OHA Drinking Water Services
OR41
PWS ID: 91840 ---- MOHAWK ELEMENTARY SD 19
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
7/19/2022  5 3 years 0 0.177
7/19/2022  7/22/2022 5 3 years 0.0117 0.177
6/8/2018  6/12/2018 5 3 years 0.0012 0.052
6/12/2015  -  6/26/20176/26/2015 5 3 years 0.0011 0.051
6/26/2017  7/10/2017 5 3 years 0.0023 0.066
6/15/2016  6/24/2016 5 3 years 0.0014 0.051
12/29/2014  1/9/2015 5 6 months 0.0056 0.110
6/3/2014  6/16/2014 5 6 months 0.0028 0.060
12/23/2013  1/3/2014 5 6 months 0.0016 0
6/25/2013  7/17/2013 5 6 months 0.0039 0.060
7/7/2010  7/21/2010 5 3 years 0.0025 0.115
7/5/2007  7/16/2007 5 3 years 0 0.055
7/1/2004  7/19/2004 5 3 years 0 0.150
1/1/1999  -  7/12/20018/23/2001 5 3 years 0 0.158
1/1/1998  -  9/22/199810/26/1998 5 1 year 0.0017 0.140
1/1/1997  -  8/12/19979/11/1997 5 1 year 0.0028 0.119
1/1/1996  -  8/8/199610/14/1996 5 1 year 0 0.178
1/1/1995  -  5/17/199510/2/1995 10 6 months 0 0.169
7/1/1993  -  9/23/199310/21/1993 10 6 months 0.0040 0.280


More information for this water system: SDWIS ID 1047
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