OHA Drinking Water Services
OR41
PWS ID: 00702 ---- RHODODENDRON WTR ASSOC
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
9/18/2024  -  9/27/202410/8/2024 10 1 year 0.0055 0.146
9/19/2023  -  9/27/202310/10/2023 10 1 year 0.0030 0.075
9/19/2022  -  9/28/202210/7/2022 10 1 year 0.0030 0.057
9/7/2021  -  9/20/20219/27/2021 10 1 year 0.0050 0
9/22/2020  -  9/23/202010/5/2020 10 1 year 0.0020 0.089
8/18/2019  -  10/11/201910/24/2019 20 6 months 0.0050 0.047
6/19/2019  -  6/27/20197/18/2019 20 6 months 0.0064 0.085
9/17/2016  -  9/29/201610/11/2016 10 3 years 0.0049 0.233
7/24/2013  -  8/2/20138/13/2013 10 3 years 0.0049 0.175
9/18/2010  -  9/25/201010/20/2010 10 3 years 0.0053 0.250
9/9/2003  -  1/31/20043/9/2004 10 1 year 0.0050 0.120
10/20/2002  -  10/23/200211/8/2002 5 1 year 0.0030 0.111
7/1/2001  6/29/2001 20 6 months 0.0040 0.050
1/1/2001  -  1/25/20012/2/2001 20 6 months 0 0
7/1/1999  -  11/23/199912/3/1999 20 6 months 0 0.005
7/1/1994  -  11/15/199411/30/1994 20 6 months 0.0040 0


More information for this water system: SDWIS ID 3987
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