OHA Drinking Water Services
OR41
PWS ID: 01464 ---- HIDDEN MEADOWS WATER ASSN INC
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
9/29/2024  -  9/30/2024 4 3 years 0 0.360
9/29/2024  -  9/30/202410/9/2024 4 3 years 0.0032 0.360
7/15/2021  -  7/19/2021 6 3 years 0 0.314
7/15/2021  -  7/19/20218/16/2021 6 3 years 0.0040 0.314 8/16/2021
8/22/2018  6 3 years 0 0.150
8/22/2018  9/5/2018 6 3 years 0 0.150
9/9/2015  5 3 years 0 0.056
9/9/2015  9/30/2015 5 3 years 0 0.056
8/8/2012  -  9/14/2012 5 3 years 0 0.187
8/8/2012  -  9/14/201210/3/2012 5 3 years 0.0010 0.187
7/8/2009  -  7/14/20098/10/2009 5 3 years 0.0050 0.615
12/31/2003  -  1/4/20041/5/2004 5 1 year 0.0010 0.150
1/1/2002  -  6/1/20026/25/2002 5 1 year 0 0.370
1/1/2001  -  6/3/20016/19/2001 5 1 year 0.0010 0.370
7/1/2000  -  8/5/20009/7/2000 10 6 months 0.0020 0.630
1/1/2000  -  3/9/20005/1/2000 10 6 months 0 0.990
1/1/1996  -  3/20/19966/10/1996 10 6 months 0.0022 2.250


More information for this water system: SDWIS ID 3050
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