OHA Drinking Water Services
OR41
PWS ID: 00878 ---- TIGARD, CITY OF
System Information     Schedule Counts
Status:  ACTIVE
System Type:  Community
Population Served:  62,500
 Active:  29     Show Only Active
Inactive:  0
Expired:  16

Routine Sampling Schedules For Chemicals
Facility
ID
Name Status Test Group Samples
Required
   Sampling
Interval
Start End    Notes
DIST-A DISTRIBUTION SYSTEMALEAD & COPPER30  3 Years01/01/2018OpenCollect samples between June 1 and September 30.
DIST-A DISTRIBUTION SYSTEMASTAGE 2 DBP4  Quarterly01/01/2020OpenSample in Feb, May Aug, and Nov
EP-C EP FOR ASR WELL 1AARSENIC1  9 Years01/01/2014OpenSchedule reflects monitoring reduction granted.
EP-C EP FOR ASR WELL 1AIOC1  9 Years01/01/2002OpenSchedule Reflects Monitoring Reduction Granted
EP-C EP FOR ASR WELL 1ANITRATE1  Yearly01/01/2002Open
EP-C EP FOR ASR WELL 1ANITRITE1  9 Years01/01/2002OpenSchedule Reflects Monitoring Reduction Granted
EP-C EP FOR ASR WELL 1ARAD - GROSS ALPHA1  9 Years01/01/2008OpenSchedule Reflects Monitoring Reduction Granted
EP-C EP FOR ASR WELL 1ARAD - RADIUM 226/2281  9 Years01/01/2008OpenSchedule Reflects Monitoring Reduction Granted
EP-C EP FOR ASR WELL 1ARAD - URANIUM1  9 Years01/01/2008OpenSchedule Reflects Monitoring Reduction Granted
EP-C EP FOR ASR WELL 1ASOC2  3 Years01/01/2002OpenTwo consecutive quarterly samples.
EP-C EP FOR ASR WELL 1AVOLATILE ORGANICS1  3 Years01/01/2002Open
EP-D EP FOR WELL #2AARSENIC1  9 Years01/01/2014OpenSchedule reflects monitoring reduction granted.
EP-D EP FOR WELL #2AIOC1  9 Years01/01/2002OpenSchedule Reflects Monitoring Reduction Granted
EP-D EP FOR WELL #2ANITRATE1  Yearly01/01/2006Open
EP-D EP FOR WELL #2ANITRITE1  9 Years01/01/2002OpenSchedule Reflects Monitoring Reduction Granted
EP-D EP FOR WELL #2ARAD - GROSS ALPHA1  9 Years01/01/2008OpenSchedule Reflects Monitoring Reduction Granted
EP-D EP FOR WELL #2ARAD - RADIUM 226/2281  9 Years01/01/2008OpenSchedule Reflects Monitoring Reduction Granted
EP-D EP FOR WELL #2ARAD - URANIUM1  9 Years01/01/2020Open
EP-D EP FOR WELL #2ASOC2  3 Years01/01/2005OpenTwo consecutive quarterly samples.
EP-D EP FOR WELL #2AVOLATILE ORGANICS1  3 Years01/01/2005Open
EP-H EP FOR ASR WELL 2AARSENIC1  9 Years01/01/2014OpenSchedule reflects monitoring reduction granted.
EP-H EP FOR ASR WELL 2AIOC1  9 Years01/01/2002OpenSchedule Reflects Monitoring Reduction Granted
EP-H EP FOR ASR WELL 2ANITRATE1  Yearly01/01/2006Open
EP-H EP FOR ASR WELL 2ANITRITE1  9 Years01/01/2002OpenSchedule Reflects Monitoring Reduction Granted
EP-H EP FOR ASR WELL 2ARAD - GROSS ALPHA1  6 Years01/01/2020Open
EP-H EP FOR ASR WELL 2ARAD - RADIUM 226/2281  9 Years01/01/2008OpenSchedule Reflects Monitoring Reduction Granted
EP-H EP FOR ASR WELL 2ARAD - URANIUM1  6 Years01/01/2023Open
EP-H EP FOR ASR WELL 2ASOC2  3 Years01/01/2017OpenCollect two consecutive quarterly samples.
EP-H EP FOR ASR WELL 2AVOLATILE ORGANICS1  3 Years01/01/2005Open
Expired Schedules
DIST-ADISTRIBUTION SYSTEMAHAA5 & TTHM8  Quarterly01/01/200203/31/2005Schedule Reflects 4 RT Samples Per WTP Per Quarter
DIST-ADISTRIBUTION SYSTEMAHAA5 & TTHM4  Quarterly04/01/200509/30/2005Sched Reflects 4/QT for EP-A,B,F,G - Take 6/QT for EP-C,D When Used.
DIST-ADISTRIBUTION SYSTEMAHAA5 & TTHM2  Quarterly07/01/201003/31/2012Sched Reflects 2/QT for EP-A,B - Take 5/QT for EP-C,D,H When Used.
DIST-ADISTRIBUTION SYSTEMAHAA5 & TTHM3  Quarterly10/01/200506/30/2010Sched Reflects 3/QT for EP-A,B,F - Take 6/QT for EP-C,D,G When Used.
DIST-ADISTRIBUTION SYSTEMALEAD & COPPER100  6 Months01/01/200206/30/2016Schedule Reflects PWB Joint Monitoring Plan
DIST-ADISTRIBUTION SYSTEMALEAD & COPPER60  6 Months07/01/201606/30/2017
DIST-ADISTRIBUTION SYSTEMASTAGE 2 DBP8  Quarterly04/01/201212/31/2019Sample in Feb, May, Aug & Nov
EP-CEP FOR ASR WELL 1AARSENIC1  3 Years01/01/200212/31/2013
EP-DEP FOR WELL #2AARSENIC1  3 Years01/01/200512/31/2013
EP-DEP FOR WELL #2ARAD - URANIUM1  6 Years01/01/200812/31/2019
EP-HEP FOR ASR WELL 2AARSENIC1  3 Years01/01/200512/31/2013
EP-HEP FOR ASR WELL 2ADI(2-ETHYLHEXYL) PHTHALATE 1  Quarterly04/01/201312/31/2013
EP-HEP FOR ASR WELL 2ADI(2-ETHYLHEXYL) PHTHALATE 1  Yearly01/01/201412/31/2016Sample in the 4th quarter each year
EP-HEP FOR ASR WELL 2ARAD - GROSS ALPHA1  9 Years01/01/200812/31/2019Schedule Reflects Monitoring Reduction Granted
EP-HEP FOR ASR WELL 2ARAD - URANIUM1  9 Years01/01/200812/31/2022Schedule Reflects Monitoring Reduction Granted
EP-HEP FOR ASR WELL 2ASOC2  3 Years01/01/200512/31/2016Two consecutive quarterly samples.


More information for this water system: SDWIS ID 4076
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