OHA Drinking Water Services
OR41
PWS ID: 01449 ---- MARSHLAND 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 Years01/01/2027 - 12/31/2027   5 08/07/2024
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesQuarterly 01/01/2025 - 03/31/2025 76 1 incomplete11/20/2024
EP-B  EP FOR TANDY CREEK ARSENIC notes9 Years 01/01/2023 - 12/31/2031 2,542 1 incomplete12/07/2022
EP-B  EP FOR TANDY CREEK IOC notes9 Years 01/01/2023 - 12/31/2031 2,542 1 incomplete12/07/2022
EP-B  EP FOR TANDY CREEK NITRATE  Yearly 01/01/2025 - 12/31/2025 351 1 incomplete10/23/2024
EP-B  EP FOR TANDY CREEK NITRITE notes9 Years 01/01/2023 - 12/31/2031 2,542 1 incomplete12/07/2022
EP-B  EP FOR TANDY CREEK RAD - GROSS ALPHA notes9 Years01/01/2017 - 12/31/2025 351 1 done 07/17/2019
EP-B  EP FOR TANDY CREEK RAD - RADIUM 226/228notes9 Years01/01/2017 - 12/31/2025 351 1 done 07/17/2019
EP-B  EP FOR TANDY CREEK RAD - URANIUM notes9 Years01/01/2017 - 12/31/2025 351 1 done 07/17/2019
EP-B  EP FOR TANDY CREEK SOC notes3 Years 01/01/2023 - 12/31/2025 351 1 incomplete08/05/2020
EP-B  EP FOR TANDY CREEK VOLATILE ORGANICS notesYearly 01/01/2025 - 12/31/2025 351 1 incomplete09/18/2024

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Quarterly10/01/201109/30/20121
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/201109/30/20111Sample between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/201312/31/20131Sample Between June 1 and Sept 30
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/200512/31/20075Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months07/01/201006/30/20115
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  Yearly01/01/200212/31/20025Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  Yearly01/01/201212/31/20145Sample Between June 1st and September 30th
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Yearly01/01/201406/30/20141Sample in August
EP-A  EP FOR WELL (COLU839)ARSENIC  3 Years01/01/200212/31/20071
EP-A  EP FOR WELL (COLU839)ARSENIC  Quarterly01/01/200808/19/20101
EP-A  EP FOR WELL (COLU839)IOC  3 Years01/01/200208/19/20101
EP-A  EP FOR WELL (COLU839)NITRATE  Yearly01/01/200208/19/20101
EP-A  EP FOR WELL (COLU839)NITRITE  3 Years01/01/200208/19/20101
EP-A  EP FOR WELL (COLU839)SOC  3 Years01/01/200208/19/20101
EP-A  EP FOR WELL (COLU839)VOLATILE ORGANICS  3 Years01/01/200208/19/20101
EP-B  EP FOR TANDY CREEKARSENIC  Yearly01/01/201112/31/20131
EP-B  EP FOR TANDY CREEKIOC  Yearly01/01/201112/31/20131
EP-B  EP FOR TANDY CREEKNITRITE  Yearly01/01/201112/31/20131
EP-B  EP FOR TANDY CREEKSOC  Quarterly07/01/201006/30/20111
EP-B  EP FOR TANDY CREEKVOLATILE ORGANICS  Quarterly07/01/201012/31/20101

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More information for this water system: SDWIS ID 4016
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