OHA Drinking Water Services
OR41
PWS ID: 94875 ---- NORTH LAKE SCHOOL SD 14
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
7/13/2023  8/1/2023 5 3 years 0.0030 0.099
8/14/2020  8/27/2020 5 3 years 0.0020 0.075
7/25/2017  11/13/2017 5 3 years 0.0020 0.079
6/19/2014  7/10/2014 5 3 years 0 0.044
7/20/2011  7/30/2011 5 3 years 0.0055 0.079
9/29/2008  10/7/2008 5 3 years 0.0030 0.050
3/1/2005  3/21/2005 5 3 years 0.0105 0.101
1/1/1999  -  8/10/19999/7/1999 5 1 year 0.0140 0.200
1/1/1997  -  7/9/199710/21/1997 5 1 year 0 0.230
1/1/1996  -  9/30/199611/8/1996 5 1 year 0.0020 0.097
1/1/1996  -  5/31/19966/14/1996 10 6 months 0 0.105
7/1/1994  -  11/16/199412/8/1994 10 6 months 0.0017 0.143


More information for this water system: SDWIS ID 2869
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