OHA Drinking Water Services
OR41
PWS ID: 00087 ---- TOLLGATE WATER COMPANY

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   10 08/14/2024
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP FOR WELL #2 ARSENIC notes9 Years01/01/2020 - 12/31/2028 1,008 1 done 05/23/2022
EP-A  EP FOR WELL #2 IOC notes9 Years01/01/2020 - 12/31/2028 1,008 1 done 05/23/2022
EP-A  EP FOR WELL #2 NITRATE  Yearly 01/01/2026 - 12/31/2026 277 1 incomplete07/07/2025
EP-A  EP FOR WELL #2 NITRITE notes9 Years01/01/2020 - 12/31/2028 1,008 1 done 05/23/2022
EP-A  EP FOR WELL #2 PFAS notes6 Months 01/01/2026 - 06/30/2026 93 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP FOR WELL #2 RAD - GROSS ALPHA  6 Years 01/01/2026 - 12/31/2031 2,103 1 incomplete05/23/2022
EP-A  EP FOR WELL #2 RAD - RADIUM 226/228 6 Years 01/01/2026 - 12/31/2031 2,103 1 incomplete05/23/2022
EP-A  EP FOR WELL #2 RAD - URANIUM notes9 Years 01/01/2023 - 12/31/2031 2,103 1 incomplete05/23/2022
EP-A  EP FOR WELL #2 SOC  3 Years 01/01/2026 - 12/31/2028 1,008 1 incomplete07/07/2025
EP-A  EP FOR WELL #2 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,008 1 incomplete08/14/2025
EP-B  EP FOR WELL #1 ARSENIC notes9 Years01/01/2020 - 12/31/2028 1,008 1 done 05/23/2022
EP-B  EP FOR WELL #1 IOC notes9 Years01/01/2020 - 12/31/2028 1,008 1 done 05/23/2022
EP-B  EP FOR WELL #1 NITRATE  Yearly 01/01/2026 - 12/31/2026 277 1 incomplete07/07/2025
EP-B  EP FOR WELL #1 NITRITE notes9 Years01/01/2020 - 12/31/2028 1,008 1 done 05/23/2022
EP-B  EP FOR WELL #1 PFAS notes6 Months 01/01/2026 - 06/30/2026 93 1 incomplete
  Initial monitoring - 2 samples only
EP-B  EP FOR WELL #1 RAD - GROSS ALPHA  6 Years 01/01/2023 - 12/31/2028 1,008 1 incomplete05/23/2022
EP-B  EP FOR WELL #1 RAD - RADIUM 226/228 6 Years 01/01/2023 - 12/31/2028 1,008 1 incomplete05/23/2022
EP-B  EP FOR WELL #1 RAD - URANIUM notes9 Years 01/01/2023 - 12/31/2031 2,103 1 incomplete05/23/2022
EP-B  EP FOR WELL #1 SOC  3 Years 01/01/2026 - 12/31/2028 1,008 1 incomplete07/07/2025
EP-B  EP FOR WELL #1 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,008 1 incomplete08/14/2025

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