OHA Drinking Water Services
OR41
PWS ID: 93736 ---- UNION SCHOOL
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
7/2/2024  -  8/6/20248/20/2024 5 3 years 0.0017 0.123
9/10/2020  9/21/2020 5 3 years 0.0073 0.085
9/27/2017  10/6/2017 5 3 years 0.0068 0.028
8/14/2014  8/21/2014 5 3 years 0.0039 0.515
8/16/2011  8/29/2011 5 3 years 0.0030 0.813
6/15/2009  7/7/2009 5 6 months 0.0040 0.072
6/13/2008  7/8/2008 5 6 months 0.0047 0.044
10/26/2007  11/5/2007 5 6 months 0.0050 0.058
5/19/2007  6/4/2007 5 6 months 0.0028 0.148
10/28/2006  12/4/2006 5 6 months 0.0046 0.238
5/29/2006  6/19/2006 5 6 months 0.0042 0.237
10/30/2005  -  11/1/200511/18/2005 5 6 months 0.0063 0.066


More information for this water system: SDWIS ID 2759
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