OHA Drinking Water Services
OR41
PWS ID: 93762 ---- CENTENNIAL ADMIN OFFICES ---- INACTIVE
Lead & Copper

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Detailed Results
Corrosion Control
Service Lines
90th Percentile Summary Results

Sample Dates Date
Received		 Sample
Count		 Frequency Lead
(mg/L)		 Copper
(mg/L)		 Consumer
Notice Date
1/1/1999  -  11/12/19992/11/2000 5 3 years 0.1630 2.000
1/1/1996  -  6/2/199811/2/1998 5 3 years 0.0093 0.855
1/1/1997  -  6/10/19978/26/1997 5 1 year 0.0006 1.413
1/1/1996  -  8/19/199611/6/1996 5 1 year 0 0.528
1/1/1995  -  12/24/19953/18/1996 5 1 year 0 0.643
1/1/1995  -  6/29/19957/24/1995 5 6 months 0.0016 0.516
7/1/1994  -  10/13/19942/3/1995 5 6 months 0 1.930


More information for this water system: SDWIS ID 1441
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