OHA Drinking Water Services
OR41
PWS ID: 00229 ---- RIDGEWOOD DIST IMPROV CO

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 06/03/2024
 Seasonal sampling period:  06/01  thru  09/30
EP-A  EP for WELL ARSENIC  9 Years01/01/2020 - 12/31/2028 1,324 1 done 05/06/2024
EP-A  EP for WELL IOC notes9 Years01/01/2020 - 12/31/2028 1,324 1 done 05/06/2024
EP-A  EP for WELL NITRATE  Yearly 01/01/2025 - 12/31/2025 228 1 incomplete05/06/2024
EP-A  EP for WELL NITRITE notes9 Years01/01/2020 - 12/31/2028 1,324 1 done 05/06/2024
EP-A  EP for WELL RAD - GROSS ALPHA notes9 Years01/01/2017 - 12/31/2025 228 1 done 01/17/2017
EP-A  EP for WELL RAD - RADIUM 226/228notes9 Years 01/01/2023 - 12/31/2031 2,419 1 incomplete01/17/2017
EP-A  EP for WELL RAD - URANIUM notes9 Years 01/01/2023 - 12/31/2031 2,419 1 incomplete01/17/2017
EP-A  EP for WELL SOC  3 Years01/01/2023 - 12/31/2025 228 1 done 05/06/2024
EP-A  EP for WELL VOLATILE ORGANICS  3 Years01/01/2023 - 12/31/2025 228 1 done 05/06/2024

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More information for this water system: SDWIS ID 4120

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