OHA Drinking Water Services
OR41
PWS ID: 01119 ---- ROYAL 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
9/26/2022  10/11/2022 5 3 years 0.0007 0.093
7/30/2019  8/19/2019 5 3 years 0.0028 0
9/30/2015  10/12/2015 5 3 years 0.0016 0
8/10/2012  9/13/2012 5 3 years 0 0
9/24/2009  10/9/2009 5 3 years 0.0043 0
10/15/1999  10/27/2008 5 1 year 0 0.115
9/30/1998  -  10/1/199810/27/2008 5 1 year 0 0.035
9/26/1997  10/27/2008 5 1 year 0 0.053
10/11/1996  10/27/2008 5 1 year 0 0
7/1/1995  -  7/11/199511/17/1995 10 6 months 0.0064 0.120
1/1/1995  -  2/8/19954/7/1995 10 6 months 0 0


More information for this water system: SDWIS ID 3545
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