OHA Drinking Water Services
OR41
PWS ID: 00003 ---- ADAIR VILLAGE WATER SYSTEM

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 16 1 done 02/19/2026
DIST-A  Distribution System ASBESTOS, DIST notes9 Years 01/01/2020 - 12/31/2028 1,022 1 incomplete11/26/2019
DIST-A  Distribution System LEAD & COPPER notes3 Years01/01/2028 - 12/31/2028   10 09/29/2025
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  Distribution System STAGE 2 DBP notesQuarterly01/01/2026 - 03/31/2026 16 1 done 02/19/2026
EP-A  EP FOR WILLAMETTE RIVER ARSENIC notes9 Years 01/01/2020 - 12/31/2028 1,022 1 incomplete11/02/2017
EP-A  EP FOR WILLAMETTE RIVER IOC notes9 Years 01/01/2020 - 12/31/2028 1,022 1 incomplete11/02/2017
EP-A  EP FOR WILLAMETTE RIVER NITRATE  Yearly 01/01/2026 - 12/31/2026 291 1 incomplete12/02/2025
EP-A  EP FOR WILLAMETTE RIVER NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,022 1 incomplete11/02/2017
EP-A  EP FOR WILLAMETTE RIVER RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,213 1 incomplete11/02/2017
EP-A  EP FOR WILLAMETTE RIVER RAD - RADIUM 226/228notes9 Years 01/01/2026 - 12/31/2034 3,213 1 incomplete11/02/2017
EP-A  EP FOR WILLAMETTE RIVER RAD - URANIUM notes9 Years 01/01/2026 - 12/31/2034 3,213 1 incomplete11/02/2017
EP-A  EP FOR WILLAMETTE RIVER SOC  3 Years 01/01/2026 - 12/31/2028 1,022 1 incomplete12/02/2025
EP-A  EP FOR WILLAMETTE RIVER VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 291 1 incomplete12/02/2025

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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  Quarterly01/01/200612/31/20061
CH-A  COMMON HEADER FOR WTP-ATOC & ALKALINITY  Quarterly01/01/201012/31/20141Raw TOC required quarterly to maintain DBP reduction.
DIST-A  Distribution SystemHAA5 & TTHM  Quarterly01/01/200412/31/20061Schedule Reflects 1 RT Sample Per QT Per WTP
DIST-A  Distribution SystemHAA5 & TTHM  Yearly01/01/200709/30/20131Sample between June 1 and Sept. 30. Monitoring reduction granted.
EP-A  EP FOR WILLAMETTE RIVERARSENIC  Yearly01/01/200212/31/20091
EP-A  EP FOR WILLAMETTE RIVERPFAS  Quarterly01/01/202312/31/20231
SRC-AA  WILLAMETTE RIVERCYANOTOXINS  2 Weeks07/15/201801/24/20191
WTP-A  TP FOR WILLAMETTE RIVERTOTAL ORGANIC CARBON  Monthly01/01/200412/31/20051Post Filtration TOC
WTP-A  TP FOR WILLAMETTE RIVERTOTAL ORGANIC CARBON  Quarterly01/01/200612/31/20061

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More information for this water system: SDWIS ID 3937
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