OHA Drinking Water Services
OR41
PWS ID: 00063 ---- WICKIUP WATER DISTRICT

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-ATOTAL ORGANIC CARBON Quarterly01/01/2026 - 03/31/2026 4 1 incomplete 05/20/2020
CH-B  COMMON HEADER FOR WTP-BTOTAL ORGANIC CARBON Quarterly01/01/2026 - 03/31/2026 4 1 incomplete 05/20/2020
DIST-A  Distribution System ASBESTOS, DIST notes9 Years01/01/2020 - 12/31/2028 1,010 1 done 05/20/2020
DIST-A  Distribution System LEAD & COPPER notes3 Years01/01/2026 - 12/31/2026   10incomplete09/21/2023
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  Distribution System STAGE 2 DBP  Quarterly 01/01/2026 - 03/31/2026 4 1 incomplete12/29/2025
EP-A  EP FOR BIG FAT/LITTLE FAT BUCK CREEKS ARSENIC notes9 Years01/01/2020 - 12/31/2028 1,010 1 done 05/20/2020
EP-A  EP FOR BIG FAT/LITTLE FAT BUCK CREEKS IOC notes9 Years01/01/2020 - 12/31/2028 1,010 1 done 05/20/2020
EP-A  EP FOR BIG FAT/LITTLE FAT BUCK CREEKS NITRATE  Yearly 01/01/2026 - 12/31/2026 279 1 incomplete06/17/2025
EP-A  EP FOR BIG FAT/LITTLE FAT BUCK CREEKS NITRITE notes9 Years01/01/2020 - 12/31/2028 1,010 1 done 05/20/2020
EP-A  EP FOR BIG FAT/LITTLE FAT BUCK CREEKS PFAS notesQuarterly 01/01/2026 - 03/31/2026 4 1 incomplete
  Initial monitoring - 4 quarters only
EP-A  EP FOR BIG FAT/LITTLE FAT BUCK CREEKS RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,201 1 incomplete05/20/2020
EP-A  EP FOR BIG FAT/LITTLE FAT BUCK CREEKS RAD - RADIUM 226/228notes9 Years01/01/2023 - 12/31/2031 2,105 1 done 05/13/2025
EP-A  EP FOR BIG FAT/LITTLE FAT BUCK CREEKS RAD - URANIUM notes9 Years 01/01/2026 - 12/31/2034 3,201 1 incomplete05/20/2020
EP-A  EP FOR BIG FAT/LITTLE FAT BUCK CREEKS SOC  3 Years 01/01/2026 - 12/31/2028 1,010 1 incomplete06/17/2025
EP-A  EP FOR BIG FAT/LITTLE FAT BUCK CREEKS VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 279 1 incomplete05/13/2025
EP-B  EP for LITTLE CREEK ARSENIC notes9 Years01/01/2020 - 12/31/2028 1,010 1 done 05/27/2020
EP-B  EP for LITTLE CREEK IOC notes9 Years01/01/2020 - 12/31/2028 1,010 1 done 05/27/2020
EP-B  EP for LITTLE CREEK NITRATE  Yearly 01/01/2026 - 12/31/2026 279 1 incomplete06/17/2025
EP-B  EP for LITTLE CREEK NITRITE notes9 Years01/01/2020 - 12/31/2028 1,010 1 done 05/27/2020
EP-B  EP for LITTLE CREEK PFAS notesQuarterly 01/01/2026 - 03/31/2026 4 1 incomplete
  Initial monitoring - 4 quarters only
EP-B  EP for LITTLE CREEK RAD - GROSS ALPHA  6 Years 01/01/2026 - 12/31/2031 2,105 1 incomplete05/27/2020
EP-B  EP for LITTLE CREEK RAD - RADIUM 226/228notes9 Years01/01/2023 - 12/31/2031 2,105 1 done 05/13/2025
EP-B  EP for LITTLE CREEK RAD - URANIUM notes9 Years 01/01/2026 - 12/31/2034 3,201 1 incomplete05/27/2020
EP-B  EP for LITTLE CREEK SOC  3 Years 01/01/2026 - 12/31/2028 1,010 1 incomplete06/17/2025
EP-B  EP for LITTLE CREEK VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 279 1 incomplete06/17/2025

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
CH-A  COMMON HEADER FOR WTP-ATOTAL ORGANIC CARBON  Monthly01/01/200412/31/20081Raw Water TOC Only Required for Reduction in DBP Monitoring
CH-A  COMMON HEADER FOR WTP-ATOTAL ORGANIC CARBON  Monthly10/01/201303/31/20151Monthly Raw Water TOC Sampling Required Only if Seeking DBP Reduction to Annual Schedule.
CH-B  COMMON HEADER FOR WTP-BTOTAL ORGANIC CARBON  Monthly10/01/201303/31/20151Monthly Raw Water TOC Sampling Required Only if Seeking DBP Reduction to Annual Schedule.
DIST-A  Distribution SystemHAA5 & TTHM  Quarterly01/01/200412/31/20052Schedule Reflects 1 RT Sample Per QT Per WTP
DIST-A  Distribution SystemHAA5 & TTHM  Quarterly01/01/201012/31/20102RAA less than 1/2 the MCL in 2010
DIST-A  Distribution SystemHAA5 & TTHM  Yearly01/01/200612/31/20092Sample between June 1 and Sept. 30.
DIST-A  Distribution SystemHAA5 & TTHM  Yearly01/01/201109/30/20132Sample between June 1st and Sept 30th
DIST-A  Distribution SystemLEAD & COPPER  3 Years01/01/200212/31/200710Sample Between June 1st and Sept 30th
DIST-A  Distribution SystemLEAD & COPPER  3 Years01/01/201112/31/201310Sample between June 1st and Sept 30th
DIST-A  Distribution SystemLEAD & COPPER  6 Months01/01/200912/31/200920Two 6-month rounds of tap sampling to demonstrate CCTX.
DIST-A  Distribution SystemLEAD & COPPER  6 Months01/01/201412/31/201420Schedule Reflects Increased Monitoring
DIST-A  Distribution SystemSTAGE 2 DBP  Quarterly10/01/201312/31/20141Sample in Nov, Feb, May, and Aug
DIST-A  Distribution SystemSTAGE 2 DBP  Yearly01/01/201512/31/20241Sample in November at SM-1 (93056 Keller Rd)
EP-A  EP FOR BIG FAT/LITTLE FAT BUCK CREEKSARSENIC  Yearly01/01/200212/31/20101
EP-A  EP FOR BIG FAT/LITTLE FAT BUCK CREEKSRAD - GROSS ALPHA  6 Years01/01/201412/31/20251
EP-A  EP FOR BIG FAT/LITTLE FAT BUCK CREEKSRAD - GROSS ALPHA  9 Years01/01/200812/31/20131Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR BIG FAT/LITTLE FAT BUCK CREEKSRAD - RADIUM 226/228  6 Years01/01/200812/31/20131
EP-B  EP for LITTLE CREEKARSENIC  Yearly01/01/200212/31/20101
EP-B  EP for LITTLE CREEKRAD - GROSS ALPHA  9 Years01/01/200812/31/20131Schedule Reflects Monitoring Reduction Granted
EP-B  EP for LITTLE CREEKRAD - RADIUM 226/228  6 Years01/01/200812/31/20131
WTP-B  TP FOR LITTLE CREEKTOTAL ORGANIC CARBON  Monthly01/01/200412/31/20081Post Filtration TOC

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