OHA Drinking Water Services
OR41
PWS ID: 00474 ---- LAWRENCE SUBDIVISION WTR ASSN

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 01/01/2017 - 12/31/2025 246 1 incomplete08/30/2016
DIST-A  Distribution System LEAD & COPPER notes3 Years01/01/2026 - 12/31/2026   5 09/08/2023
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  Distribution System STAGE 2 DBP notes3 Years01/01/2025 - 12/31/2025   1incomplete07/11/2022
 Seasonal sampling period:  07/01  thru  07/31
EP-A  EP FOR WELLS #1 & #2 ARSENIC  3 Years 01/01/2023 - 12/31/2025 246 1 incomplete07/11/2022
EP-A  EP FOR WELLS #1 & #2 IOC notes9 Years 01/01/2020 - 12/31/2028 1,342 1 incomplete05/06/2019
EP-A  EP FOR WELLS #1 & #2 NITRATE  Yearly 01/01/2025 - 12/31/2025 246 1 incomplete08/12/2024
EP-A  EP FOR WELLS #1 & #2 NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,342 1 incomplete05/06/2019
EP-A  EP FOR WELLS #1 & #2 RAD - GROSS ALPHA notes9 Years 01/01/2017 - 12/31/2025 246 1 incomplete08/30/2016
EP-A  EP FOR WELLS #1 & #2 RAD - RADIUM 226/228notes9 Years 01/01/2017 - 12/31/2025 246 1 incomplete08/30/2016
EP-A  EP FOR WELLS #1 & #2 RAD - URANIUM notes9 Years 01/01/2017 - 12/31/2025 246 1 incomplete08/30/2016
EP-A  EP FOR WELLS #1 & #2 SOC  3 Years 01/01/2023 - 12/31/2025 246 1 incomplete07/11/2022
EP-A  EP FOR WELLS #1 & #2 VOLATILE ORGANICS  3 Years 01/01/2023 - 12/31/2025 246 1 incomplete07/11/2022

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More information for this water system: SDWIS ID 3350

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