OHA Drinking Water Services
OR41
PWS ID: 05019 ---- BLACK BUTTE ELEMENTARY SD 41
Lead & Copper

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Detailed Results
Corrosion Control
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90th Percentile Summary Results

Sample Dates Date
Received		 Sample
Count		 Frequency Lead
(mg/L)		 Copper
(mg/L)		 Consumer
Notice Date
7/25/2022  8/5/2022 5 3 years 0.0046 0.068
7/2/2019  7/18/2019 5 3 years 0.0020 0.061
7/25/2016  7/29/2016 5 3 years 0.0050 0.072
7/17/2013  9/6/2013 5 3 years 0.0040 0.120
6/9/2010  7/6/2010 5 3 years 0 0.067
9/4/2007  9/25/2007 5 3 years 0.0010 0.077
6/9/2004  7/7/2004 5 3 years 0 0.004
1/1/2001  -  9/12/200111/5/2002 5 3 years 0.0008 0.015
1/1/1996  -  10/1/199810/14/1998 5 3 years 0.0007 0.009
1/1/1997  -  11/12/19975/22/1998 5 1 year 0.0007 0.061
1/1/1996  -  6/27/19969/3/1996 5 1 year 0.0005 0.052
1/1/1995  -  6/15/19958/2/1995 5 1 year 0.0030 0.060
7/1/1994  -  7/5/19948/10/1994 5 6 months 0.0025 0.093
1/1/1994  -  3/14/19944/13/1994 5 6 months 0.0008 0.117


More information for this water system: SDWIS ID 114
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