OHA Drinking Water Services
OR41
PWS ID: 93722 ---- RAINIER SD #13

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 Years01/01/2028 - 12/31/2028   10 06/16/2025
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 346 1 incomplete09/10/2025
 Seasonal sampling period:  09/01  thru  09/30
EP-A  EP FOR WELL #4 ARSENIC notes9 Years 01/01/2020 - 12/31/2028 1,077 1 incomplete09/13/2012
EP-A  EP FOR WELL #4 IOC notes9 Years 01/01/2020 - 12/31/2028 1,077 1 incomplete09/13/2012
EP-A  EP FOR WELL #4 NITRATE  Yearly 01/01/2026 - 12/31/2026 346 1 incomplete09/10/2025
EP-A  EP FOR WELL #4 NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,077 1 incomplete09/13/2012
EP-A  EP FOR WELL #4 SOC  3 Years 01/01/2026 - 12/31/2028 1,077 1 incomplete08/02/2023
EP-A  EP FOR WELL #4 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,077 1 incomplete08/02/2023

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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
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Yearly01/01/201412/31/20232Sample in September
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Yearly01/01/202412/31/20251Sample in September
EP-A  EP FOR WELL #4ARSENIC  3 Years01/01/200212/31/20101
EP-A  EP FOR WELL #4CHLOROBENZENE  Quarterly07/01/201603/31/20181
EP-A  EP FOR WELL #4CHLOROBENZENE  Yearly01/01/201912/31/20201
EP-A  EP FOR WELL #4VOLATILE ORGANICS  3 Years01/01/200212/31/20221

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More information for this water system: SDWIS ID 1426
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