OHA Drinking Water Services
OR41
PWS ID: 00932 ---- WARRENTON, CITY OF
System Information     Schedule Counts
Status:  Active
System Type:  Community
Population Served:  9,100		 Active:  13     Show Only Active
Inactive:  0
Expired:  8

Routine Sampling Schedules For Chemicals
Facility
ID		 Name Status Test Group Samples
Required		    Sampling
Interval		 Start End    Notes
CH-A COMMON HEADER FOR WTP-AATOTAL ORGANIC CARBON1  Quarterly01/01/2015Open
DIST-A DISTRIBUTION SYSTEMAASBESTOS, DIST1  9 Years01/01/2014Open
DIST-A DISTRIBUTION SYSTEMALEAD & COPPER20  3 Years01/01/2005OpenSample Between June 1st and Sept 30th
DIST-A DISTRIBUTION SYSTEMASTAGE 2 DBP2  Yearly01/01/2015OpenSample in November
EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK)AARSENIC1  9 Years01/01/2011OpenSchedule Reflects Monitoring Reduction Granted
EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK)AIOC1  9 Years01/01/2002OpenSchedule Reflects Monitoring Reduction Granted
EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK)ANITRATE1  Yearly01/01/2002OpenR&C below the MCL for NO3.
EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK)ANITRITE1  9 Years01/01/2002OpenSchedule Reflects Monitoring Reduction Granted
EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK)ARAD - GROSS ALPHA1  9 Years01/01/2008OpenSchedule Reflects Monitoring Reduction Granted.
EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK)ARAD - RADIUM 226/2281  9 Years01/01/2008OpenSchedule Reflects Monitoring Reduction Granted.
EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK)ARAD - URANIUM1  9 Years01/01/2008OpenSchedule Reflects Monitoring Reduction Granted.
EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK)ASOC2  3 Years01/01/2002Open2 Consec. QT Samples
EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK)AVOLATILE ORGANICS1  Yearly01/01/2002OpenR&C Below the MCL for Xylenes as of 3/17/04.
Expired Schedules
CH-ACOMMON HEADER FOR WTP-AACYANOTOXINS1  2 Weeks07/15/201801/24/2019
CH-ACOMMON HEADER FOR WTP-AATOTAL ORGANIC CARBON1  Monthly01/01/200409/30/2013Raw Water TOC Only Required for Reduction in DBP Monitoring
CH-ACOMMON HEADER FOR WTP-AATOTAL ORGANIC CARBON1  Monthly10/01/201312/31/2014Monthly Raw Water TOC Sampling Required Only if Seeking DBP Reduction to Annual Schedule.
DIST-ADISTRIBUTION SYSTEMAHAA5 & TTHM1  Quarterly01/01/200412/31/2007After Treatment 2007 Results Indicate R&C Below MCL
DIST-ADISTRIBUTION SYSTEMAHAA5 & TTHM1  Yearly01/01/200809/30/2013Sample between June 1 and Sept. 30. Monitoring reduction granted.
DIST-ADISTRIBUTION SYSTEMALEAD & COPPER40  6 Months01/01/200312/31/2003
DIST-ADISTRIBUTION SYSTEMASTAGE 2 DBP2  Quarterly10/01/201312/31/2014Sample in Nov, Feb, May, and Aug
EP-AEP FOR WTP (LEWIS & CLARK RIVER/CREEK)AARSENIC1  Yearly01/01/200212/31/2008

More information for this water system: SDWIS ID 3918
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