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 997 1 incomplete09/04/2019
DIST-A  DISTRIBUTION SYSTEM DBP2 HAA5 ONLY notesQuarterly 04/01/2026 - 06/30/2026 82 1 incomplete10/01/2025
DIST-A  DISTRIBUTION SYSTEM DBP2 TTHM ONLY notesQuarterly 04/01/2026 - 06/30/2026 82 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 3,188 1 incomplete03/03/2025
EP-A  EP FOR WTP IOC notes9 Years01/01/2020 - 12/31/2028 997 1 done 03/03/2025
EP-A  EP FOR WTP NITRATE  Yearly 01/01/2026 - 12/31/2026 266 1 incomplete03/03/2025
EP-A  EP FOR WTP NITRITE notes9 Years01/01/2020 - 12/31/2028 997 1 done 03/03/2025
EP-A  EP FOR WTP PFAS notesQuarterly 04/01/2026 - 06/30/2026 82 1 incomplete
  Initial monitoring - 4 quarters only
EP-A  EP FOR WTP RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,188 1 incomplete03/03/2025
EP-A  EP FOR WTP RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,188 1 incomplete03/03/2025
EP-A  EP FOR WTP RAD - URANIUM  9 Years01/01/2023 - 12/31/2031 2,092 1 done 03/03/2025
EP-A  EP FOR WTP SOC  3 Years 01/01/2026 - 12/31/2028 997 1 incomplete06/03/2024
EP-A  EP FOR WTP VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 266 1 incomplete03/03/2025

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