OHA Drinking Water Services
OR41
PWS ID: 90575 ---- HARPER HIGH/ELEMENTARY SD 66
Lead & Copper

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Summary Results
Detailed Results
Corrosion Control
Service Lines
90th Percentile Summary Results

Sample Dates Date
Received		 Sample
Count		 Frequency Lead
(mg/L)		 Copper
(mg/L)		 Consumer
Notice Date
9/7/2022  9/30/2022 5 3 years 0.0046 0.128
9/11/2019  10/9/2019 5 3 years 0.0070 0.017
6/15/2016  7/25/2016 5 3 years 0.0053 0.357
9/18/2013  10/7/2013 5 3 years 0.0005 0.145
7/26/2010  9/27/2010 5 3 years 0.0069 0.107
5/23/2007  8/17/2007 5 3 years 0.0036 0.010
3/10/2004  4/5/2004 5 3 years 0.0015 0
1/1/1999  -  3/14/20014/18/2001 5 3 years 0 0.005
1/1/1998  -  10/12/199812/2/1998 5 1 year 0 0.010
1/1/1996  -  12/17/19961/9/1997 5 1 year 0 0.060
1/1/1995  -  6/28/19953/20/1996 5 1 year 0 0.150
1/1/1994  -  6/28/19947/3/1995 5 6 months 0.0030 0.125
7/1/1993  -  11/15/19931/6/1994 5 6 months 0.0030 0.310


More information for this water system: SDWIS ID 2540
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