OHA Drinking Water Services
OR41
PWS ID: 00630 ---- ALDER CREEK BARLOW WATER DIST
Lead & Copper

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90th Percentile Summary Results

Sample Dates Date
Received		 Sample
Count		 Frequency Lead
(mg/L)		 Copper
(mg/L)		 Consumer
Notice Date
6/21/2023  6/27/2023 5 3 years 0.0004 0.099
8/19/2020  8/25/2020 5 3 years 0.0010 0.008
9/11/2017  9/22/2017 5 3 years 0.0007 0.003
9/19/2014  9/29/2014 5 3 years 0.0020 0.011
9/14/2011  -  9/15/201110/5/2011 5 3 years 0.0062 0.145
9/24/2008  10/7/2008 5 3 years 0.0090 0.325
1/1/2000  -  12/21/20001/2/2001 5 1 year 0.0070 0.750
1/1/1997  -  12/20/19971/23/1998 5 1 year 0.0200 0.540
1/1/1995  -  9/25/199510/25/1995 5 1 year 0.0050 0.850
1/1/1994  -  4/18/199411/8/1994 10 6 months 0.0130 0.830
7/1/1993  -  12/22/199311/8/1994 10 6 months 0.0100 0.960


More information for this water system: SDWIS ID 4052
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