OHA Drinking Water Services
OR41
PWS ID: 00513 ---- MEDFORD WATER COMMISSION

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-B  COMMON HEADER FOR WTP-B TOC & ALKALINITY  Quarterly 01/01/2026 - 03/31/2026 40 1 incomplete10/06/2025
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2027 - 12/31/2027   50 12/31/2024
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesQuarterly 01/01/2026 - 03/31/2026 40 4 incomplete09/04/2025
EP-A  EP FOR 1927 INTAKE ARSENIC notes3 Years 01/01/2026 - 12/31/2028 1,046 1 incomplete01/27/2023
EP-A  EP FOR 1927 INTAKE IOC  3 Years 01/01/2026 - 12/31/2028 1,046 1 incomplete01/27/2023
EP-A  EP FOR 1927 INTAKE NITRATE  Yearly 01/01/2026 - 12/31/2026 315 1 incomplete08/07/2025
EP-A  EP FOR 1927 INTAKE NITRITE  3 Years 01/01/2026 - 12/31/2028 1,046 1 incomplete01/27/2023
EP-A  EP FOR 1927 INTAKE RAD - GROSS ALPHA  9 Years 01/01/2023 - 12/31/2031 2,141 1 incomplete06/09/2020
EP-A  EP FOR 1927 INTAKE RAD - RADIUM 226/228 9 Years 01/01/2023 - 12/31/2031 2,141 1 incomplete06/09/2020
EP-A  EP FOR 1927 INTAKE RAD - URANIUM  9 Years 01/01/2023 - 12/31/2031 2,141 1 incomplete06/09/2020
EP-A  EP FOR 1927 INTAKE SOC  3 Years 01/01/2026 - 12/31/2028 1,046 2 incomplete08/07/2025
EP-A  EP FOR 1927 INTAKE VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,046 1 incomplete08/07/2025
EP-B  EP FOR ROGUE RIVERBROMATE notesQuarterly01/01/2026 - 03/31/2026 40 1 incomplete 10/06/2025
 Seasonal sampling period:  05/01  thru  09/30
EP-B  EP FOR ROGUE RIVER ARSENIC  9 Years01/01/2020 - 12/31/2028 1,046 1 done 06/25/2020
EP-B  EP FOR ROGUE RIVER IOC notes9 Years01/01/2020 - 12/31/2028 1,046 1 done 06/25/2020
EP-B  EP FOR ROGUE RIVER NITRATE  Yearly 01/01/2026 - 12/31/2026 315 1 incomplete08/07/2025
EP-B  EP FOR ROGUE RIVER NITRITE notes9 Years01/01/2020 - 12/31/2028 1,046 1 done 06/25/2020
EP-B  EP FOR ROGUE RIVER RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,237 1 incomplete06/09/2020
EP-B  EP FOR ROGUE RIVER RAD - RADIUM 226/228 9 Years01/01/2020 - 12/31/2028 1,046 1 done 06/09/2020
EP-B  EP FOR ROGUE RIVER RAD - URANIUM  9 Years01/01/2020 - 12/31/2028 1,046 1 done 06/09/2020
EP-B  EP FOR ROGUE RIVER SOC notes3 Years 01/01/2026 - 12/31/2028 1,046 2 incomplete08/07/2025
EP-B  EP FOR ROGUE RIVER VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 315 1 incomplete08/07/2025
EP-C  EP FOR EAST INTAKE & SPRINGS ARSENIC notes3 Years 01/01/2026 - 12/31/2028 1,046 1 incomplete01/27/2023
EP-C  EP FOR EAST INTAKE & SPRINGS IOC notes3 Years 01/01/2026 - 12/31/2028 1,046 1 incomplete01/27/2023
EP-C  EP FOR EAST INTAKE & SPRINGS NITRATE  Yearly 01/01/2026 - 12/31/2026 315 1 incomplete08/07/2025
EP-C  EP FOR EAST INTAKE & SPRINGS NITRITE notes3 Years 01/01/2026 - 12/31/2028 1,046 1 incomplete01/27/2023
EP-C  EP FOR EAST INTAKE & SPRINGS RAD - GROSS ALPHA  9 Years 01/01/2023 - 12/31/2031 2,141 1 incomplete10/06/2020
EP-C  EP FOR EAST INTAKE & SPRINGS RAD - RADIUM 226/228 9 Years 01/01/2023 - 12/31/2031 2,141 1 incomplete10/06/2020
EP-C  EP FOR EAST INTAKE & SPRINGS RAD - URANIUM  9 Years 01/01/2023 - 12/31/2031 2,141 1 incomplete10/06/2020
EP-C  EP FOR EAST INTAKE & SPRINGS SOC  3 Years 01/01/2026 - 12/31/2028 1,046 2 incomplete08/07/2025
EP-C  EP FOR EAST INTAKE & SPRINGS VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,046 1 incomplete08/07/2025
SRC-BA  ROGUE RIVER CYANOTOXINS  2 Weeks-- -- -- -- --10/27/2025
 Seasonal sampling period:  05/01  thru  10/31
WTP-B  TP FOR ROGUE RIVERTOTAL ORGANIC CARBONnotesQuarterly01/01/2026 - 03/31/2026 40 1 incomplete 08/05/2025
 Seasonal sampling period:  06/01  thru  09/30

6  secs
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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
CH-B  COMMON HEADER FOR WTP-BTOC & ALKALINITY  Monthly01/01/200206/30/20101
DIST-A  DISTRIBUTION SYSTEMASBESTOS, DIST  9 Years01/01/200204/17/20031Schedule Reflects Monitoring Reduction Granted
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Quarterly01/01/200212/31/20021Schedule Reflects Monitoring Reduction Granted - SW sample between April 1 & June 30
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Quarterly01/01/200212/31/20021Schedule Reflects Monitoring Reduction Granted - SW sample between October 1 & December 31
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Quarterly01/01/200212/31/20022Schedule Reflects Monitoring Reduction Granted - SW & GW sample between July 1 & September 30
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Quarterly01/01/200309/30/20121take 1 sample in 2nd and 4th Quarters - take 2 samples in 3rd quarter.
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/200212/31/202330Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months01/01/202406/30/202460
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months07/01/202412/31/202460
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Quarterly10/01/201209/30/20138
EP-A  EP FOR 1927 INTAKERAD - GROSS ALPHA  Quarterly01/01/202006/30/20201initial monitoring
EP-A  EP FOR 1927 INTAKERAD - RADIUM 226/228  Quarterly01/01/202006/30/20201initial monitoring
EP-A  EP FOR 1927 INTAKERAD - URANIUM  Quarterly01/01/202006/30/20201initial monitoring
EP-A  EP FOR 1927 INTAKESOC  Yearly01/01/202012/31/20251initial monitoring
EP-A  EP FOR 1927 INTAKEVOLATILE ORGANICS  Yearly01/01/202012/31/20251initial monitoring
EP-A OLD  EP FOR COAL MINE SAMPLING STATIONARSENIC  3 Years01/01/200203/31/20031
EP-A OLD  EP FOR COAL MINE SAMPLING STATIONARSENIC  9 Years01/01/201112/31/20181
EP-A OLD  EP FOR COAL MINE SAMPLING STATIONIOC  9 Years01/01/200212/31/20181Schedule Reflects Monitoring Reduction Granted
EP-A OLD  EP FOR COAL MINE SAMPLING STATIONNITRITE  9 Years01/01/200212/31/20181Schedule Reflects Monitoring Reduction Granted
EP-A OLD  EP FOR COAL MINE SAMPLING STATIONRAD - GROSS ALPHA  9 Years01/01/200812/31/20181
EP-A OLD  EP FOR COAL MINE SAMPLING STATIONRAD - RADIUM 226/228  6 Years01/01/200812/31/20181
EP-A OLD  EP FOR COAL MINE SAMPLING STATIONRAD - URANIUM  6 Years01/01/200812/31/20181
EP-A OLD  EP FOR COAL MINE SAMPLING STATIONSOC  3 Years01/01/200212/31/20182Sample in 2 Consecutive Quarters
EP-A OLD  EP FOR COAL MINE SAMPLING STATIONVOLATILE ORGANICS  3 Years01/01/200212/31/20181
EP-B  EP FOR ROGUE RIVERARSENIC  Yearly01/01/200203/31/20041
EP-B  EP FOR ROGUE RIVERBROMATE   Monthly01/01/200209/30/20131Sample monthly between June 1 and Sept 30.
EP-B  EP FOR ROGUE RIVERRAD - RADIUM 226/228  6 Years01/01/200812/31/20181
EP-B  EP FOR ROGUE RIVERRAD - URANIUM  6 Years01/01/200812/31/20181
EP-C  EP FOR EAST INTAKE & SPRINGSRAD - GROSS ALPHA  Quarterly01/01/202012/31/20201initial monitoring
EP-C  EP FOR EAST INTAKE & SPRINGSRAD - RADIUM 226/228  Quarterly01/01/202012/31/20201initial monitoring
EP-C  EP FOR EAST INTAKE & SPRINGSRAD - URANIUM  Quarterly01/01/202012/31/20201initial monitoring
EP-C  EP FOR EAST INTAKE & SPRINGSSOC  Yearly01/01/202012/31/20251initial monitoring
EP-C  EP FOR EAST INTAKE & SPRINGSVOLATILE ORGANICS  Yearly01/01/202012/31/20251initial monitoring
WTP-B  TP FOR ROGUE RIVERTOTAL ORGANIC CARBON  Monthly01/01/200206/30/20101Post Filtration TOC

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