OHA Drinking Water Services
OR41
PWS ID: 00816 ---- SHERWOOD, 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
9/21/2022  -  9/29/202210/7/2022 31 3 years 0 0
9/17/2019  -  9/26/201910/3/2019 40 3 years 0 0
9/10/2016  -  9/29/201610/6/2016 33 3 years 0 0
6/12/2013  -  6/27/20137/8/2013 67 6 months 0 0
12/5/2012  -  12/31/20121/22/2013 69 6 months 0 0
5/9/2012  -  5/23/20127/10/2012 112 6 months 0.0110 0.270
10/11/2011  -  10/24/201112/8/2011 111 6 months 0.0120 0.290
4/27/2011  -  5/17/20117/7/2011 114 6 months 0.0090 0.270
10/14/2010  -  10/22/20101/7/2011 112 6 months 0.0120 0.340
4/2/2010  -  5/10/20107/8/2010 110 6 months 0.0100 0.330
10/14/2009  -  10/26/20091/8/2010 115 6 months 0.0090 0.370
5/8/2009  -  5/21/20097/9/2009 113 6 months 0.0100 0.270
7/1/2008  -  12/31/20081/9/2009 116 6 months 0.0100 0.010
11/17/2007  -  12/7/20071/10/2008 111 6 months 0.0110 0.280
5/17/1907  -  6/1/20077/10/2007 116 6 months 0.0130 0.280
10/19/2006  -  11/2/20061/10/2007 116 6 months 0.0170 0.500
5/22/2006  -  5/26/20067/10/2006 117 6 months 0.0090 0.310
10/15/2005  -  10/31/200512/9/2005 115 6 months 0.0120 0.350
5/18/2005  -  6/1/20057/8/2005 119 6 months 0.0150 0.390
10/19/2004  -  11/22/200412/30/2004 111 6 months 0.0150 0.042
5/2/2004  -  6/25/20047/9/2004 123 6 months 0.0080 0.360
10/21/2003  -  11/4/200312/10/2003 110 6 months 0.0080 0.330
5/10/2003  -  6/30/20037/11/2003 113 6 months 0.0104 0.345
9/15/2002  -  9/18/20025/7/2003 37 3 years 0.0180 0.040
1/1/2001  -  9/6/200112/4/2001 30 1 year 0.0130 0.300
1/1/2000  -  11/13/200012/1/2000 30 1 year 0.0060 0.500
1/1/1994  -  9/22/199410/12/1994 30 1 year 0.0030 0.690
7/1/1993  -  9/11/199310/11/1993 60 6 months 0.0030 0.800
7/1/1992  -  11/1/199212/1/1992 60 6 months 0.0090 1.120


More information for this water system: SDWIS ID 3437
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