OHA Drinking Water Services
OR41
PWS ID: 00617 ---- RIETH WATER DISTRICT

See also: Coliform 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
DIST-A  Distribution System LEAD & COPPER notes3 Years01/01/2027 - 12/31/2027   5 07/10/2024
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP for WELL #1 (MILL YARD) ARSENIC notes9 Years 01/01/2020 - 12/31/2028 1,020 1 incomplete04/29/2019
EP-A  EP for WELL #1 (MILL YARD) IOC notes9 Years 01/01/2020 - 12/31/2028 1,020 1 incomplete04/29/2019
EP-A  EP for WELL #1 (MILL YARD) NITRATE  Yearly 01/01/2026 - 12/31/2026 289 1 incomplete12/08/2025
EP-A  EP for WELL #1 (MILL YARD) NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,020 1 incomplete04/29/2019
EP-A  EP for WELL #1 (MILL YARD) PFAS notes6 Months 01/01/2026 - 06/30/2026 105 1 incomplete11/16/2021
  Initial monitoring - 2 samples only
EP-A  EP for WELL #1 (MILL YARD) RAD - GROSS ALPHA  9 Years01/01/2029 -   1 future 03/14/2022
EP-A  EP for WELL #1 (MILL YARD) RAD - RADIUM 226/228 9 Years01/01/2029 -   1 future 03/14/2022
EP-A  EP for WELL #1 (MILL YARD) RAD - URANIUM  9 Years01/01/2029 -   1 future 03/14/2022
EP-A  EP for WELL #1 (MILL YARD) SOC  3 Years 01/01/2026 - 12/31/2028 1,020 1 incomplete12/08/2025
EP-A  EP for WELL #1 (MILL YARD) VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,020 1 incomplete12/08/2025

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
EP-A  EP for WELL #1 (MILL YARD)ARSENIC  3 Years01/01/200212/31/20101
EP-A  EP for WELL #1 (MILL YARD)RAD - GROSS ALPHA  6 Years01/01/201112/31/20231
EP-A  EP for WELL #1 (MILL YARD)RAD - RADIUM 226/228  6 Years01/01/201112/31/20231
EP-A  EP for WELL #1 (MILL YARD)RAD - URANIUM  6 Years01/01/201112/31/20231

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