OHA Drinking Water Services
OR41
PWS ID: 94717 ---- COLUMBIA RIVER PUD
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
7/26/2023  8/18/2023 5 3 years 0 0.084 11/16/2023
8/2/2021  8/12/2021 5 3 years 0 0.195
6/5/2019  6/19/2019 5 3 years 0.0020 0.124
11/18/2016  12/12/2016 5 6 months 0.0017 0.073
5/25/2016  6/7/2016 5 6 months 0 0.088
11/7/2015  12/8/2015 5 6 months 0.0030 0.101
5/12/2015  6/5/2015 5 6 months 0 0.102
10/8/2014  10/16/2014 5 6 months 0 0.104
4/9/2014  4/21/2014 5 6 months 0 0.088
6/26/2013  7/26/2013 5 3 years 0.0030 0.103
6/15/2010  1/11/2011 5 3 years 0 0
6/30/2005  7/11/2005 5 6 months 0.0040 0.290
3/6/2005  -  3/11/20054/6/2005 5 6 months 0.0010 0.040
8/20/2004  8/26/2004 5 3 years 0.0055 2.340
7/1/2001  -  8/2/20018/20/2001 5 6 months 0.0020 0.020
1/1/2001  -  1/4/20012/7/2001 5 6 months 0.0050 0.020
7/1/2000  -  7/20/20009/6/2000 5 6 months 0.0020 0.120
1/1/2000  -  1/20/20002/8/2000 5 6 months 0.2200 2.890
1/1/1994  -  6/16/19947/12/1994 5 6 months 0.0280 2.375
7/1/1993  -  8/26/19939/16/1993 5 6 months 0.0125 1.230


More information for this water system: SDWIS ID 1907
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