name Alert
Type
Contaminant Result Alert
Level
MCL Contact
Report
COLI19626 12/20/2019 12/23/2019 DIST-A b187 COLI COLIFORM, TOTAL (TCR) Present Present Present12/27/2019
COLI19626 12/20/2019 12/23/2019 DIST-A E188 COLI COLIFORM, TOTAL (TCR) Present Present Present12/27/2019
COLI19613 12/17/2019 12/19/2019 DIST-A B187 faucet COLI COLIFORM, TOTAL (TCR) Present Present Present12/27/2019
COLI18539 12/14/2018 12/17/2018 DIST-A B187 Faucet COLI COLIFORM, TOTAL (TCR) Present Present Present12/21/2018
COLI17541 12/14/2017 12/15/2017 DIST-A b187 faucet COLI COLIFORM, E. COLI Present Present Present12/15/2017
COLI17541 12/14/2017 12/15/2017 DIST-A b187 faucet COLI COLIFORM, TOTAL (TCR) Present Present Present12/15/2017
COLI11188 11/15/2012 11/19/2012 SRC-BA well #5 SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
CHEM5553 09/18/2012 10/05/2012 LCR LEAD 90TH % VALUE 0.0170.0155 10/06/2012
COLI3591 09/26/2006 09/28/2006 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI2140 06/28/2005 07/12/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM1614 06/30/2004 05/18/2005 EP-C EP FOR WELL #1 CHEM ARSENIC 0.0230.0105 0.01
CHEM893 08/11/2004 09/24/2004 EP-D EP FOR WELL #4 CHEM ARSENIC 0.0230.0105 0.01
CHEM893 08/11/2004 09/24/2004 EP-D EP FOR WELL #4 SODIUM* SODIUM 21.8120
*Non-alert (water quality notice)


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
07/09/1998D--ENTRY POINT - WELL #41,2-Dichloroethane0.0011 0.005
07/16/2001AA--WELL #2.Arsenic0.033 0.05
08/02/1993Coliform
07/30/1993Coliform
06/18/1997D--ENTRY POINT - WELL #4Nitrate8.9 10
06/03/1996D--ENTRY POINT - WELL #4Nitrate12 10
07/26/1995D--ENTRY POINT - WELL #4Nitrate6.5 10
09/08/1994DA--WELL #4.Nitrate7.1 10
07/09/1998D--ENTRY POINT - WELL #4Sodium25



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: 3033