OHA Drinking Water Services
OR41
PWS ID: 01470 ---- LONE OAK ESTATES

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 Years01/01/2028 - 12/31/2028   5 08/04/2025
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notes3 Years01/01/2026 - 12/31/2026   1incomplete06/21/2023
 Seasonal sampling period:  06/01  thru  06/30
EP-A  EP FOR WELLS #1 & #2 ARSENIC notes9 Years 01/01/2026 - 12/31/2034 3,277 1 incomplete07/23/2019
EP-A  EP FOR WELLS #1 & #2 IOC notes9 Years 01/01/2020 - 12/31/2028 1,086 1 incomplete07/23/2019
EP-A  EP FOR WELLS #1 & #2 NITRATE  Yearly 01/01/2026 - 12/31/2026 355 1 incomplete04/22/2025
EP-A  EP FOR WELLS #1 & #2 NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,086 1 incomplete07/23/2019
EP-A  EP FOR WELLS #1 & #2 RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,277 1 incomplete07/31/2016
EP-A  EP FOR WELLS #1 & #2 RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,277 1 incomplete07/31/2016
EP-A  EP FOR WELLS #1 & #2 RAD - URANIUM  9 Years 01/01/2023 - 12/31/2031 2,181 1 incomplete07/08/2021
EP-A  EP FOR WELLS #1 & #2 SOC  3 Years 01/01/2026 - 12/31/2028 1,086 1 incomplete07/06/2022
EP-A  EP FOR WELLS #1 & #2 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,086 1 incomplete07/06/2022

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More information for this water system: SDWIS ID 4149

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