OHA Drinking Water Services
OR41
PWS ID: 01139 ---- MIDLAND WATER ASSOCIATION

See also: Coliform Schedules  ::  LT2 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 06/25/2025
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 255 1 incomplete10/15/2025
  Seasonal sampling period:   10/01   thru   10/31
EP-A  EP FOR COMBINED CREEK/SPRINGS ARSENIC notes9 Years 01/01/2026 - 12/31/2034 3,177 1 incomplete11/13/2019
EP-A  EP FOR COMBINED CREEK/SPRINGS IOC notes9 Years 01/01/2020 - 12/31/2028 986 1 incomplete11/13/2019
EP-A  EP FOR COMBINED CREEK/SPRINGS NITRATE  Yearly 01/01/2026 - 12/31/2026 255 1 incomplete09/24/2025
EP-A  EP FOR COMBINED CREEK/SPRINGS NITRITE notes9 Years 01/01/2020 - 12/31/2028 986 1 incomplete11/13/2019
EP-A  EP FOR COMBINED CREEK/SPRINGS PFAS notesQuarterly 04/01/2026 - 06/30/2026 71 1 incomplete
  Initial monitoring - 4 quarters only
EP-A  EP FOR COMBINED CREEK/SPRINGS RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,177 1 incomplete09/24/2025
EP-A  EP FOR COMBINED CREEK/SPRINGS RAD - RADIUM 226/228notes9 Years 01/01/2026 - 12/31/2034 3,177 1 incomplete09/24/2025
EP-A  EP FOR COMBINED CREEK/SPRINGS RAD - URANIUM notes9 Years 01/01/2026 - 12/31/2034 3,177 1 incomplete09/24/2025
EP-A  EP FOR COMBINED CREEK/SPRINGS SOC  3 Years 01/01/2026 - 12/31/2028 986 1 incomplete05/21/2025
EP-A  EP FOR COMBINED CREEK/SPRINGS VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 255 1 incomplete09/24/2025

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