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 3,245 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 323 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 1,054 1 incomplete06/03/2025
EP-A  EP FOR FIREHOUSE WELL IOC notes9 Years 01/01/2020 - 12/31/2028 1,054 1 incomplete10/01/2019
EP-A  EP FOR FIREHOUSE WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 323 1 incomplete06/03/2025
EP-A  EP FOR FIREHOUSE WELL NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,054 1 incomplete10/01/2019
EP-A  EP FOR FIREHOUSE WELL RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,245 1 incomplete07/13/2021
EP-A  EP FOR FIREHOUSE WELL RAD - RADIUM 226/228 9 Years 01/01/2020 - 12/31/2028 1,054 1 incomplete02/13/2018
EP-A  EP FOR FIREHOUSE WELL RAD - URANIUM  9 Years 01/01/2020 - 12/31/2028 1,054 1 incomplete02/13/2018
EP-A  EP FOR FIREHOUSE WELL SOC MINUS SOCR CHEMSnotes9 Years 01/01/2023 - 12/31/2031 2,149 1 incomplete06/14/2022
EP-A  EP FOR FIREHOUSE WELL SOCR  3 Years 01/01/2026 - 12/31/2028 1,054 1 incomplete06/10/2025
EP-A  EP FOR FIREHOUSE WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,054 1 incomplete06/03/2025
EP-D  EP FOR IRISH WELL ARSENIC  3 Years 01/01/2026 - 12/31/2028 1,054 1 incomplete09/03/2024
EP-D  EP FOR IRISH WELL IOC  9 Years01/01/2023 - 12/31/2031 2,149 1 done 09/03/2024
EP-D  EP FOR IRISH WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 323 1 incomplete07/08/2025
EP-D  EP FOR IRISH WELL NITRITE  9 Years01/01/2023 - 12/31/2031 2,149 1 done 09/03/2024
EP-D  EP FOR IRISH WELL RAD - GROSS ALPHA  9 Years01/01/2023 - 12/31/2031 2,149 1 done 09/03/2024
EP-D  EP FOR IRISH WELL RAD - RADIUM 226/228 9 Years01/01/2023 - 12/31/2031 2,149 1 done 09/03/2024
EP-D  EP FOR IRISH WELL RAD - URANIUM  9 Years01/01/2023 - 12/31/2031 2,149 1 done 09/03/2024
EP-D  EP FOR IRISH WELL SOC  3 Years 01/01/2026 - 12/31/2028 1,054 1 incomplete09/03/2024
EP-D  EP FOR IRISH WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,054 1 incomplete09/03/2024
EP-F  EP FOR SPICER WELL ARSENIC  3 Years 01/01/2026 - 12/31/2028 1,054 1 incomplete07/08/2025
EP-F  EP FOR SPICER WELL IOC notes9 Years 01/01/2020 - 12/31/2028 1,054 1 incomplete10/01/2019
EP-F  EP FOR SPICER WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 323 1 incomplete07/08/2025
EP-F  EP FOR SPICER WELL NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,054 1 incomplete10/01/2019
EP-F  EP FOR SPICER WELL RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,245 1 incomplete07/13/2021
EP-F  EP FOR SPICER WELL RAD - RADIUM 226/228notes9 Years 01/01/2026 - 12/31/2034 3,245 1 incomplete07/13/2021
EP-F  EP FOR SPICER WELL RAD - URANIUM  9 Years 01/01/2020 - 12/31/2028 1,054 1 incomplete02/13/2018
EP-F  EP FOR SPICER WELL SOC MINUS SOCR CHEMSnotes9 Years 01/01/2023 - 12/31/2031 2,149 1 incomplete06/14/2022
EP-F  EP FOR SPICER WELL SOCR  3 Years 01/01/2026 - 12/31/2028 1,054 1 incomplete07/08/2025
EP-F  EP FOR SPICER WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,054 1 incomplete07/08/2025
EP-G  EP FOR MAPLE LANE WELLS ARSENIC  3 Years 01/01/2026 - 12/31/2028 1,054 1 incomplete07/08/2025
EP-G  EP FOR MAPLE LANE WELLS IOC notes9 Years 01/01/2020 - 12/31/2028 1,054 1 incomplete10/01/2019
EP-G  EP FOR MAPLE LANE WELLS NITRATE  Yearly 01/01/2026 - 12/31/2026 323 1 incomplete07/08/2025
EP-G  EP FOR MAPLE LANE WELLS NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,054 1 incomplete10/01/2019
EP-G  EP FOR MAPLE LANE WELLS RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,245 1 incomplete07/13/2021
EP-G  EP FOR MAPLE LANE WELLS RAD - RADIUM 226/228notes9 Years 01/01/2026 - 12/31/2034 3,245 1 incomplete07/13/2021
EP-G  EP FOR MAPLE LANE WELLS RAD - URANIUM  9 Years 01/01/2020 - 12/31/2028 1,054 1 incomplete02/13/2018
EP-G  EP FOR MAPLE LANE WELLS SOC MINUS SOCR CHEMSnotes9 Years 01/01/2023 - 12/31/2031 2,149 1 incomplete06/14/2022
EP-G  EP FOR MAPLE LANE WELLS SOCR  3 Years 01/01/2026 - 12/31/2028 1,054 1 incomplete07/08/2025
EP-G  EP FOR MAPLE LANE WELLS VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,054 1 incomplete07/08/2025

6  secs
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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  DISTRIBUTION SYSTEMASBESTOS, DIST  3 Years01/01/200512/31/20071
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  3 Years01/01/200512/31/20133Sample between June 1 and Sept. 30. One perWTP.
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/200412/31/20043Sample Between June 1st and Sept 30th Each Year
EP-A  EP FOR FIREHOUSE WELLRAD - RADIUM 226/228  6 Years01/01/200812/31/20191
EP-A  EP FOR FIREHOUSE WELLRAD - URANIUM  6 Years01/01/200812/31/20191
EP-A  EP FOR FIREHOUSE WELLSOC  3 Years01/01/200212/31/20041
EP-C  EP FOR ROBERTS WELLNITRATE  Yearly01/01/200312/31/20021
EP-C  EP FOR ROBERTS WELLNITRATE  Yearly01/01/201210/03/20181
EP-D  EP FOR IRISH WELLRAD - GROSS ALPHA  Quarterly01/01/201006/30/20121
EP-D  EP FOR IRISH WELLRAD - RADIUM 226/228  Quarterly01/01/201003/31/20121
EP-D  EP FOR IRISH WELLRAD - URANIUM  Quarterly01/01/201003/31/20121
EP-E  EP FOR PAGE WELLNITRATE  Yearly01/01/200312/31/20021
EP-F  EP FOR SPICER WELLIOC  3 Years01/01/200212/31/20041
EP-F  EP FOR SPICER WELLNITRITE  3 Years01/01/200212/31/20041
EP-F  EP FOR SPICER WELLRAD - URANIUM  6 Years01/01/200812/31/20191
EP-F  EP FOR SPICER WELLSOC  3 Years01/01/200212/31/20041
EP-F  EP FOR SPICER WELLSOCR  3 Years01/01/200501/01/20051
EP-G  EP FOR MAPLE LANE WELLSRAD - URANIUM  6 Years01/01/200812/31/20191
EP-G  EP FOR MAPLE LANE WELLSSOC  3 Years01/01/200212/31/20041

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