OHA Drinking Water Services
OR41
PWS ID: 00613 ---- PENDLETON, 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-ATOTAL ORGANIC CARBONnotesQuarterly04/01/2024 - 06/30/2024 68 1 incomplete 02/14/2024
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2026 - 12/31/2026   30 07/18/2023
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesQuarterly04/01/2024 - 06/30/2024 68 2 incomplete02/14/2024
EP-A  EP FOR WELL #7 AND WTP ARSENIC notes9 Years01/01/2017 - 12/31/2025 617 1 done 07/08/2020
EP-A  EP FOR WELL #7 AND WTP IOC notes9 Years01/01/2020 - 12/31/2028 1,713 1 done 07/08/2020
EP-A  EP FOR WELL #7 AND WTP NITRATE  Yearly01/01/2024 - 12/31/2024 252 1 incomplete08/07/2023
EP-A  EP FOR WELL #7 AND WTP NITRITE notes9 Years01/01/2020 - 12/31/2028 1,713 1 done 07/08/2020
EP-A  EP FOR WELL #7 AND WTP RAD - GROSS ALPHA  9 Years01/01/2017 - 12/31/2025 617 1 done 07/26/2017
EP-A  EP FOR WELL #7 AND WTP RAD - RADIUM 226/228notes9 Years01/01/2023 - 12/31/2031 2,808 1 incomplete07/13/2015
EP-A  EP FOR WELL #7 AND WTP RAD - URANIUM  9 Years01/01/2017 - 12/31/2025 617 1 done 07/26/2017
EP-A  EP FOR WELL #7 AND WTP SOC notes3 Years01/01/2023 - 12/31/2025 617 2 incomplete08/01/2023
EP-A  EP FOR WELL #7 AND WTP VOLATILE ORGANICS  Yearly01/01/2024 - 12/31/2024 252 1 incomplete08/01/2023
EP-B  EP FOR WELL #1 (BYERS) NITRATE notesYearly01/01/2024 - 12/31/2024 252 1 incomplete08/07/2023
EP-C  EP FOR WELL #2 (ROUNDUP) ARSENIC notes9 Years01/01/2023 - 12/31/2031 2,808 1 incomplete07/08/2020
EP-C  EP FOR WELL #2 (ROUNDUP) IOC notes9 Years01/01/2020 - 12/31/2028 1,713 1 done 07/08/2020
EP-C  EP FOR WELL #2 (ROUNDUP) NITRATE  Yearly01/01/2024 - 12/31/2024 252 1 incomplete08/07/2023
EP-C  EP FOR WELL #2 (ROUNDUP) NITRITE notes9 Years01/01/2020 - 12/31/2028 1,713 1 done 07/08/2020
EP-C  EP FOR WELL #2 (ROUNDUP) RAD - GROSS ALPHA notes9 Years01/01/2023 - 12/31/2031 2,808 1 incomplete10/26/2020
EP-C  EP FOR WELL #2 (ROUNDUP) RAD - RADIUM 226/228 9 Years01/01/2017 - 12/31/2025 617 1 done 10/26/2020
EP-C  EP FOR WELL #2 (ROUNDUP) RAD - URANIUM  6 Years01/01/2020 - 12/31/2025 617 1 done 08/31/2020
EP-C  EP FOR WELL #2 (ROUNDUP) SOC notes3 Years01/01/2023 - 12/31/2025 617 2 incomplete08/01/2023
EP-C  EP FOR WELL #2 (ROUNDUP) VOLATILE ORGANICS notes3 Years01/01/2023 - 12/31/2025 617 1 done 08/29/2023
EP-D  EP FOR WELL #3 (SW 21 ST) ARSENIC  9 Years01/01/2017 - 12/31/2025 617 1 done 07/08/2020
EP-D  EP FOR WELL #3 (SW 21 ST) IOC notes9 Years01/01/2020 - 12/31/2028 1,713 1 done 07/08/2020
EP-D  EP FOR WELL #3 (SW 21 ST) NITRATE  Yearly01/01/2024 - 12/31/2024 252 1 incomplete08/07/2023
EP-D  EP FOR WELL #3 (SW 21 ST) NITRITE notes9 Years01/01/2020 - 12/31/2028 1,713 1 done 07/08/2020
EP-D  EP FOR WELL #3 (SW 21 ST) RAD - GROSS ALPHA notes9 Years01/01/2017 - 12/31/2025 617 1 done 10/26/2020
EP-D  EP FOR WELL #3 (SW 21 ST) RAD - RADIUM 226/228 9 Years01/01/2017 - 12/31/2025 617 1 done 10/26/2020
EP-D  EP FOR WELL #3 (SW 21 ST) RAD - URANIUM  6 Years01/01/2020 - 12/31/2025 617 1 done 08/31/2020
EP-D  EP FOR WELL #3 (SW 21 ST) SOC notes3 Years01/01/2023 - 12/31/2025 617 2 incomplete08/01/2023
EP-D  EP FOR WELL #3 (SW 21 ST) VOLATILE ORGANICS notes3 Years01/01/2023 - 12/31/2025 617 1 done 08/29/2023
EP-E  EP FOR WELL #4 (HOSPITAL) NITRATE notesYearly01/01/2024 - 12/31/2024 252 1 incomplete08/07/2023
EP-F  EP FOR WELL #5 (STILLMAN) NITRATE notesYearly01/01/2024 - 12/31/2024 252 1 incomplete08/07/2023
EP-G  EP FOR WELL #8 (PRISON) NITRATE notesYearly01/01/2024 - 12/31/2024 252 1 incomplete08/07/2023
EP-H  EP FOR WELL #14 NITRATE notesYearly01/01/2024 - 12/31/2024 252 1 incomplete08/07/2023
SRC-AM  UMATILLA RIVER CYANOTOXINS  2 Weeks04/21/2024 - 05/04/2024 11 1 incomplete10/30/2023
 Seasonal sampling period:  05/01  thru  10/31

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