OHA Drinking Water Services
OR41
PWS ID: 91556 ---- CASCADE GORGE PROPERTIES
System Information     Schedule Counts
Status:  Active
System Type:  Community
Population Served:  33
 Active:  12     Show Only Active
Inactive:  1  Show Inactive
Expired:  11
                     Show All

Routine Sampling Schedules For Chemicals
Facility
ID
Name Status Test Group Samples
Required
   Sampling
Interval
Start End    Notes
DIST-A DISTRIBUTION SYSTEMALEAD & COPPER5  6 Months01/01/2025Open
DIST-A DISTRIBUTION SYSTEMASTAGE 2 DBP1  Quarterly01/01/2024OpenCollect dual sample set at RV #5
EP-A EP FOR WELL AND CREEKAARSENIC1  Yearly01/01/2026OpenSchedule Reflects Monitoring Reduction Granted.
EP-A EP FOR WELL AND CREEKAIOC1  Yearly01/01/2022Open
EP-A EP FOR WELL AND CREEKANITRATE1  Yearly01/01/2008Open
EP-A EP FOR WELL AND CREEKANITRITE1  Yearly01/01/2022Open
EP-A EP FOR WELL AND CREEKAPFAS1  Quarterly01/01/2023OpenInitial monitoring - 4 quarters only
EP-A EP FOR WELL AND CREEKARAD - GROSS ALPHA1  6 Years01/01/2026Open
EP-A EP FOR WELL AND CREEKARAD - RADIUM 226/2281  9 Years01/01/2026Open
EP-A EP FOR WELL AND CREEKARAD - URANIUM1  9 Years01/01/2026Open
EP-A EP FOR WELL AND CREEKASOC1  3 Years01/01/2026OpenSchedule Reflects Monitoring Reduction Granted.
EP-A EP FOR WELL AND CREEKAVOLATILE ORGANICS1  3 Years01/01/2026OpenSchedule Reflects Monitoring Reduction Granted.
Expired Schedules
DIST-ADISTRIBUTION SYSTEMALEAD & COPPER5  6 Months07/01/202212/31/2024
DIST-ADISTRIBUTION SYSTEMASTAGE 2 DBP2  Yearly01/01/202212/31/2023IDSE study. Collect dual sample sets at expected HIGH TTHM and HIGH HAA5 locations
EP-AEP FOR WELL AND CREEKAARSENIC1  Quarterly01/01/202112/31/2021sample one time for Arsenic
EP-AEP FOR WELL AND CREEKAARSENIC1  Quarterly10/01/202203/31/2025
EP-AEP FOR WELL AND CREEKAARSENIC1  Yearly01/01/202209/30/2022
EP-AEP FOR WELL AND CREEKARAD - GROSS ALPHA1  Quarterly07/01/202212/31/2023
EP-AEP FOR WELL AND CREEKARAD - RADIUM 226/2281  Quarterly07/01/202203/31/2023
EP-AEP FOR WELL AND CREEKARAD - URANIUM1  Quarterly07/01/202203/31/2023
EP-AEP FOR WELL AND CREEKASOC1  Yearly01/01/202212/31/2025
EP-AEP FOR WELL AND CREEKAVOLATILE ORGANICS1  Quarterly07/01/202203/31/2025
EP-XXEP FOR HOLE IN THE WALL CREEKINITRATE1  Yearly01/01/200207/01/2008