OHA Drinking Water Services
OR41
PWS ID: 00452 ---- LAFAYETTE, CITY OF
Lead & Copper

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Corrosion Control
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90th Percentile Summary Results

Sample Dates Date
Received		 Sample
Count		 Frequency Lead
(mg/L)		 Copper
(mg/L)		 Consumer
Notice Date
6/2/2022  -  6/29/20227/8/2022 22 3 years 0.0016 0.146
3/9/2021  -  4/9/20214/23/2021 40 6 months 0.0013 0.216
7/23/2020  -  9/3/20209/18/2020 42 6 months 0.0014 0.175
7/9/2018  -  7/30/20188/14/2018 20 3 years 0.0020 0.198
8/10/2016  -  9/27/20165/24/2017 19 3 years 0.0020 0.181
8/7/2013  -  9/25/201310/31/2013 40 3 years 0.0040 0.124
9/29/2010  12/16/2010 20 3 years 0.0210 0.210
10/3/2007  -  12/20/20075/8/2008 10 3 years 0.0020 0.340
8/10/2004  4/7/2005 10 1 year 0.0004 0.270
1/29/2004  2/5/2004 21 6 months 0.0100 0.480
7/29/2003  8/18/2003 21 6 months 0.0020 0.240
7/1/1995  -  11/9/19959/30/1996 20 6 months 0.0040 0.380
1/1/1995  -  3/21/19954/4/1995 20 6 months 0.0270 1.950


More information for this water system: SDWIS ID 4296
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