OHA Drinking Water Services
OR41
PWS ID: 93718 ---- NINETY-ONE ELEM SD 91

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 LEAD & COPPER notes3 Years01/01/2025 - 12/31/2025   5incomplete02/28/2020
 Seasonal sampling period:  06/01  thru  09/30
EP-A  EP FOR WELLS ARSENIC  Quarterly04/01/2025 - 06/30/2025 38 1 done 04/15/2025
EP-A  EP FOR WELLS IOC notes9 Years 01/01/2020 - 12/31/2028 1,318 1 incomplete06/26/2014
EP-A  EP FOR WELLS NITRATE  Yearly 01/01/2025 - 12/31/2025 222 1 incomplete11/14/2024
EP-A  EP FOR WELLS NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,318 1 incomplete06/26/2014
EP-A  EP FOR WELLS SOC  3 Years 01/01/2023 - 12/31/2025 222 1 incomplete11/29/2022
EP-A  EP FOR WELLS VOLATILE ORGANICS  3 Years 01/01/2023 - 12/31/2025 222 1 incomplete12/19/2022

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/200512/31/20185Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months07/01/201912/31/202010
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  Yearly01/01/200212/31/20025Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  3 Years01/01/201712/31/20201Sample in September
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Yearly01/01/201412/31/20161Sample in September
EP-A  EP FOR WELLSARSENIC  3 Years01/01/200212/31/20091
EP-A  EP FOR WELLSARSENIC  Quarterly01/01/201012/31/20161
EP-A  EP FOR WELLSARSENIC  Yearly01/01/201712/31/20241

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More information for this water system: SDWIS ID 1422
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