OHA Drinking Water Services
OR41
PWS ID: 00968 ---- YAMHILL, 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 0 1 incomplete12/17/2025
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER  6 Months 01/01/2026 - 06/30/2026 91 20 incomplete09/19/2025
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 275 1 incomplete11/05/2025
  Seasonal sampling period:   11/01   thru   11/30
EP-A  EP FOR TURNER CREEK ARSENIC  9 Years01/01/2020 - 12/31/2028 1,006 1 done 11/16/2022
EP-A  EP FOR TURNER CREEK IOC notes9 Years01/01/2020 - 12/31/2028 1,006 1 done 11/16/2022
EP-A  EP FOR TURNER CREEK NITRATE  Yearly 01/01/2026 - 12/31/2026 275 1 incomplete09/03/2025
EP-A  EP FOR TURNER CREEK NITRITE notes9 Years01/01/2020 - 12/31/2028 1,006 1 done 11/16/2022
EP-A  EP FOR TURNER CREEK PFAS notesQuarterly 01/01/2026 - 03/31/2026 0 1 incomplete09/04/2025
  Initial monitoring - 4 quarters only
EP-A  EP FOR TURNER CREEK RAD - GROSS ALPHA  9 Years 01/01/2020 - 12/31/2028 1,006 1 incomplete04/04/2018
EP-A  EP FOR TURNER CREEK RAD - RADIUM 226/228 9 Years 01/01/2020 - 12/31/2028 1,006 1 incomplete04/04/2018
EP-A  EP FOR TURNER CREEK RAD - URANIUM  9 Years 01/01/2020 - 12/31/2028 1,006 1 incomplete04/04/2018
EP-A  EP FOR TURNER CREEK SOC  3 Years 01/01/2026 - 12/31/2028 1,006 1 incomplete12/18/2023
EP-A  EP FOR TURNER CREEK VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 275 1 incomplete12/17/2025
WTP-A  TP FOR TURNER CREEKTOTAL ORGANIC CARBON Quarterly01/01/2026 - 03/31/2026 0 1 incomplete 12/17/2025

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