OHA Drinking Water Services
OR41
PWS ID: 01475 ---- OREGON WATER UTILITIES - MOUNTAIN LAKES

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   5 08/07/2024
 Seasonal sampling period:  06/01  thru  09/30
EP-C  EP FOR WELL #3 ARSENIC notes9 Years 01/01/2017 - 12/31/2025 335 1 incomplete09/27/2016
EP-C  EP FOR WELL #3 IOC notes9 Years 01/01/2017 - 12/31/2025 335 1 incomplete09/27/2016
EP-C  EP FOR WELL #3 NITRATE  Yearly 01/01/2025 - 12/31/2025 335 1 incomplete10/18/2024
EP-C  EP FOR WELL #3 NITRITE notes9 Years 01/01/2017 - 12/31/2025 335 1 incomplete09/27/2016
EP-C  EP FOR WELL #3 RAD - GROSS ALPHA  9 Years 01/01/2023 - 12/31/2031 2,526 1 incomplete10/08/2018
EP-C  EP FOR WELL #3 RAD - RADIUM 226/228 9 Years 01/01/2023 - 12/31/2031 2,526 1 incomplete10/08/2018
EP-C  EP FOR WELL #3 RAD - URANIUM  9 Years 01/01/2023 - 12/31/2031 2,526 1 incomplete06/24/2019
EP-C  EP FOR WELL #3 SOC  3 Years 01/01/2023 - 12/31/2025 335 1 incomplete11/01/2022
EP-C  EP FOR WELL #3 VOLATILE ORGANICS  3 Years 01/01/2023 - 12/31/2025 335 1 incomplete11/01/2022

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  Distribution SystemLEAD & COPPER  Yearly01/01/200212/31/20025Sample Between June 1st and Sept 30th
EP-A  EP FOR WELL #1ARSENIC  3 Years01/01/200201/01/20031
EP-A  EP FOR WELL #1IOC  3 Years01/01/200201/01/20031
EP-A  EP FOR WELL #1NITRATE  Yearly01/01/200201/01/20031
EP-A  EP FOR WELL #1NITRITE  3 Years01/01/200201/01/20031
EP-A  EP FOR WELL #1SOC  3 Years01/01/200201/01/20031
EP-A  EP FOR WELL #1VOLATILE ORGANICS  3 Years01/01/200201/01/20031
EP-B  EP FOR WELL #2ARSENIC  3 Years01/01/200201/01/20031
EP-B  EP FOR WELL #2IOC  3 Years01/01/200201/01/20031
EP-B  EP FOR WELL #2NITRATE  Yearly01/01/200201/01/20031
EP-B  EP FOR WELL #2NITRITE  3 Years01/01/200201/01/20031
EP-B  EP FOR WELL #2SOC  3 Years01/01/200201/01/20031
EP-B  EP FOR WELL #2VOLATILE ORGANICS  3 Years01/01/200201/01/20031
EP-C  EP FOR WELL #3ARSENIC  3 Years01/01/200212/31/20161
EP-C  EP FOR WELL #3IOC  3 Years01/01/200212/31/20161
EP-C  EP FOR WELL #3NITRITE  3 Years01/01/200212/31/20161
EP-C  EP FOR WELL #3RAD - GROSS ALPHA  6 Years01/01/201412/31/20221
EP-C  EP FOR WELL #3RAD - GROSS ALPHA  Quarterly01/01/201009/30/20121
EP-C  EP FOR WELL #3RAD - RADIUM 226/228  Quarterly01/01/201003/31/20101
EP-C  EP FOR WELL #3RAD - URANIUM  Quarterly01/01/201003/31/20101

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More information for this water system: SDWIS ID 4308
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