OHA Drinking Water Services
OR41
PWS ID: 00706 ---- RIDDLE, 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 notesQuarterly 04/01/2025 - 06/30/2025 44 1 incomplete02/27/2025
DIST-A  Distribution System ASBESTOS, DIST notes9 Years01/01/2020 - 12/31/2028 1,324 1 done 09/26/2022
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  Distribution System DBP2 HAA5 ONLY notesQuarterly 04/01/2025 - 06/30/2025 44 1 incomplete02/27/2025
DIST-A  Distribution System DBP2 TTHM ONLY notesQuarterly 04/01/2025 - 06/30/2025 44 1 incomplete02/27/2025
DIST-A  Distribution System LEAD & COPPER notes3 Years01/01/2025 - 12/31/2025   10incomplete07/28/2022
 Seasonal sampling period:  06/01  thru  09/30
EP-A  EP FOR COW CREEK ARSENIC notes9 Years 01/01/2020 - 12/31/2028 1,324 1 incomplete02/17/2011
EP-A  EP FOR COW CREEK IOC notes9 Years 01/01/2020 - 12/31/2028 1,324 1 incomplete02/17/2011
EP-A  EP FOR COW CREEK NITRATE  Yearly01/01/2025 - 12/31/2025 228 1 done 01/29/2025
EP-A  EP FOR COW CREEK NITRITE notes9 Years01/01/2020 - 12/31/2028 1,324 1 done 09/21/2022
EP-A  EP FOR COW CREEK RAD - GROSS ALPHA notes9 Years01/01/2017 - 12/31/2025 228 1 done 01/29/2025
EP-A  EP FOR COW CREEK RAD - RADIUM 226/228 9 Years01/01/2020 - 12/31/2028 1,324 1 done 01/31/2025
EP-A  EP FOR COW CREEK RAD - URANIUM  9 Years 01/01/2023 - 12/31/2031 2,419 1 incomplete05/18/2022
EP-A  EP FOR COW CREEK SOC  3 Years01/01/2023 - 12/31/2025 228 1 done 01/29/2025
EP-A  EP FOR COW CREEK VOLATILE ORGANICS  Yearly01/01/2025 - 12/31/2025 228 1 done 02/27/2025
WTP-A  TP FOR COW CREEKTOTAL ORGANIC CARBONnotesQuarterly04/01/2025 - 06/30/2025 44 1 incomplete 02/27/2025

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More information for this water system: SDWIS ID 3988

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