OHA Drinking Water Services
OR41
PWS ID: 00717 ---- GREEN AREA WATER & SANITARY AUTHORITY

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
CH-A  COMMON HEADER FOR WTP-A TOC & ALKALINITY notesMonthly 04/01/2025 - 04/30/2025 1 1 incomplete03/11/2025
DIST-A  Distribution System ASBESTOS, DIST notes9 Years 01/01/2020 - 12/31/2028 1,342 1 incomplete09/24/2019
DIST-A  Distribution System LEAD & COPPER notes3 Years01/01/2026 - 12/31/2026   20 08/16/2023
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  Distribution System STAGE 2 DBP notesYearly 01/01/2025 - 12/31/2025 246 2 incomplete07/17/2024
 Seasonal sampling period:  07/01  thru  07/31
EP-A  EP FOR SOUTH UMPQUA RIVER ARSENIC  9 Years 01/01/2020 - 12/31/2028 1,342 1 incomplete09/24/2019
EP-A  EP FOR SOUTH UMPQUA RIVER IOC notes9 Years 01/01/2020 - 12/31/2028 1,342 1 incomplete09/24/2019
EP-A  EP FOR SOUTH UMPQUA RIVER NITRATE  Yearly 01/01/2025 - 12/31/2025 246 1 incomplete12/05/2024
EP-A  EP FOR SOUTH UMPQUA RIVER NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,342 1 incomplete09/24/2019
EP-A  EP FOR SOUTH UMPQUA RIVER RAD - GROSS ALPHA  9 Years 01/01/2017 - 12/31/2025 246 1 incomplete12/13/2016
EP-A  EP FOR SOUTH UMPQUA RIVER RAD - RADIUM 226/228 9 Years 01/01/2017 - 12/31/2025 246 1 incomplete12/13/2016
EP-A  EP FOR SOUTH UMPQUA RIVER RAD - URANIUM  9 Years 01/01/2023 - 12/31/2031 2,437 1 incomplete06/23/2022
EP-A  EP FOR SOUTH UMPQUA RIVER SOC notes3 Years 01/01/2023 - 12/31/2025 246 2 incomplete10/17/2022
EP-A  EP FOR SOUTH UMPQUA RIVER VOLATILE ORGANICS  Yearly 01/01/2025 - 12/31/2025 246 1 incomplete11/12/2024
SRC-AA  SOUTH UMPQUA RIVER CYANOTOXINS  2 Weeks 04/20/2025 - 05/03/2025 4 1 incomplete10/28/2024
 Seasonal sampling period:  05/01  thru  10/31
WTP-A  TP FOR SOUTH UMPQUA RIVERTOTAL ORGANIC CARBONnotesMonthly04/01/2025 - 04/30/2025 1 1 incomplete 03/11/2025

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More information for this water system: SDWIS ID 3903

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