OHA Drinking Water Services
OR41
PWS ID: 00139 ---- RANCHERO PETITE IMPROV DIST
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
6/24/2022  7/13/2022 5 3 years 0.0090 0
8/7/2019  8/16/2019 5 3 years 0.0060 0
9/13/2016  9/30/2016 5 3 years 0.0054 0.049
9/11/2013  9/24/2013 5 3 years 0.0140 0.111
8/22/2010  10/14/2010 5 3 years 0.0040 0.055
9/25/2006  10/4/2006 5 3 years 0.0060 0.101
9/29/2003  10/14/2003 5 3 years 0.0020 0.043
1/1/1999  -  9/27/199910/7/1999 5 3 years 0.0092 0.150
1/1/1998  -  9/29/199810/15/1998 5 1 year 0.0044 0.240
1/1/1997  -  9/28/199710/14/1997 5 1 year 0.0065 0.157
1/1/1995  -  9/17/19959/27/1995 5 1 year 0.0120 0.160
1/1/1994  -  6/14/19947/19/1994 5 6 months 0.0060 0.145
7/1/1993  -  7/13/19938/24/1993 5 6 months 0.0085 0.260


More information for this water system: SDWIS ID 3246
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