OHA Drinking Water Services
OR41
PWS ID: 00174 ---- KNOLL TERRACE PARK

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 01/01/2020 - 12/31/2028 1,325 1 incomplete09/03/2019
DIST-A  Distribution System LEAD & COPPER notes3 Years01/01/2025 - 12/31/2025   5incomplete07/01/2022
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  Distribution System STAGE 2 DBP notes3 Years01/01/2026 - 12/31/2026   1  06/20/2023
 Seasonal sampling period:  06/01  thru  06/30
EP-A  EP FOR RESERVOIR ARSENIC notes9 Years 01/01/2020 - 12/31/2028 1,325 1 incomplete06/06/2017
EP-A  EP FOR RESERVOIR IOC notes9 Years 01/01/2020 - 12/31/2028 1,325 1 incomplete06/06/2017
EP-A  EP FOR RESERVOIR NITRATE  Yearly01/01/2025 - 12/31/2025 229 1 done 03/04/2025
EP-A  EP FOR RESERVOIR NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,325 1 incomplete06/06/2017
EP-A  EP FOR RESERVOIR RAD - GROSS ALPHA  6 Years 01/01/2023 - 12/31/2028 1,325 1 incomplete03/01/2022
EP-A  EP FOR RESERVOIR RAD - RADIUM 226/228 6 Years 01/01/2023 - 12/31/2028 1,325 1 incomplete11/15/2018
EP-A  EP FOR RESERVOIR RAD - URANIUM  9 Years 01/01/2023 - 12/31/2031 2,420 1 incomplete03/02/2021
EP-A  EP FOR RESERVOIR SOC  3 Years 01/01/2023 - 12/31/2025 229 1 incomplete03/01/2022
EP-A  EP FOR RESERVOIR VOLATILE ORGANICS  3 Years 01/01/2023 - 12/31/2025 229 1 incomplete03/01/2022

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More information for this water system: SDWIS ID 3262

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