OHA Drinking Water Services
OR41
PWS ID: 00232 ---- COLORADO LAKE COOP

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 09/10/2024
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2025 - 12/31/2025 336 1 incomplete08/19/2024
 Seasonal sampling period:  08/01  thru  08/31
EP-A  EP FOR WELL ARSENIC notes9 Years 01/01/2023 - 12/31/2031 2,527 1 incomplete08/07/2019
EP-A  EP FOR WELL IOC notes9 Years 01/01/2020 - 12/31/2028 1,432 1 incomplete08/07/2019
EP-A  EP FOR WELL NITRATE  Quarterly01/01/2025 - 03/31/2025 61 1 done 01/15/2025
EP-A  EP FOR WELL NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,432 1 incomplete08/07/2019
EP-A  EP FOR WELL RAD - GROSS ALPHA  9 Years 01/01/2017 - 12/31/2025 336 1 incomplete08/12/2016
EP-A  EP FOR WELL RAD - RADIUM 226/228 9 Years01/01/2017 - 12/31/2025 336 1 done 03/18/2022
EP-A  EP FOR WELL RAD - URANIUM  9 Years 01/01/2023 - 12/31/2031 2,527 1 incomplete03/18/2022
EP-A  EP FOR WELL SOC  3 Years 01/01/2023 - 12/31/2025 336 1 incomplete03/18/2022
EP-A  EP FOR WELL VOLATILE ORGANICS  3 Years 01/01/2023 - 12/31/2025 336 1 incomplete04/07/2022

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More information for this water system: SDWIS ID 3279
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