OHA Drinking Water Services
OR41
PWS ID: 00548 ---- CLARKS BRANCH WATER ASSOC
System Information     Schedule Counts
Status:  Active
System Type:  Community
Population Served:  140
 Active:  14
Inactive:  0
Expired:  7  Show Expired

Routine Sampling Schedules For Chemicals
Facility
ID
Name Status Test Group Samples
Required
   Sampling
Interval
Start End    Notes
CH-A COMMON HEADER FOR WTP-AATOC & ALKALINITY1  Quarterly04/01/2011OpenRaw water TOC only required for reduction in DBP monitoring
DIST-A DISTRIBUTION SYSTEMALEAD & COPPER10  6 Months01/01/2026Open
DIST-A DISTRIBUTION SYSTEMASTAGE 2 DBP1  Quarterly10/01/2014OpenSample in Nov, Feb, May and Aug
EP-A EP FOR SOUTH UMPQUA RIVERAARSENIC1  9 Years01/01/2011Open
EP-A EP FOR SOUTH UMPQUA RIVERAIOC1  9 Years01/01/2002OpenSchedule Reflects Monitoring Reduction Granted
EP-A EP FOR SOUTH UMPQUA RIVERANITRATE1  Yearly01/01/2002Open
EP-A EP FOR SOUTH UMPQUA RIVERANITRITE1  9 Years01/01/2002OpenSchedule Reflects Monitoring Reduction Granted
EP-A EP FOR SOUTH UMPQUA RIVERAPFAS1  Quarterly01/01/2023OpenInitial monitoring - 4 quarters only
EP-A EP FOR SOUTH UMPQUA RIVERARAD - GROSS ALPHA1  6 Years01/01/2020Open
EP-A EP FOR SOUTH UMPQUA RIVERARAD - RADIUM 226/2281  9 Years01/01/2011Open
EP-A EP FOR SOUTH UMPQUA RIVERARAD - URANIUM1  9 Years01/01/2011Open
EP-A EP FOR SOUTH UMPQUA RIVERASOC1  3 Years01/01/2002Open
EP-A EP FOR SOUTH UMPQUA RIVERAVOLATILE ORGANICS1  Yearly01/01/2002OpenSample annually in third quarter.
SRC-AA SOUTH UMPQUA RIVERACYANOTOXINS1  2 Weeks07/15/2018Open