System Information     Schedule Counts
Status:  ACTIVE
System Type:  Community
Population Served:  217,000
 Active:  11
Inactive:  0
Expired:  15  Show Expired

PWS #:  00665   TUALATIN VALLEY WATER DISTRICT    Routine Sampling Schedules For Chemicals
Facility
ID
Name Status Test Group Samples
Required
   Sampling
Interval
Start End    Notes
DIST-A DISTRIBUTION SYSTEMALEAD & COPPER100  6 Months07/01/2022Open
DIST-A DISTRIBUTION SYSTEMASTAGE 2 DBP8  Quarterly04/01/2014OpenSample in June, Sept, Dec, & March
EP-C EP FOR WELL 1 - GRABHORN ASRAARSENIC1  9 Years01/01/2017OpenSchedule Reflects Monitoring Reduction Granted
EP-C EP FOR WELL 1 - GRABHORN ASRAIOC1  9 Years01/01/2017OpenSchedule Reflects Monitoring Reduction Granted
EP-C EP FOR WELL 1 - GRABHORN ASRANITRATE1  Yearly01/01/2009Open
EP-C EP FOR WELL 1 - GRABHORN ASRANITRITE1  9 Years01/01/2017OpenSchedule Reflects Monitoring Reduction Granted
EP-C EP FOR WELL 1 - GRABHORN ASRARAD - GROSS ALPHA1  9 Years01/01/2011OpenSchedule Reflects Monitoring Reduction Granted
EP-C EP FOR WELL 1 - GRABHORN ASRARAD - RADIUM 226/2281  9 Years01/01/2014OpenSchedule Reflects Monitoring Reduction Granted
EP-C EP FOR WELL 1 - GRABHORN ASRARAD - URANIUM1  9 Years01/01/2014OpenSchedule Reflects Monitoring Reduction Granted
EP-C EP FOR WELL 1 - GRABHORN ASRASOC2  3 Years01/01/2014Open2 Consec. QT Samples
EP-C EP FOR WELL 1 - GRABHORN ASRAVOLATILE ORGANICS1  3 Years01/01/2014Open


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