OHA Drinking Water Services
OR41
PWS ID: 94562 ---- LAMB WESTON

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 06/19/2024
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  Distribution System STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 257 1 incomplete09/10/2025
  Seasonal sampling period:   08/01   thru   08/31
EP-A  EP FOR WELLS #1,#2, & #3 ARSENIC notes9 Years01/01/2023 - 12/31/2031 2,083 1 done 12/09/2025
EP-A  EP FOR WELLS #1,#2, & #3 IOC notes9 Years01/01/2020 - 12/31/2028 988 1 done 12/09/2025
EP-A  EP FOR WELLS #1,#2, & #3 NITRATE  Quarterly 04/01/2026 - 06/30/2026 73 1 incomplete10/08/2025
EP-A  EP FOR WELLS #1,#2, & #3 NITRITE notes9 Years01/01/2020 - 12/31/2028 988 1 done 07/13/2022
EP-A  EP FOR WELLS #1,#2, & #3 PFAS notes6 Months 01/01/2026 - 06/30/2026 73 1 incomplete11/16/2021
  Initial monitoring - 2 samples only
EP-A  EP FOR WELLS #1,#2, & #3 SOC  3 Years 01/01/2026 - 12/31/2028 988 1 incomplete07/29/2025
EP-A  EP FOR WELLS #1,#2, & #3 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 988 1 incomplete07/23/2025

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