OHA Drinking Water Services
OR41
PWS ID: 00342 ---- GRANTS PASS, CITY OF

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 notesQuarterly 04/01/2026 - 06/30/2026 54 1 incomplete02/25/2026
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2026 - 12/31/2026   30incomplete08/25/2023
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesQuarterly 04/01/2026 - 06/30/2026 54 4 incomplete03/26/2026
EP-A  EP FOR ROGUE RIVER ARSENIC notes9 Years 01/01/2020 - 12/31/2028 969 1 incomplete07/05/2018
EP-A  EP FOR ROGUE RIVER IOC notes9 Years 01/01/2020 - 12/31/2028 969 1 incomplete07/05/2018
EP-A  EP FOR ROGUE RIVER NITRATE  Yearly 01/01/2026 - 12/31/2026 238 1 incomplete10/24/2025
EP-A  EP FOR ROGUE RIVER NITRITE notes9 Years 01/01/2020 - 12/31/2028 969 1 incomplete07/05/2018
EP-A  EP FOR ROGUE RIVER PFAS notesQuarterly 04/01/2026 - 06/30/2026 54 1 incomplete
  Initial monitoring - 4 quarters only
EP-A  EP FOR ROGUE RIVER RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,160 1 incomplete10/01/2021
EP-A  EP FOR ROGUE RIVER RAD - RADIUM 226/228notes9 Years 01/01/2026 - 12/31/2034 3,160 1 incomplete10/01/2021
EP-A  EP FOR ROGUE RIVER RAD - URANIUM notes9 Years 01/01/2026 - 12/31/2034 3,160 1 incomplete10/01/2021
EP-A  EP FOR ROGUE RIVER SOC notes3 Years 01/01/2026 - 12/31/2028 969 2 incomplete10/24/2025
EP-A  EP FOR ROGUE RIVER VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 238 1 incomplete10/24/2025
SRC-AA  ROGUE RIVER CYANOTOXINS  2 Weeks 05/03/2026 - 05/16/2026 9 1 incomplete
  Seasonal sampling period:   05/01   thru   10/31
WTP-A  TP FOR ROGUE RIVERTOTAL ORGANIC CARBONnotesQuarterly04/01/2026 - 06/30/2026 54 1 incomplete 02/25/2026

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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  Monthly01/01/200206/30/20111Raw and filtered TOC and alkalinity
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Quarterly01/01/200201/31/20024Reflects 4 RT Samples Per QT Per WTP
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Quarterly01/01/200309/30/20134Reflects 4 RT Samples Per QT Per WTP
EP-A  EP FOR ROGUE RIVERARSENIC  Yearly01/01/200212/31/20101
WTP-A  TP FOR ROGUE RIVERTOTAL ORGANIC CARBON  Monthly01/01/200206/30/20111Post Filtration TOC

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