OHA Drinking Water Services
OR41
PWS ID: 01264 ---- SPAR TREE MHP
Lead & Copper

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Detailed Results
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90th Percentile Summary Results

Sample Dates Date
Received		 Sample
Count		 Frequency Lead
(mg/L)		 Copper
(mg/L)		 Consumer
Notice Date
4/3/2025  4/11/2025 6 6 months 0.0040 0.013
8/11/2021  8/23/2021 5 3 years 0.0186 0.007
8/30/2018  -  8/31/20189/28/2018 5 3 years 0.0147 0.011
8/1/2014  8/11/2014 5 3 years 0.0045 0.016
8/5/2011  9/6/2011 5 3 years 0.0077 0.009
7/15/2008  8/19/2008 5 3 years 0.0030 0.014
8/26/2003  9/17/2004 5 1 year 0.0105 0.049
1/1/1997  -  9/8/199710/21/1997 5 1 year 0 0
1/1/1996  -  8/11/199610/1/1996 5 1 year 0.0100 0
1/1/1996  -  1/9/19964/25/1996 5 6 months 0.0004 0.003
1/1/1995  -  1/14/19951/27/1995 5 6 months 0 0


More information for this water system: SDWIS ID 3598
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