OHA Drinking Water Services
OR41
PWS ID: 00947 ---- HILAND WC - SHADOW WOOD
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
7/3/2023  -  7/5/20237/28/2023 6 3 years 0.0010 0.127
7/16/2020  -  7/17/20207/28/2020 7 3 years 0.0050 0.077
8/1/2017  -  8/18/20179/19/2017 7 3 years 0.0030 0.579
7/28/2014  8/8/2014 5 3 years 0.0010 0.110
8/29/2013  10/10/2013 5 3 years 0.0080 0.144
9/29/2010  11/22/2010 5 3 years 0.0040 0.700
4/27/2006  5/19/2006 5 3 years 0.0065 0.300
7/7/2005  9/29/2005 5 1 year 0.0025 0.735
3/25/2004  4/26/2004 10 1 year 0.0090 0.790
6/30/2002  -  7/2/20029/19/2002 10 6 months 0.0110 0.960
1/1/1995  -  3/7/19953/31/1995 10 6 months 0.0021 1.484


More information for this water system: SDWIS ID 3481
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