OHA Drinking Water Services
OR41
PWS ID: 00106 ---- PONDEROSA PINES 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 Years01/01/2026 - 12/31/2026   10 02/21/2023
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP FOR WELLS #2 AND #3 ARSENIC  3 Years 01/01/2026 - 12/31/2028 1,024 1 incomplete10/02/2025
EP-A  EP FOR WELLS #2 AND #3 IOC notes9 Years 01/01/2020 - 12/31/2028 1,024 1 incomplete09/23/2019
EP-A  EP FOR WELLS #2 AND #3 NITRATE  Yearly 01/01/2026 - 12/31/2026 293 1 incomplete10/02/2025
EP-A  EP FOR WELLS #2 AND #3 NITRITE notes9 Years01/01/2020 - 12/31/2028 1,024 1 done 10/02/2025
EP-A  EP FOR WELLS #2 AND #3 PFAS notes6 Months 01/01/2026 - 06/30/2026 109 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP FOR WELLS #2 AND #3 RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,215 1 incomplete02/16/2023
EP-A  EP FOR WELLS #2 AND #3 RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,215 1 incomplete02/16/2023
EP-A  EP FOR WELLS #2 AND #3 RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,215 1 incomplete02/16/2023
EP-A  EP FOR WELLS #2 AND #3 SOC  3 Years 01/01/2026 - 12/31/2028 1,024 1 incomplete10/02/2025
EP-A  EP FOR WELLS #2 AND #3 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,024 1 incomplete10/02/2025
EP-B  EP FOR WELL #1 ARSENIC  3 Years 01/01/2026 - 12/31/2028 1,024 1 incomplete10/02/2025
EP-B  EP FOR WELL #1 IOC notes9 Years01/01/2020 - 12/31/2028 1,024 1 done 10/24/2022
EP-B  EP FOR WELL #1 NITRATE  Yearly 01/01/2026 - 12/31/2026 293 1 incomplete10/02/2025
EP-B  EP FOR WELL #1 NITRITE notes9 Years01/01/2020 - 12/31/2028 1,024 1 done 10/02/2025
EP-B  EP FOR WELL #1 PFAS notes6 Months 01/01/2026 - 06/30/2026 109 1 incomplete
  Initial monitoring - 2 samples only
EP-B  EP FOR WELL #1 RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,215 1 incomplete10/24/2022
EP-B  EP FOR WELL #1 RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,215 1 incomplete10/24/2022
EP-B  EP FOR WELL #1 RAD - URANIUM  9 Years 01/01/2023 - 12/31/2031 2,119 1 incomplete10/24/2022
EP-B  EP FOR WELL #1 SOC  3 Years 01/01/2026 - 12/31/2028 1,024 1 incomplete10/02/2025
EP-B  EP FOR WELL #1 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,024 1 incomplete10/02/2025

6  secs
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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  Distribution SystemLEAD & COPPER  3 Years01/01/200206/30/202210Sample Between June 1st and Sept 30th
DIST-A  Distribution SystemLEAD & COPPER  6 Months07/01/202203/31/202320
EP-A  EP FOR WELLS #2 AND #3RAD - GROSS ALPHA  9 Years01/01/200809/30/20221
EP-A  EP FOR WELLS #2 AND #3RAD - GROSS ALPHA  Quarterly10/01/202203/31/20231
EP-A  EP FOR WELLS #2 AND #3RAD - RADIUM 226/228  9 Years01/01/200809/30/20221
EP-A  EP FOR WELLS #2 AND #3RAD - RADIUM 226/228  Quarterly10/01/202203/31/20231
EP-A  EP FOR WELLS #2 AND #3RAD - URANIUM  9 Years01/01/201409/30/20221
EP-A  EP FOR WELLS #2 AND #3RAD - URANIUM  Quarterly10/01/202203/31/20231
EP-B  EP FOR WELL #1ARSENIC  3 Years01/01/200208/01/20041
EP-B  EP FOR WELL #1IOC  9 Years01/01/200208/01/20041Schedule Reflects Monitoring Reduction Granted
EP-B  EP FOR WELL #1NITRATE  Yearly01/01/200208/01/20041
EP-B  EP FOR WELL #1NITRITE  9 Years01/01/200208/01/20041Schedule Reflects Monitoring Reduction Granted
EP-B  EP FOR WELL #1SOC  3 Years01/01/200208/01/20041
EP-B  EP FOR WELL #1VOLATILE ORGANICS  3 Years01/01/200208/01/20041

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