OHA Drinking Water Services
OR41
PWS ID: 00457 ---- LAKE OSWEGO MUNICIPAL WATER
System Information     Schedule Counts
Status:  Active
System Type:  Community
Population Served:  40,000		 Active:  3     Show Only Active
Inactive:  13
Expired:  24  Show Expired
                     Show All

Routine Sampling Schedules For Chemicals
Facility
ID		 Name Status Test Group Samples
Required		    Sampling
Interval		 Start End    Notes
DIST-A DISTRIBUTION SYSTEMAASBESTOS, DIST1  9 Years01/01/2002OpenSchedule Reflects Monitoring Reduction Granted
DIST-A DISTRIBUTION SYSTEMALEAD & COPPER30  3 Years01/01/2015OpenSample Between June 1st and Sept 30th
DIST-A DISTRIBUTION SYSTEMASTAGE 2 DBP2  Quarterly07/01/2022OpenSample in Feb, May, Aug & Nov
Inactive Facility Schedules
CH-ACOMMON HEADER FOR WTP-AITOC & ALKALINITY1  Monthly07/01/201912/31/2019
EP-AEP FOR CLACKAMAS RIVERIARSENIC1  9 Years01/01/200812/31/2016
EP-AEP FOR CLACKAMAS RIVERIARSENIC1  Yearly01/01/200212/31/2007
EP-AEP FOR CLACKAMAS RIVERIIOC1  9 Years01/01/200212/31/2019Schedule Reflects Monitoring Reduction Granted
EP-AEP FOR CLACKAMAS RIVERINITRATE1  Yearly01/01/200212/31/2019
EP-AEP FOR CLACKAMAS RIVERINITRITE1  9 Years01/01/200212/31/2019Schedule Reflects Monitoring Reduction Granted
EP-AEP FOR CLACKAMAS RIVERIRAD - GROSS ALPHA1  9 Years01/01/200812/31/2016Schedule Reflects Monitoring Reduction Granted
EP-AEP FOR CLACKAMAS RIVERIRAD - RADIUM 226/2281  9 Years01/01/200812/31/2016Schedule Reflects Monitoring Reduction Granted
EP-AEP FOR CLACKAMAS RIVERIRAD - URANIUM1  9 Years01/01/200812/31/2016Schedule Reflects Monitoring Reduction Granted
EP-AEP FOR CLACKAMAS RIVERISOC2  3 Years01/01/200212/31/20132 Consec. QT Samples
EP-AEP FOR CLACKAMAS RIVERISOC2  3 Years01/01/201412/31/20192 Consec. QT Samples
EP-AEP FOR CLACKAMAS RIVERIVOLATILE ORGANICS1  Yearly01/01/200212/31/2019
SRC-AACLACKAMAS RIVERICYANOTOXINS1  2 Weeks07/15/201812/31/2019

More information for this water system: SDWIS ID 4106
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