OHA Drinking Water Services
OR41
PWS ID: 01470 ---- LONE OAK ESTATES
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
7/11/2022  7/19/2022 5 3 years 0.0007 0.068
8/13/2019  8/26/2019 5 3 years 0 0.094
8/25/2016  -  8/26/20169/14/2016 5 3 years 0 0.132 9/24/2016
6/25/2013  7/2/2013 5 3 years 0 0.189
8/10/2010  8/19/2010 5 3 years 0 0.360
1/3/2006  -  1/9/20061/23/2006 5 3 years 0 0.084
1/1/2000  -  9/28/20003/5/2001 5 1 year 0.0087 0.117
1/1/1999  -  8/27/199912/10/1999 5 1 year 0 0.220
1/1/1998  -  9/28/199811/23/1998 5 1 year 0 0.114
1/1/1997  -  1/13/19972/20/1997 10 6 months 0 0.528
1/1/1996  -  6/28/19967/17/1996 10 6 months 0 0.432


More information for this water system: SDWIS ID 4149
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