OHA Drinking Water Services
OR41
PWS ID: 00911 ---- TOOLEY WATER DISTRICT

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 ASBESTOS, DIST notes9 Years 01/01/2023 - 12/31/2031 2,123 1 incomplete
DIST-A  Distribution System LEAD & COPPER notes3 Years01/01/2027 - 12/31/2027   5 09/30/2024
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  Distribution System STAGE 2 DBP notes3 Years01/01/2028 - 12/31/2028   1 10/31/2025
  Seasonal sampling period:   10/01   thru   10/31
EP-A  EP FOR WELL #1CADMIUM  Quarterly01/01/2026 - 03/31/2026 22 1 incomplete 10/31/2025
EP-A  EP FOR WELL #1 ARSENIC notes9 Years01/01/2023 - 12/31/2031 2,123 1 done 06/25/2025
EP-A  EP FOR WELL #1 IOC notes9 Years01/01/2020 - 12/31/2028 1,028 1 done 06/25/2025
EP-A  EP FOR WELL #1 NITRATE  Yearly 01/01/2026 - 12/31/2026 297 1 incomplete06/25/2025
EP-A  EP FOR WELL #1 NITRITE notes9 Years01/01/2020 - 12/31/2028 1,028 1 done 06/25/2025
EP-A  EP FOR WELL #1 PFAS notes6 Months 01/01/2026 - 06/30/2026 113 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP FOR WELL #1 RAD - GROSS ALPHA  9 Years 01/01/2023 - 12/31/2031 2,123 1 incomplete10/15/2019
EP-A  EP FOR WELL #1 RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,219 1 incomplete10/15/2019
EP-A  EP FOR WELL #1 RAD - URANIUM  9 Years 01/01/2023 - 12/31/2031 2,123 1 incomplete10/15/2019
EP-A  EP FOR WELL #1 SOC  3 Years 01/01/2026 - 12/31/2028 1,028 1 incomplete02/06/2024
EP-A  EP FOR WELL #1 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,028 1 incomplete02/06/2024

5  secs
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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  Distribution SystemASBESTOS, DIST  9 Years01/01/201404/12/20181
DIST-A  Distribution SystemHAA5 & TTHM  3 Years01/01/200512/31/20131Sample between June 1 and Sept. 30.
DIST-A  Distribution SystemHAA5 & TTHM  Yearly01/01/200412/31/20042Sample Between June 1st and Sept 30th Each Year
EP-A  EP FOR WELL #1ARSENIC  3 Years01/01/200212/31/20131
EP-A  EP FOR WELL #1NITRATE  Quarterly04/01/201006/30/20121
EP-A  EP FOR WELL #1NITRATE  Yearly01/01/200203/31/20101
EP-A  EP FOR WELL #1RAD - GROSS ALPHA  6 Years01/01/201412/31/20221
EP-A  EP FOR WELL #1RAD - GROSS ALPHA  9 Years01/01/200812/31/20131Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR WELL #1RAD - URANIUM  6 Years01/01/201412/31/20221
EP-A  EP FOR WELL #1RAD - URANIUM  9 Years01/01/200812/31/20131Schedule Reflects Monitoring Reduction Granted
EP-B  EP FOR WELL #2ARSENIC  3 Years01/01/200212/31/20131
EP-B  EP FOR WELL #2ARSENIC  9 Years01/01/201407/22/20251Schedule Reflects Monitoring Reduction Granted
EP-B  EP FOR WELL #2IOC  3 Years01/01/200212/31/20131
EP-B  EP FOR WELL #2IOC  9 Years01/01/201407/22/20251Schedule Reflects Monitoring Reduction Granted
EP-B  EP FOR WELL #2NITRATE  Monthly08/01/202207/22/20251monthly while well #2 is in use
EP-B  EP FOR WELL #2NITRATE  Quarterly01/01/201812/31/20181
EP-B  EP FOR WELL #2NITRATE  Quarterly07/01/202112/31/20211
EP-B  EP FOR WELL #2NITRATE  Yearly01/01/200212/31/20171
EP-B  EP FOR WELL #2NITRATE  Yearly01/01/201911/02/20201
EP-B  EP FOR WELL #2NITRITE  3 Years01/01/200212/31/20131
EP-B  EP FOR WELL #2NITRITE  9 Years01/01/201407/22/20251Schedule Reflects Monitoring Reduction Granted
EP-B  EP FOR WELL #2RAD - GROSS ALPHA  9 Years01/01/200812/31/20131
EP-B  EP FOR WELL #2RAD - GROSS ALPHA  9 Years01/01/201407/22/20251
EP-B  EP FOR WELL #2RAD - RADIUM 226/228  9 Years01/01/200807/22/20251
EP-B  EP FOR WELL #2RAD - URANIUM  6 Years01/01/201707/22/20251
EP-B  EP FOR WELL #2RAD - URANIUM  9 Years01/01/200812/31/20161
EP-B  EP FOR WELL #2SOC  3 Years01/01/200207/22/20251
EP-B  EP FOR WELL #2VOLATILE ORGANICS  3 Years01/01/200207/22/20251

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