OHA Drinking Water Services
PWS ID: 94941 ---- TUALATIN VALLEY REGIONAL TRNG CTR

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
Results:  3 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
COLI3481 09/06/2006 09/07/2006 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI3481 09/06/2006 09/07/2006 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI3476 09/05/2006 09/06/2006 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
10/22/1999Coliform
10/06/1999Coliform
11/16/1998Coliform
09/15/1997Coliform
01/08/1997Coliform
12/24/1996Coliform
10/08/1996Coliform
09/30/1996Coliform
07/09/2001A--EP FOR WELL #1Nitrate11 10



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: 2976