OHA Drinking Water Services
OR41
PWS ID: 00297 ---- FALLS CITY, CITY OF

See also: Coliform Schedules  ::  LT2 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 ASBESTOS, DIST notes9 Years 01/01/2020 - 12/31/2028 1,087 1 incomplete09/04/2019
DIST-A  DISTRIBUTION SYSTEM DBP2 HAA5 ONLY notesQuarterly 01/01/2026 - 03/31/2026 81 1 incomplete10/01/2025
DIST-A  DISTRIBUTION SYSTEM DBP2 TTHM ONLY notesQuarterly 01/01/2026 - 03/31/2026 81 1 incomplete10/01/2025
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2027 - 12/31/2027   10 08/23/2024
 Seasonal sampling period:  06/01  thru  09/30
EP-A  EP FOR WTP ARSENIC notes9 Years 01/01/2026 - 12/31/2034 3,278 1 incomplete03/03/2025
EP-A  EP FOR WTP IOC notes9 Years01/01/2020 - 12/31/2028 1,087 1 done 03/03/2025
EP-A  EP FOR WTP NITRATE  Yearly 01/01/2026 - 12/31/2026 356 1 incomplete03/03/2025
EP-A  EP FOR WTP NITRITE notes9 Years01/01/2020 - 12/31/2028 1,087 1 done 03/03/2025
EP-A  EP FOR WTP RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,278 1 incomplete03/03/2025
EP-A  EP FOR WTP RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,278 1 incomplete03/03/2025
EP-A  EP FOR WTP RAD - URANIUM  9 Years01/01/2023 - 12/31/2031 2,182 1 done 03/03/2025
EP-A  EP FOR WTP SOC  3 Years 01/01/2026 - 12/31/2028 1,087 1 incomplete06/03/2024
EP-A  EP FOR WTP VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 356 1 incomplete03/03/2025

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
CH-A  COMMON HEADER FOR WTP-ATOTAL ORGANIC CARBON  Monthly01/01/200401/26/20111Raw Water TOC Only Required for Reduction in DBP Monitoring
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Quarterly01/01/200409/30/20131Schedule Reflects 1 RT Sample Per QT Per WTP
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  Yearly01/01/200212/31/200310Sample Between June 1st and Sept 30th
EP-A  EP FOR WTPARSENIC  Yearly01/01/200212/31/20061
EP-A  EP FOR WTPRAD - URANIUM  6 Years01/01/200812/31/20131

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More information for this water system: SDWIS ID 3951
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