OHA Drinking Water Services
OR41
PWS ID: 00548 ---- CLARKS BRANCH WATER ASSOC

See also: Coliform Schedules  ::  LT2 Schedules

Chemical Sampling Schedule Status
Facility
ID		 Analyte or Group   Sampling
Interval		 Monitoring Period Days
Until
End		 Samples
Required		 Samples
Received		 Last
Sample
Date
Start End
CH-A  COMMON HEADER FOR WTP-A TOC & ALKALINITY notesQuarterly 01/01/2025 - 03/31/2025 56 1 incomplete11/01/2024
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2027 - 12/31/2027   5 07/17/2024
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesQuarterly 01/01/2025 - 03/31/2025 56 1 incomplete11/01/2024
EP-A  EP FOR SOUTH UMPQUA RIVER ARSENIC  9 Years 01/01/2020 - 12/31/2028 1,427 1 incomplete08/31/2016
EP-A  EP FOR SOUTH UMPQUA RIVER IOC notes9 Years 01/01/2020 - 12/31/2028 1,427 1 incomplete08/31/2016
EP-A  EP FOR SOUTH UMPQUA RIVER NITRATE  Yearly 01/01/2025 - 12/31/2025 331 1 incomplete08/06/2024
EP-A  EP FOR SOUTH UMPQUA RIVER NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,427 1 incomplete08/31/2016
EP-A  EP FOR SOUTH UMPQUA RIVER RAD - GROSS ALPHA  6 Years01/01/2020 - 12/31/2025 331 1 done 10/04/2023
EP-A  EP FOR SOUTH UMPQUA RIVER RAD - RADIUM 226/228 9 Years 01/01/2020 - 12/31/2028 1,427 1 incomplete08/31/2016
EP-A  EP FOR SOUTH UMPQUA RIVER RAD - URANIUM  9 Years 01/01/2020 - 12/31/2028 1,427 1 incomplete08/31/2016
EP-A  EP FOR SOUTH UMPQUA RIVER SOC  3 Years01/01/2023 - 12/31/2025 331 1 done 08/03/2023
EP-A  EP FOR SOUTH UMPQUA RIVER VOLATILE ORGANICS notesYearly 01/01/2025 - 12/31/2025 331 1 incomplete07/02/2024
 Seasonal sampling period:  07/01  thru  09/30
SRC-AA  SOUTH UMPQUA RIVER CYANOTOXINS  2 Weeks-- -- -- -- --10/21/2024
 Seasonal sampling period:  05/01  thru  10/31

7  secs
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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/200409/30/20141Sample between June 1 and Sept. 30.
EP-A  EP FOR SOUTH UMPQUA RIVERARSENIC  Yearly01/01/200212/31/20081
EP-A  EP FOR SOUTH UMPQUA RIVERRAD - GROSS ALPHA  9 Years01/01/201112/31/20191
EP-A  EP FOR SOUTH UMPQUA RIVERRAD - GROSS ALPHA  Quarterly01/01/201006/30/20101
EP-A  EP FOR SOUTH UMPQUA RIVERRAD - RADIUM 226/228  Quarterly01/01/201006/30/20101
EP-A  EP FOR SOUTH UMPQUA RIVERRAD - URANIUM  Quarterly01/01/201006/30/20101

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