OHA Drinking Water Services
OR41
PWS ID: 00317 ---- GATES, CITY OF
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
8/3/2024  -  9/25/202410/3/2024 6 3 years 0.0206 0.086
9/2/2021  -  9/3/20219/20/2021 5 3 years 0.0010 0.028
9/15/2018  -  9/18/20189/26/2018 10 6 months 0.0026 0.031 11/29/2018
4/26/2018  -  4/30/20185/15/2018 10 6 months 0.0030 0.039
7/20/2017  -  7/24/20178/15/2017 5 3 years 0.0222 0.035 9/14/2017
6/20/2014  -  6/26/2014 5 3 years 0.0018 0.030
6/2/2011  -  6/3/20117/7/2011 5 3 years 0.0019 0.044
9/2/2008  10/23/2008 5 3 years 0.0040 0
9/14/2005  10/26/2005 10 3 years 0.0060 0.046
1/1/2002  -  5/14/20026/5/2002 10 1 year 0.0040 0.031
7/1/2000  -  6/7/20016/25/2001 10 1 year 0.0040 0.027
1/1/2000  -  5/17/20006/13/2000 20 6 months 0.0030 0.018
7/1/1999  -  9/24/199910/7/1999 20 6 months 0.0016 0.026
1/1/1996  -  9/5/199610/21/1996 10 1 year 0.0253 0.239
1/1/1995  -  9/11/199510/24/1995 10 1 year 0.0101 0.386
1/1/1994  -  3/29/19945/31/1994 20 6 months 0 0.258
7/1/1993  -  12/2/19931/4/1994 20 6 months 0.0053 0.374


More information for this water system: SDWIS ID 3955
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