OHA Drinking Water Services
OR41
PWS ID: 05581 ---- WEISS ESTATES WATER SYSTEM
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
1/30/2023  2/10/2023 5 6 months 0.0014 1.460
6/12/2022  7/26/2022 5 3 years 0.0017 1.390
6/18/2019  6/25/2019 5 3 years 0.0017 0.575 7/15/2019
7/11/2016  7/19/2016 5 3 years 0.0031 1.150
9/9/2013  9/25/2013 5 3 years 0 0
9/24/2009  10/8/2009 5 3 years 0.0029 0.444
4/24/2006  5/22/2006 5 3 years 0.0009 0.767
1/1/1999  -  12/1/199912/16/1999 5 1 year 0.0037 0.958
1/1/1998  -  4/2/19984/20/1998 5 6 months 0.0012 0.800
1/1/1997  -  2/4/19972/27/1997 5 6 months 0.0110 1.960


More information for this water system: SDWIS ID 3923
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