OHA Drinking Water Services
OR41
PWS ID: 00508 ---- MARCOLA 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  9 Years 01/01/2026 - 12/31/2034 3,246 1 incomplete10/17/2023
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2028 - 12/31/2028   5 06/09/2025
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 324 1 incomplete09/16/2025
 Seasonal sampling period:  09/01  thru  09/30
EP-A  EP FOR FIREHOUSE WELL ARSENIC  3 Years 01/01/2026 - 12/31/2028 1,055 1 incomplete06/03/2025
EP-A  EP FOR FIREHOUSE WELL IOC notes9 Years 01/01/2020 - 12/31/2028 1,055 1 incomplete10/01/2019
EP-A  EP FOR FIREHOUSE WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 324 1 incomplete06/03/2025
EP-A  EP FOR FIREHOUSE WELL NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,055 1 incomplete10/01/2019
EP-A  EP FOR FIREHOUSE WELL RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,246 1 incomplete07/13/2021
EP-A  EP FOR FIREHOUSE WELL RAD - RADIUM 226/228 9 Years 01/01/2020 - 12/31/2028 1,055 1 incomplete02/13/2018
EP-A  EP FOR FIREHOUSE WELL RAD - URANIUM  9 Years 01/01/2020 - 12/31/2028 1,055 1 incomplete02/13/2018
EP-A  EP FOR FIREHOUSE WELL SOC MINUS SOCR CHEMSnotes9 Years 01/01/2023 - 12/31/2031 2,150 1 incomplete06/14/2022
EP-A  EP FOR FIREHOUSE WELL SOCR  3 Years 01/01/2026 - 12/31/2028 1,055 1 incomplete06/10/2025
EP-A  EP FOR FIREHOUSE WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,055 1 incomplete06/03/2025
EP-D  EP FOR IRISH WELL ARSENIC  3 Years 01/01/2026 - 12/31/2028 1,055 1 incomplete09/03/2024
EP-D  EP FOR IRISH WELL IOC  9 Years01/01/2023 - 12/31/2031 2,150 1 done 09/03/2024
EP-D  EP FOR IRISH WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 324 1 incomplete07/08/2025
EP-D  EP FOR IRISH WELL NITRITE  9 Years01/01/2023 - 12/31/2031 2,150 1 done 09/03/2024
EP-D  EP FOR IRISH WELL RAD - GROSS ALPHA  9 Years01/01/2023 - 12/31/2031 2,150 1 done 09/03/2024
EP-D  EP FOR IRISH WELL RAD - RADIUM 226/228 9 Years01/01/2023 - 12/31/2031 2,150 1 done 09/03/2024
EP-D  EP FOR IRISH WELL RAD - URANIUM  9 Years01/01/2023 - 12/31/2031 2,150 1 done 09/03/2024
EP-D  EP FOR IRISH WELL SOC  3 Years 01/01/2026 - 12/31/2028 1,055 1 incomplete09/03/2024
EP-D  EP FOR IRISH WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,055 1 incomplete09/03/2024
EP-F  EP FOR SPICER WELL ARSENIC  3 Years 01/01/2026 - 12/31/2028 1,055 1 incomplete07/08/2025
EP-F  EP FOR SPICER WELL IOC notes9 Years 01/01/2020 - 12/31/2028 1,055 1 incomplete10/01/2019
EP-F  EP FOR SPICER WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 324 1 incomplete07/08/2025
EP-F  EP FOR SPICER WELL NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,055 1 incomplete10/01/2019
EP-F  EP FOR SPICER WELL RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,246 1 incomplete07/13/2021
EP-F  EP FOR SPICER WELL RAD - RADIUM 226/228notes9 Years 01/01/2026 - 12/31/2034 3,246 1 incomplete07/13/2021
EP-F  EP FOR SPICER WELL RAD - URANIUM  9 Years 01/01/2020 - 12/31/2028 1,055 1 incomplete02/13/2018
EP-F  EP FOR SPICER WELL SOC MINUS SOCR CHEMSnotes9 Years 01/01/2023 - 12/31/2031 2,150 1 incomplete06/14/2022
EP-F  EP FOR SPICER WELL SOCR  3 Years 01/01/2026 - 12/31/2028 1,055 1 incomplete07/08/2025
EP-F  EP FOR SPICER WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,055 1 incomplete07/08/2025
EP-G  EP FOR MAPLE LANE WELLS ARSENIC  3 Years 01/01/2026 - 12/31/2028 1,055 1 incomplete07/08/2025
EP-G  EP FOR MAPLE LANE WELLS IOC notes9 Years 01/01/2020 - 12/31/2028 1,055 1 incomplete10/01/2019
EP-G  EP FOR MAPLE LANE WELLS NITRATE  Yearly 01/01/2026 - 12/31/2026 324 1 incomplete07/08/2025
EP-G  EP FOR MAPLE LANE WELLS NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,055 1 incomplete10/01/2019
EP-G  EP FOR MAPLE LANE WELLS RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,246 1 incomplete07/13/2021
EP-G  EP FOR MAPLE LANE WELLS RAD - RADIUM 226/228notes9 Years 01/01/2026 - 12/31/2034 3,246 1 incomplete07/13/2021
EP-G  EP FOR MAPLE LANE WELLS RAD - URANIUM  9 Years 01/01/2020 - 12/31/2028 1,055 1 incomplete02/13/2018
EP-G  EP FOR MAPLE LANE WELLS SOC MINUS SOCR CHEMSnotes9 Years 01/01/2023 - 12/31/2031 2,150 1 incomplete06/14/2022
EP-G  EP FOR MAPLE LANE WELLS SOCR  3 Years 01/01/2026 - 12/31/2028 1,055 1 incomplete07/08/2025
EP-G  EP FOR MAPLE LANE WELLS VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,055 1 incomplete07/08/2025

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