OHA Drinking Water Services
OR41
PWS ID: 00139 ---- RANCHERO PETITE IMPROV DIST

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 Years01/01/2026 - 12/31/2026   5incomplete06/24/2022
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP FOR WELLS #1 & #2 ARSENIC notes9 Years 01/01/2020 - 12/31/2028 981 1 incomplete09/23/2019
EP-A  EP FOR WELLS #1 & #2 IOC notes9 Years 01/01/2020 - 12/31/2028 981 1 incomplete09/23/2019
EP-A  EP FOR WELLS #1 & #2 NITRATE  Yearly 01/01/2026 - 12/31/2026 250 1 incomplete09/24/2025
EP-A  EP FOR WELLS #1 & #2 NITRITE  9 Years 01/01/2020 - 12/31/2028 981 1 incomplete09/23/2019
EP-A  EP FOR WELLS #1 & #2 PFAS notes6 Months 01/01/2026 - 06/30/2026 66 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP FOR WELLS #1 & #2 RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,172 1 incomplete12/15/2025
EP-A  EP FOR WELLS #1 & #2 RAD - RADIUM 226/228 9 Years 01/01/2023 - 12/31/2031 2,076 1 incomplete10/25/2022
EP-A  EP FOR WELLS #1 & #2 RAD - URANIUM  9 Years 01/01/2023 - 12/31/2031 2,076 1 incomplete10/25/2022
EP-A  EP FOR WELLS #1 & #2 SOC  3 Years 01/01/2026 - 12/31/2028 981 1 incomplete09/24/2025
EP-A  EP FOR WELLS #1 & #2 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 981 1 incomplete09/24/2025

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