OHA Drinking Water Services
OR41
PWS ID: 00304 ---- ALDERWOOD WATER DEV CO
System Information     Schedule Counts
Status:  ACTIVE
System Type:  Community
Population Served:  34
 Active:  11     Show Only Active
Inactive:  0
Expired:  9

Routine Sampling Schedules For Chemicals
Facility
ID
Name Status Test Group Samples
Required
   Sampling
Interval
Start End    Notes
DIST-A Distribution SystemALEAD & COPPER5  6 Months07/01/2024Open
DIST-A Distribution SystemASTAGE 2 DBP1  Yearly01/01/2022OpenCollect one dual sample set every August at 5600 Alder Ct.
EP-A EP FOR WOAHINK LAKEAARSENIC1  9 Years01/01/2011Open
EP-A EP FOR WOAHINK LAKEAIOC1  9 Years01/01/2005OpenSchedule Reflects Monitoring Reduction Granted.
EP-A EP FOR WOAHINK LAKEANITRATE1  Yearly01/01/2002Open
EP-A EP FOR WOAHINK LAKEANITRITE1  9 Years01/01/2005OpenSchedule Reflects Monitoring Reduction Granted.
EP-A EP FOR WOAHINK LAKEARAD - GROSS ALPHA1  9 Years01/01/2008OpenSchedule Reflects Monitoring Reduction Granted.
EP-A EP FOR WOAHINK LAKEARAD - RADIUM 226/2281  9 Years01/01/2008OpenSchedule Reflects Monitoring Reduction Granted.
EP-A EP FOR WOAHINK LAKEARAD - URANIUM1  9 Years01/01/2008OpenSchedule Reflects Monitoring Reduction Granted.
EP-A EP FOR WOAHINK LAKEASOC1  3 Years01/01/2002Open
EP-A EP FOR WOAHINK LAKEAVOLATILE ORGANICS1  Yearly01/01/2002Open
Expired Schedules
DIST-ADistribution SystemAASBESTOS, DIST1  9 Years01/01/200212/31/2018removed asbestos pipe -12/10/2019
DIST-ADistribution SystemAHAA5 & TTHM1  Yearly01/01/200412/31/2013Sample between June 1 and Sept. 30.
DIST-ADistribution SystemALEAD & COPPER5  3 Years01/01/200212/31/2023Sample Between June 1st and Sept 30th
DIST-ADistribution SystemASTAGE 2 DBP1  Quarterly01/01/201512/31/2021Increased monitoring due to results over the MCL for TTHM. Collect one dual sample set every quarter.
DIST-ADistribution SystemASTAGE 2 DBP1  Yearly01/01/201412/31/2014Sample in August
EP-AEP FOR WOAHINK LAKEAARSENIC1  Yearly01/01/200212/31/2008
EP-AEP FOR WOAHINK LAKEAIOC1  Yearly01/01/200212/31/2004
EP-AEP FOR WOAHINK LAKEANITRITE1  3 Years01/01/200212/31/2004
SRC-AAWOAHINK LAKEACYANOTOXINS1  2 Weeks07/15/201801/24/2019


More information for this water system: SDWIS ID 3954
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