OHA Drinking Water Services
OR41
PWS ID: 00613 ---- PENDLETON, CITY OF
System Information     Schedule Counts
Status:  Active
System Type:  Community
Population Served:  16,996
 Active:  42
Inactive:  13  Show Inactive
Expired:  24  Show Expired
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Routine Sampling Schedules For Chemicals
Facility
ID
Name Status Test Group Samples
Required
   Sampling
Interval
Start End    Notes
DIST-A DISTRIBUTION SYSTEMALEAD & COPPER30  3 Years01/01/2002OpenSample Between June 1st and Sept 30th
DIST-A DISTRIBUTION SYSTEMASTAGE 2 DBP2  Quarterly04/01/2022OpenCollect a dual sample set at both the Airport and Cemetery boosters every calendar quarter.
EP-B EP FOR WELL #1 (BYERS)ANITRATE1  Yearly01/01/2009OpenWellfield designation, sample EP-C, D
EP-B EP FOR WELL #1 (BYERS)APFAS1  Quarterly01/01/2023OpenInitial monitoring - 4 quarters only
EP-C EP FOR WELL #2 (ROUNDUP)AARSENIC1  9 Years01/01/2014OpenSchedule Reflects Monitoring Reduction Granted
EP-C EP FOR WELL #2 (ROUNDUP)AIOC1  9 Years01/01/2002OpenSchedule Reflects Monitoring Reduction Granted
EP-C EP FOR WELL #2 (ROUNDUP)ANITRATE1  Yearly01/01/2002Open
EP-C EP FOR WELL #2 (ROUNDUP)ANITRITE1  9 Years01/01/2002OpenSchedule Reflects Monitoring Reduction Granted
EP-C EP FOR WELL #2 (ROUNDUP)APFAS1  Quarterly01/01/2023OpenInitial monitoring - 4 quarters only
EP-C EP FOR WELL #2 (ROUNDUP)ARAD - GROSS ALPHA1  9 Years01/01/2014Openschedule based on 7/15/09 results
EP-C EP FOR WELL #2 (ROUNDUP)ARAD - RADIUM 226/2281  9 Years01/01/2008Open
EP-C EP FOR WELL #2 (ROUNDUP)ARAD - URANIUM1  6 Years01/01/2008Open
EP-C EP FOR WELL #2 (ROUNDUP)ASOC2  3 Years01/01/2002Open2 Consec. QT Samples
EP-C EP FOR WELL #2 (ROUNDUP)AVOLATILE ORGANICS1  3 Years01/01/2002OpenWellfield designation, sample EP-C, D
EP-D EP FOR WELL #3 (SW 21 ST)AARSENIC1  9 Years01/01/2017Open
EP-D EP FOR WELL #3 (SW 21 ST)AIOC1  9 Years01/01/2002OpenSchedule Reflects Monitoring Reduction Granted
EP-D EP FOR WELL #3 (SW 21 ST)ANITRATE1  Yearly01/01/2022Open
EP-D EP FOR WELL #3 (SW 21 ST)ANITRITE1  9 Years01/01/2002OpenSchedule Reflects Monitoring Reduction Granted
EP-D EP FOR WELL #3 (SW 21 ST)APFAS1  Quarterly01/01/2023OpenInitial monitoring - 4 quarters only
EP-D EP FOR WELL #3 (SW 21 ST)ARAD - GROSS ALPHA1  9 Years01/01/2017OpenSchedule Reflects Monitoring Reduction Granted
EP-D EP FOR WELL #3 (SW 21 ST)ARAD - RADIUM 226/2281  9 Years01/01/2008Open
EP-D EP FOR WELL #3 (SW 21 ST)ARAD - URANIUM1  6 Years01/01/2008Open
EP-D EP FOR WELL #3 (SW 21 ST)ASOC2  3 Years01/01/2002Open2 Consec. QT Samples
EP-D EP FOR WELL #3 (SW 21 ST)AVOLATILE ORGANICS1  3 Years01/01/2002OpenWellfield designation, sample EP-C, D
EP-E EP FOR WELL #4 (HOSPITAL)ANITRATE1  Yearly01/01/2002OpenWellfield designation, sample EP-C, D
EP-E EP FOR WELL #4 (HOSPITAL)APFAS1  Quarterly01/01/2023OpenInitial monitoring - 4 quarters only
EP-F EP FOR WELL #5 (STILLMAN)ANITRATE1  Yearly01/01/2014OpenWellfield designation, sample EP-C, D
EP-F EP FOR WELL #5 (STILLMAN)APFAS1  Quarterly01/01/2023OpenInitial monitoring - 4 quarters only
EP-G EP FOR WELL #8 (PRISON)ANITRATE1  Yearly01/01/2002OpenWellfield designation, sample EP-C, D
EP-G EP FOR WELL #8 (PRISON)APFAS1  Quarterly01/01/2023OpenInitial monitoring - 4 quarters only
EP-H EP FOR WELL #14ANITRATE1  Yearly01/01/2009OpenWellfield designation, sample EP-C, D. Nitrate to be collected at end of recovery period. BG
EP-H EP FOR WELL #14APFAS1  Quarterly01/01/2023OpenInitial monitoring - 4 quarters only
EP-I EP FOR WELL 11BAARSENIC1  3 Years01/01/2026Open
EP-I EP FOR WELL 11BAIOC1  3 Years01/01/2026Open
EP-I EP FOR WELL 11BANITRATE1  Yearly01/01/2026Open
EP-I EP FOR WELL 11BANITRITE1  3 Years01/01/2026Open
EP-I EP FOR WELL 11BAPFAS1  Quarterly01/01/2023OpenInitial monitoring - 4 quarters only
EP-I EP FOR WELL 11BARAD - GROSS ALPHA1  9 Years01/01/2026Open
EP-I EP FOR WELL 11BARAD - RADIUM 226/2281  6 Years01/01/2026Open
EP-I EP FOR WELL 11BARAD - URANIUM1  9 Years01/01/2026Open
EP-I EP FOR WELL 11BASOC2  3 Years01/01/2026OpenCollect one sample each in two consecutive calendar quarters every third year.
EP-I EP FOR WELL 11BAVOLATILE ORGANICS1  3 Years01/01/2026Open