OHA Drinking Water Services
OR41
PWS ID: 01092 ---- USFS TILLER RANGER STATION

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
CH-A  COMMON HEADER FOR WTP-A TOC & ALKALINITY  Quarterly 01/01/2026 - 03/31/2026 75 1 incomplete10/01/2025
DIST-A  Distribution System ASBESTOS, DIST  9 Years 01/01/2020 - 12/31/2028 1,081 1 incomplete07/10/2019
DIST-A  Distribution System DBP2 HAA5 ONLY notesYearly 01/01/2026 - 12/31/2026 350 1 incomplete07/10/2025
 Seasonal sampling period:  07/01  thru  07/31
DIST-A  Distribution System DBP2 TTHM ONLY notesYearly 01/01/2026 - 12/31/2026 350 1 incomplete10/01/2025
 Seasonal sampling period:  10/01  thru  10/31
DIST-A  Distribution System LEAD & COPPER notes3 Years01/01/2028 - 12/31/2028   5 06/24/2025
 Seasonal sampling period:  06/01  thru  09/30
EP-A  EP FOR SOUTH UMPQUA RIVER ARSENIC notes9 Years 01/01/2020 - 12/31/2028 1,081 1 incomplete07/10/2019
EP-A  EP FOR SOUTH UMPQUA RIVER IOC notes9 Years 01/01/2020 - 12/31/2028 1,081 1 incomplete07/10/2019
EP-A  EP FOR SOUTH UMPQUA RIVER NITRATE  Yearly 01/01/2026 - 12/31/2026 350 1 incomplete07/10/2025
EP-A  EP FOR SOUTH UMPQUA RIVER NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,081 1 incomplete07/10/2019
EP-A  EP FOR SOUTH UMPQUA RIVER SOC  3 Years 01/01/2026 - 12/31/2028 1,081 1 incomplete06/02/2025
EP-A  EP FOR SOUTH UMPQUA RIVER VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 350 1 incomplete07/10/2025
SRC-AA  SOUTH UMPQUA RIVER CYANOTOXINS  2 Weeks-- -- -- -- --10/21/2025
 Seasonal sampling period:  05/01  thru  10/31
WTP-A  TP FOR SOUTH UMPQUA RIVERTOTAL ORGANIC CARBON Quarterly01/01/2026 - 03/31/2026 75 1 incomplete 10/01/2025

6  secs
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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  Monthly01/01/200412/31/20051Raw and filtered TOC and alkalinity
DIST-A  Distribution SystemHAA5 & TTHM  Yearly01/01/200412/31/20131Sample between June 1 and Sept. 30.
DIST-A  Distribution SystemLEAD & COPPER  3 Years01/01/200212/31/20155Sample Between June 1 and Sept. 30.
DIST-A  Distribution SystemLEAD & COPPER  6 Months01/01/201606/30/20195
DIST-A  Distribution SystemSTAGE 2 DBP  Quarterly10/01/202012/31/20231Collect a dual sample set in the first month of every calendar quarter.
DIST-A  Distribution SystemSTAGE 2 DBP  Yearly01/01/201409/30/20201Sample in August
EP-A  EP FOR SOUTH UMPQUA RIVERRAD - GROSS ALPHA  9 Years01/01/200811/28/20121Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR SOUTH UMPQUA RIVERRAD - RADIUM 226/228  6 Years01/01/200811/28/20121
EP-A  EP FOR SOUTH UMPQUA RIVERRAD - URANIUM  9 Years01/01/200811/28/20121Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR SOUTH UMPQUA RIVERVOLATILE ORGANICS  Yearly01/01/200212/31/20071
WTP-A  TP FOR SOUTH UMPQUA RIVERTOTAL ORGANIC CARBON  Monthly01/01/200412/31/20051Post Filtration TOC

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More information for this water system: SDWIS ID 4008

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