OHA Drinking Water Services
OR41
PWS ID: 01072 ---- JOHNSON CREEK WATER SERVICE

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 STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 346 1 incomplete09/23/2025
 Seasonal sampling period:  09/01  thru  09/30
EP-A  EP FOR JOHNSON CREEK ARSENIC notes9 Years 01/01/2023 - 12/31/2031 2,172 1 incomplete08/06/2014
EP-A  EP FOR JOHNSON CREEK IOC notes9 Years 01/01/2020 - 12/31/2028 1,077 1 incomplete09/12/2012
EP-A  EP FOR JOHNSON CREEK NITRATE  Yearly 01/01/2026 - 12/31/2026 346 1 incomplete10/22/2025
EP-A  EP FOR JOHNSON CREEK NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,077 1 incomplete09/12/2012
EP-A  EP FOR JOHNSON CREEK RAD - GROSS ALPHA  9 Years 01/01/2023 - 12/31/2031 2,172 1 incomplete09/14/2022
EP-A  EP FOR JOHNSON CREEK RAD - RADIUM 226/228 9 Years 01/01/2023 - 12/31/2031 2,172 1 incomplete09/14/2022
EP-A  EP FOR JOHNSON CREEK RAD - URANIUM  9 Years 01/01/2023 - 12/31/2031 2,172 1 incomplete12/20/2022
EP-A  EP FOR JOHNSON CREEK SOC  3 Years 01/01/2026 - 12/31/2028 1,077 1 incomplete10/03/2023
EP-A  EP FOR JOHNSON CREEK VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 346 1 incomplete09/17/2024

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
CH-A  COMMON HEADER FOR WTP-ATOC & ALKALINITY  Monthly01/01/200407/01/20081Raw and filtered TOC and alkalinity
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/200409/30/20131Sample between June 1 and Sept. 30.
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/200212/31/20155Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Quarterly10/01/201312/31/20152Sample in Dec, Mar, June and Sept.
EP-A  EP FOR JOHNSON CREEKARSENIC  Yearly01/01/200212/31/20131
EP-A  EP FOR JOHNSON CREEKRAD - GROSS ALPHA  Quarterly01/01/201106/30/20111
EP-A  EP FOR JOHNSON CREEKRAD - RADIUM 226/228  Quarterly01/01/201106/30/20111
EP-A  EP FOR JOHNSON CREEKRAD - URANIUM  Quarterly01/01/201106/30/20111
WTP-A  TP FOR JOHNSON CREEKTOTAL ORGANIC CARBON  Monthly01/01/200407/01/20081Post Filtration TOC

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More information for this water system: SDWIS ID 3116
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