OHA Drinking Water Services
OR41
PWS ID: 00668 ---- ROCKWOOD PUD

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 notesYearly 01/01/2025 - 12/31/2025 331 30 incomplete06/12/2024
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesQuarterly 01/01/2025 - 03/31/2025 56 8 incomplete11/04/2024
EP-C  EP FOR TREATED CASCADE WELLS ARSENIC  3 Years 01/01/2023 - 12/31/2025 331 1 incomplete02/09/2022
EP-C  EP FOR TREATED CASCADE WELLS IOC  3 Years 01/01/2023 - 12/31/2025 331 1 incomplete02/09/2022
EP-C  EP FOR TREATED CASCADE WELLS NITRATE  Yearly 01/01/2025 - 12/31/2025 331 1 incomplete07/31/2024
EP-C  EP FOR TREATED CASCADE WELLS NITRITE  3 Years 01/01/2023 - 12/31/2025 331 1 incomplete02/09/2022
EP-C  EP FOR TREATED CASCADE WELLS RAD - GROSS ALPHA notes9 Years 01/01/2023 - 12/31/2031 2,522 1 incomplete12/07/2020
EP-C  EP FOR TREATED CASCADE WELLS RAD - RADIUM 226/228notes9 Years 01/01/2023 - 12/31/2031 2,522 1 incomplete12/07/2020
EP-C  EP FOR TREATED CASCADE WELLS RAD - URANIUM notes9 Years 01/01/2023 - 12/31/2031 2,522 1 incomplete12/07/2020
EP-C  EP FOR TREATED CASCADE WELLS SOC notes3 Years 01/01/2023 - 12/31/2025 331 2 incomplete04/13/2022
EP-C  EP FOR TREATED CASCADE WELLS VOLATILE ORGANICS notes3 Years 01/01/2023 - 12/31/2025 331 1 incomplete02/09/2022

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Quarterly01/01/200212/31/20051Schedule Reflects Monitoring Reduction Granted
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Quarterly01/01/200603/31/20122
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months01/01/200206/30/2017100Schedule Reflects PWB Joint Monitoring Plan
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months07/01/201706/30/201860
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months07/01/202212/31/202360
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  Yearly01/01/201912/31/202130Collect samples between June 1 and September 30.
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Quarterly01/01/201406/30/20144Sample in Feb, May, Aug and Nov
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Quarterly01/01/201912/31/20238Sample in Feb, May, Aug, and Nov
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Quarterly04/01/201212/31/20138Sample in Feb, May, Aug & Nov
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Quarterly07/01/201406/30/20188Sample in Feb, May, August and November
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Quarterly07/01/201812/31/20184Collect dual sample sets at sites 1, 4, 6 & 7 in Feb, May, Aug & Nov.
EP-B  EP FOR CASCADE WELLS & PWB (BLENDED)ARSENIC  9 Years01/01/201112/31/20161Schedule Reflects Monitoring Reduction Granted
EP-B  EP FOR CASCADE WELLS & PWB (BLENDED)ARSENIC  Yearly01/01/200612/31/20101
EP-B  EP FOR CASCADE WELLS & PWB (BLENDED)IOC  9 Years01/01/201112/31/20161Schedule Reflects Monitoring Reduction Granted
EP-B  EP FOR CASCADE WELLS & PWB (BLENDED)IOC  Yearly01/01/200612/31/20101
EP-B  EP FOR CASCADE WELLS & PWB (BLENDED)NITRATE  Yearly01/01/200510/24/20171
EP-B  EP FOR CASCADE WELLS & PWB (BLENDED)NITRITE  3 Years01/01/200612/31/20071
EP-B  EP FOR CASCADE WELLS & PWB (BLENDED)NITRITE  3 Years01/01/200812/31/20101
EP-B  EP FOR CASCADE WELLS & PWB (BLENDED)NITRITE  9 Years01/01/201112/31/20161Schedule Reflects Monitoring Reduction Granted
EP-B  EP FOR CASCADE WELLS & PWB (BLENDED)RAD - GROSS ALPHA  6 Years01/01/200812/31/20131
EP-B  EP FOR CASCADE WELLS & PWB (BLENDED)RAD - RADIUM 226/228  9 Years01/01/200812/31/20131
EP-B  EP FOR CASCADE WELLS & PWB (BLENDED)RAD - URANIUM  6 Years01/01/200812/31/20131
EP-B  EP FOR CASCADE WELLS & PWB (BLENDED)SOC  3 Years01/01/200612/31/200722 consecutive qtrly samples
EP-B  EP FOR CASCADE WELLS & PWB (BLENDED)SOC  3 Years01/01/200812/31/201622 consecutive qtrly samples
EP-B  EP FOR CASCADE WELLS & PWB (BLENDED)VOLATILE ORGANICS  Yearly01/01/200610/24/20171
EP-C  EP FOR TREATED CASCADE WELLSRAD - GROSS ALPHA  Quarterly04/01/201106/30/20111
EP-C  EP FOR TREATED CASCADE WELLSRAD - RADIUM 226/228  Quarterly04/01/201106/30/20111
EP-C  EP FOR TREATED CASCADE WELLSRAD - URANIUM  Quarterly04/01/201106/30/20111
EP-C  EP FOR TREATED CASCADE WELLSSOC  Yearly01/01/201112/31/20131
EP-C  EP FOR TREATED CASCADE WELLSVOLATILE ORGANICS  Yearly01/01/201112/31/20131

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More information for this water system: SDWIS ID 4107
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