OHA Drinking Water Services
OR41
PWS ID: 00847 ---- SUTHERLIN, CITY OF

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  Quarterly 01/01/2026 - 03/31/2026 61 1 incomplete07/01/2025
DIST-A  Distribution System ASBESTOS, DIST notes9 Years 01/01/2020 - 12/31/2028 1,067 1 incomplete06/13/2018
DIST-A  Distribution System LEAD & COPPER notes3 Years01/01/2028 - 12/31/2028   20 07/22/2025
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  Distribution System STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 336 2 incomplete06/17/2025
 Seasonal sampling period:  06/01  thru  06/30
EP-A  EP FOR CALAPOOYA/NONPARIEL WTP ARSENIC  9 Years 01/01/2020 - 12/31/2028 1,067 1 incomplete08/08/2017
EP-A  EP FOR CALAPOOYA/NONPARIEL WTP IOC notes9 Years 01/01/2020 - 12/31/2028 1,067 1 incomplete08/08/2017
EP-A  EP FOR CALAPOOYA/NONPARIEL WTP NITRATE  Yearly 01/01/2026 - 12/31/2026 336 1 incomplete08/12/2025
EP-A  EP FOR CALAPOOYA/NONPARIEL WTP NITRITE notes9 Years01/01/2020 - 12/31/2028 1,067 1 done 12/17/2020
EP-A  EP FOR CALAPOOYA/NONPARIEL WTP RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,258 1 incomplete08/17/2021
EP-A  EP FOR CALAPOOYA/NONPARIEL WTP RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,258 1 incomplete08/17/2021
EP-A  EP FOR CALAPOOYA/NONPARIEL WTP RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,258 1 incomplete08/17/2021
EP-A  EP FOR CALAPOOYA/NONPARIEL WTP SOC notes3 Years 01/01/2026 - 12/31/2028 1,067 2 incomplete07/16/2024
EP-A  EP FOR CALAPOOYA/NONPARIEL WTP VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 336 1 incomplete08/12/2025
EP-B  EP FOR COOPER CREEK WTPDI(2-ETHYLHEXYL) PHTHALATE notesYearly01/01/2026 - 12/31/2026 336 1 incomplete 07/16/2024
 Seasonal sampling period:  01/01  thru  09/30
EP-B  EP FOR COOPER CREEK WTP ARSENIC  9 Years 01/01/2020 - 12/31/2028 1,067 1 incomplete08/08/2017
EP-B  EP FOR COOPER CREEK WTP IOC notes9 Years 01/01/2020 - 12/31/2028 1,067 1 incomplete08/08/2017
EP-B  EP FOR COOPER CREEK WTP NITRATE  Yearly 01/01/2026 - 12/31/2026 336 1 incomplete08/12/2025
EP-B  EP FOR COOPER CREEK WTP NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,067 1 incomplete08/08/2017
EP-B  EP FOR COOPER CREEK WTP RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,258 1 incomplete05/24/2023
EP-B  EP FOR COOPER CREEK WTP RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,258 1 incomplete05/24/2023
EP-B  EP FOR COOPER CREEK WTP RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,258 1 incomplete05/24/2023
EP-B  EP FOR COOPER CREEK WTP SOC notes3 Years 01/01/2026 - 12/31/2028 1,067 2 incomplete07/16/2024
EP-B  EP FOR COOPER CREEK WTP VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 336 1 incomplete08/12/2025
WTP-A  TP FOR CALAPOOYA/NONPARIEL WTPTOTAL ORGANIC CARBON Quarterly01/01/2026 - 03/31/2026 61 1 incomplete 07/01/2025

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
CH-A  COMMON HEADER FOR WTP-ATOC & ALKALINITY  Monthly01/01/200412/31/20051Raw and filtered TOC and alkalinity
CH-A  COMMON HEADER FOR WTP-ATOC & ALKALINITY  Quarterly01/01/200605/20/20091
CH-B  COMMON HEADER FOR WTP-BTOTAL ORGANIC CARBON  Monthly01/01/200412/31/20051Raw Water TOC Only Required for Reduction in DBP Monitoring
CH-B  COMMON HEADER FOR WTP-BTOTAL ORGANIC CARBON  Quarterly01/01/200601/31/20111
DIST-A  Distribution SystemHAA5 & TTHM  Quarterly01/01/200412/31/20052Schedule Reflects 1 RT Sample Per QT Per WTP
DIST-A  Distribution SystemHAA5 & TTHM  Yearly01/01/200612/31/20102Sample between June 1 and Sept. 30.
DIST-A  Distribution SystemHAA5 & TTHM  Yearly01/01/201112/31/20141Sample Between June 1 and September 30
DIST-A  Distribution SystemLEAD & COPPER  Yearly01/01/200212/31/200220Sample Between June 1st and Sept 30th
EP-A  EP FOR CALAPOOYA/NONPARIEL WTPARSENIC  Yearly01/01/200212/31/20081
EP-B  EP FOR COOPER CREEK WTPARSENIC  Yearly01/01/200212/31/20081
EP-B  EP FOR COOPER CREEK WTPDI(2-ETHYLHEXYL) PHTHALATE   Quarterly01/01/202109/30/20211
EP-B  EP FOR COOPER CREEK WTPRAD - URANIUM  Quarterly01/01/200809/30/20141
SRC-AA  CALAPOOYA CREEK NON-PARIELCYANOTOXINS  2 Weeks07/15/201801/24/20191
SRC-BA  COOPER CREEKCYANOTOXINS  2 Weeks07/15/201801/24/20191
WTP-A  TP FOR CALAPOOYA/NONPARIEL WTPTOTAL ORGANIC CARBON  Monthly01/01/200401/31/20111Post Filtration TOC

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More information for this water system: SDWIS ID 3914
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