OHA Drinking Water Services
OR41
PWS ID: 90529 ---- MOLALLA RIVER SD RURAL DELL ELEM

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   5 07/08/2025
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP for WELL ARSENIC notes9 Years 01/01/2023 - 12/31/2031 2,068 1 incomplete11/15/2022
EP-A  EP for WELL IOC notes9 Years01/01/2020 - 12/31/2028 973 1 done 11/15/2022
EP-A  EP for WELL NITRATE  Yearly01/01/2026 - 12/31/2026 242 1 done 04/01/2026
EP-A  EP for WELL NITRITE notes9 Years01/01/2020 - 12/31/2028 973 1 done 11/15/2022
EP-A  EP for WELL PFAS notes6 Months 01/01/2026 - 06/30/2026 58 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP for WELL SOC  3 Years 01/01/2026 - 12/31/2028 973 1 incomplete03/19/2025
EP-A  EP for WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 973 1 incomplete03/19/2025

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  Distribution SystemLEAD & COPPER  3 Years01/01/200212/31/20055Sample Between June 1st and Sept 30th
DIST-A  Distribution SystemLEAD & COPPER  6 Months01/01/200606/30/200910
DIST-A  Distribution SystemLEAD & COPPER  6 Months01/01/201212/31/201410Sample when school is in session
DIST-A  Distribution SystemLEAD & COPPER  6 Months01/01/201912/31/201910
DIST-A  Distribution SystemLEAD & COPPER  Yearly01/01/201012/31/201110Sample during summer when school is in session
DIST-A  Distribution SystemLEAD & COPPER  Yearly01/01/201512/31/201810Sample when school is in session
EP-A  EP for WELLARSENIC  3 Years01/01/200212/31/20131

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