OHA Drinking Water Services
OR41
PWS ID: 01358 ---- WESTERN HEIGHTS WATER COMPANY
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
7/19/2023  5 3 years 0 0.071
7/19/2023  8/4/2023 5 3 years 0.0018 0.071 8/10/2023
8/5/2020  5 3 years 0 0.079
8/5/2020  9/29/2020 5 3 years 0 0.079 8/26/2020
8/23/2017  5 3 years 0 0.074
8/23/2017  10/2/2017 5 3 years 0 0.074 10/16/2017
9/24/2014  5 3 years 0 0.100
9/24/2014  10/10/2014 5 3 years 0 0.100
9/14/2011  10/19/2011 5 3 years 0 0.421
9/24/2008  11/6/2008 5 3 years 0.0013 0.209
9/21/2005  10/24/2005 5 3 years 0 0
10/9/2002  1/21/2003 5 1 year 0.0020 0.293
1/1/1998  -  12/16/19981/28/1999 5 1 year 0.0020 0.360
1/1/1997  -  10/21/19973/18/1998 5 1 year 0.0024 0.530
1/1/1996  -  3/5/19964/25/1996 5 6 months 0.0013 0.535
1/1/1993  -  6/24/19937/23/1993 5 6 months 0.0015 0.440


More information for this water system: SDWIS ID 3846
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