OHA Drinking Water Services
OR41
PWS ID: 00118 ---- FOUR SEASONS MHP
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
6/13/2023  -  6/14/20236/23/2023 5 3 years 0 0.007
9/9/2020  -  9/12/20209/24/2020 5 3 years 0.0010 0.013
7/27/2017  8/10/2017 5 3 years 0 0
8/28/2014  -  8/29/201410/9/2014 5 3 years 0 0
8/30/2011  1/9/2012 5 3 years 0 0.029
12/10/2007  2/14/2008 5 3 years 0 0
9/14/2004  9/30/2004 5 3 years 0.0025 0.079
1/1/1999  -  12/16/19994/5/2000 5 1 year 0.0030 0
1/1/1997  -  9/13/199710/21/1997 5 1 year 0 0
1/1/1995  -  9/21/199510/13/1995 5 1 year 0 0
1/1/1994  -  6/25/19947/22/1994 5 6 months 0.0008 0.005
7/1/1993  -  9/9/199311/9/1993 5 6 months 0 0


More information for this water system: SDWIS ID 3709
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