OHA Drinking Water Services
OR41
PWS ID: 00926 ---- WALDPORT, CITY OF
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
9/7/2023  -  9/8/2023 10 3 years 0 0
9/7/2023  -  9/8/20239/22/2023 10 3 years 0 0
9/24/2020  -  9/25/2020 10 3 years 0 0.107
9/24/2020  -  9/25/202010/16/2020 10 3 years 0 0.107
9/11/2017  -  9/12/2017 10 3 years 0 0.152
9/11/2017  -  9/12/20179/27/2017 10 3 years 0.0039 0.152
9/16/2014  10 3 years 0 0.157
9/16/2014  10/2/2014 10 3 years 0.0022 0.157
9/13/2011  10/5/2011 10 3 years 0.0022 0.140
8/25/2008  -  8/26/200810/8/2008 10 3 years 0 0
8/16/2005  9/9/2005 10 3 years 0 0
9/16/2002  -  9/17/200210/7/2002 10 3 years 0 0.210
1/1/1999  -  5/11/19997/8/1999 20 6 months 0.0010 0.025
1/1/1998  -  5/27/19987/7/1998 20 6 months 0.0026 0.573
1/1/1996  -  8/7/19969/9/1996 10 1 year 0.0074 1.562
1/1/1995  -  8/14/199510/11/1995 10 1 year 0.0053 0.924
1/1/1994  -  3/29/19947/14/1994 20 6 months 0.0057 0.850
7/1/1993  -  7/28/19931/27/1994 20 6 months 0.0095 0.890


More information for this water system: SDWIS ID 4000
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