OHA Drinking Water Services
OR41
PWS ID: 94418 ---- BPA-CELILO/BIG EDDY

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 06/06/2024
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  Distribution System STAGE 2 DBP notes3 Years01/01/2027 - 12/31/2027   1  06/06/2024
 Seasonal sampling period:  06/01  thru  06/30
EP-B  EP for WELL #2 (CELILO) ARSENIC  3 Years 01/01/2023 - 12/31/2025 333 1 incomplete09/29/2022
EP-B  EP for WELL #2 (CELILO) IOC notes9 Years 01/01/2020 - 12/31/2028 1,429 1 incomplete08/05/2019
EP-B  EP for WELL #2 (CELILO) NITRATE  Yearly 01/01/2025 - 12/31/2025 333 1 incomplete07/30/2024
EP-B  EP for WELL #2 (CELILO) NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,429 1 incomplete09/24/2019
EP-B  EP for WELL #2 (CELILO) SOC  3 Years 01/01/2023 - 12/31/2025 333 1 incomplete09/29/2022
EP-B  EP for WELL #2 (CELILO) VOLATILE ORGANICS  3 Years 01/01/2023 - 12/31/2025 333 1 incomplete09/29/2022

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  Distribution SystemHAA5 & TTHM  3 Years01/01/200512/31/20131Sample between June 1 and Sept. 30.
DIST-A  Distribution SystemHAA5 & TTHM  Yearly01/01/200412/31/20041Sample Between June 1st and Sept 30th Each Year
EP-A  EP FOR WELL #1(BIG EDDY)ARSENIC  3 Years01/01/200204/11/20231
EP-A  EP FOR WELL #1(BIG EDDY)IOC  9 Years01/01/200204/11/20231Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR WELL #1(BIG EDDY)NITRATE  Yearly01/01/200204/11/20231
EP-A  EP FOR WELL #1(BIG EDDY)NITRITE  9 Years01/01/200204/11/20231Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR WELL #1(BIG EDDY)SOC  3 Years01/01/200204/11/20231
EP-A  EP FOR WELL #1(BIG EDDY)VOLATILE ORGANICS  3 Years01/01/200204/11/20231

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More information for this water system: SDWIS ID 1753
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