OHA Drinking Water Services
OR41
PWS ID: 95342 ---- A RIVER RUNS THROUGH

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 Years01/01/2026 - 12/31/2026   5 09/24/2023
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notes3 Years01/01/2025 - 12/31/2025   1incomplete08/16/2022
 Seasonal sampling period:  09/01  thru  09/30
EP-A  EP FOR WELL ARSENIC  3 Years 01/01/2023 - 12/31/2025 285 1 incomplete08/15/2022
EP-A  EP FOR WELL IOC  3 Years 01/01/2023 - 12/31/2025 285 1 incomplete08/15/2022
EP-A  EP FOR WELL NITRATE  Quarterly 01/01/2025 - 03/31/2025 10 1 incomplete11/14/2024
EP-A  EP FOR WELL NITRITE  3 Years 01/01/2023 - 12/31/2025 285 1 incomplete08/15/2022
EP-A  EP FOR WELL RAD - GROSS ALPHA  9 Years 01/01/2020 - 12/31/2028 1,381 1 incomplete11/11/2019
EP-A  EP FOR WELL RAD - RADIUM 226/228 6 Years 01/01/2020 - 12/31/2025 285 1 incomplete11/11/2019
EP-A  EP FOR WELL RAD - URANIUM  6 Years 01/01/2020 - 12/31/2025 285 1 incomplete11/11/2019
EP-A  EP FOR WELL SOC  3 Years 01/01/2023 - 12/31/2025 285 1 incomplete08/15/2022
EP-A  EP FOR WELL VOLATILE ORGANICS  3 Years 01/01/2023 - 12/31/2025 285 1 incomplete08/15/2022

16  secs
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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months01/01/201812/31/20205
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Yearly01/01/202112/31/20221Sample in Sept at Space 15B (2DBP-02)
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 IDSE  Yearly01/01/201809/30/20202Collect two dual sample sets between June 1 and September 30, one sample where HAA5 is expected to be highest and the other where TTHM is expected to be highest.
EP-A  EP FOR WELLNITRATE  Yearly01/01/201412/31/20231
EP-A  EP FOR WELLNITRATE  Yearly11/01/200712/31/20131
EP-A  EP FOR WELLRAD - GROSS ALPHA  Quarterly04/01/201809/30/20191
EP-A  EP FOR WELLRAD - RADIUM 226/228  Quarterly04/01/201809/30/20191
EP-A  EP FOR WELLRAD - URANIUM  Quarterly04/01/201809/30/20191
EP-A  EP FOR WELLSOC  Yearly01/01/201812/31/20221
EP-A  EP FOR WELLVOLATILE ORGANICS  Yearly01/01/201812/31/20221

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