OHA Drinking Water Services
OR41
PWS ID: 00493 ---- LYONS MEHAMA WATER DISTRICT
Lead & Copper

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Summary Results
Detailed Results
Corrosion Control
Service Lines
90th Percentile Summary Results

Sample Dates Date
Received		 Sample
Count		 Frequency Lead
(mg/L)		 Copper
(mg/L)		 Consumer
Notice Date
9/14/2021  -  9/15/2021 10 3 years 0 0.139
9/14/2021  -  9/15/202110/1/2021 10 3 years 0.0033 0.139
8/8/2018  -  8/10/2018 10 3 years 0 0.292
8/8/2018  -  8/10/20187/16/2019 10 3 years 0.0016 0.292
9/8/2015  -  9/9/2015 10 3 years 0 0.082
9/8/2015  -  9/9/20159/17/2015 10 3 years 0 0.082
9/18/2012  -  9/20/2012 10 3 years 0 0.045
9/18/2012  -  9/20/201210/3/2012 10 3 years 0 0.045
9/2/2009  -  9/4/20099/29/2009 10 3 years 0.0015 0.200
8/16/2007  8/8/2008 10 3 years 0 0.050
12/14/2004  -  12/15/20041/7/2005 10 1 year 0.0020 0.130
12/16/2003  -  12/17/20031/12/2004 20 1 year 0.0020 0.620
12/19/2002  -  12/20/20021/13/2003 20 6 months 0.0030 0.820
4/16/2002  -  4/17/20025/1/2002 19 6 months 0.0030 1.300
7/1/1999  -  8/10/19998/31/1999 20 6 months 0.0140 3.200
7/1/1996  -  12/3/19962/20/1997 20 6 months 0 3.030


More information for this water system: SDWIS ID 3967
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