OHA Drinking Water Services
OR41
PWS ID: 00438 ---- ROUND LAKE WATER UTILITIES
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
8/15/2023  8/28/2023 5 3 years 0.0004 0.014
7/17/2020  7/24/2020 5 3 years 0.0003 0.011
8/1/2016  -  8/3/201610/19/2016 5 3 years 0.0003 0.005
6/13/2013  -  6/14/20137/18/2013 5 3 years 0.0009 0.008
7/1/2009  7/30/2009 5 3 years 0.0009 0.022
12/2/2003  2/5/2004 5 1 year 0 0.072
1/1/2000  -  5/17/20006/12/2000 5 1 year 0 0
1/1/1998  -  12/9/19981/25/1999 5 1 year 0 0.020
1/1/1995  -  5/24/19956/2/1995 10 6 months 0.0070 0.200
7/1/1993  -  8/10/19939/3/1993 10 6 months 0.0050 0.040


More information for this water system: SDWIS ID 3343
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