OHA Drinking Water Services
OR41
PWS ID: 00939 ---- WESTFIR, 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
9/26/2024  5 3 years 0 0
9/26/2024  10/2/2024 5 3 years 0.0027 0
8/12/2021  5 3 years 0 0
8/12/2021  9/1/2021 5 3 years 0.0095 0
8/9/2018  5 3 years 0 0.135
8/9/2018  8/17/2018 5 3 years 0.0082 0.135
8/27/2015  5 3 years 0 0
8/27/2015  9/9/2015 5 3 years 0.0029 0
8/15/2012  5 3 years 0 0.060
8/15/2012  8/24/2012 5 3 years 0.0130 0.060
9/1/2009  9/11/2009 5 3 years 0 0.030
12/7/2006  12/18/2006 5 6 months 0 0.012
2/7/2006  2/17/2006 5 6 months 0 0.034
8/16/2005  9/6/2005 5 3 years 0.0180 0.149
9/24/2002  10/7/2002 10 1 year 0.0060 0.024
1/1/2001  -  5/16/20016/5/2001 5 1 year 0.0050 0.028
1/1/1997  -  10/1/199710/16/1997 5 1 year 0.0070 0.012
1/1/1994  -  5/24/19946/15/1994 10 6 months 0.0051 0
7/1/1993  -  9/28/199311/10/1993 10 6 months 0.0044 0


More information for this water system: SDWIS ID 4001
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