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 347 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 3,269 1 incomplete11/13/2019
EP-A  EP FOR COMBINED CREEK/SPRINGS IOC notes9 Years 01/01/2020 - 12/31/2028 1,078 1 incomplete11/13/2019
EP-A  EP FOR COMBINED CREEK/SPRINGS NITRATE  Yearly 01/01/2026 - 12/31/2026 347 1 incomplete12/11/2024
EP-A  EP FOR COMBINED CREEK/SPRINGS NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,078 1 incomplete11/13/2019
EP-A  EP FOR COMBINED CREEK/SPRINGS RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,269 1 incomplete10/05/2016
EP-A  EP FOR COMBINED CREEK/SPRINGS RAD - RADIUM 226/228notes9 Years 01/01/2026 - 12/31/2034 3,269 1 incomplete10/05/2016
EP-A  EP FOR COMBINED CREEK/SPRINGS RAD - URANIUM notes9 Years 01/01/2026 - 12/31/2034 3,269 1 incomplete10/05/2016
EP-A  EP FOR COMBINED CREEK/SPRINGS SOC  3 Years 01/01/2026 - 12/31/2028 1,078 1 incomplete05/21/2025
EP-A  EP FOR COMBINED CREEK/SPRINGS VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 347 1 incomplete12/11/2024

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/200412/31/20131Sample between June 1 and Sept. 30.
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Quarterly01/01/201712/31/20181Sample in Feb, May, August and November
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Yearly01/01/201412/31/20161Sample in August
EP-A  EP FOR COMBINED CREEK/SPRINGSARSENIC  Yearly01/01/200212/31/20071

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More information for this water system: SDWIS ID 4011
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