OHA Drinking Water Services
OR41
PWS ID: 00260 ---- DRAIN, 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
9/18/2024  10/3/2024 20 6 months 0.0140 0.122
5/23/2024  -  5/28/20245/31/2024 20 6 months 0.0070 0.061
11/21/2023  11/30/2023 20 6 months 0.0090 0.095
5/23/2023  6/6/2023 20 6 months 0.0190 0.049
9/27/2022  10/6/2022 15 3 years 0.0310 0.112 12/8/2022
9/19/2019  9/24/2019 15 1 year 0 0
8/2/2018  8/8/2018 15 1 year 0 0
6/30/2017  7/12/2017 15 1 year 0 0
12/22/2016  1/9/2017 24 6 months 0.0039 0.118
5/27/2016  6/7/2016 25 6 months 0.0115 0
8/27/2015  -  9/17/20159/21/2015 10 3 years 0.0224 0
8/23/2012  -  8/24/201211/7/2012 10 3 years 0.0031 0
8/27/2009  9/30/2009 10 3 years 0 0
8/17/2006  9/5/2006 10 3 years 0.0100 0
8/14/2003  -  8/15/200310/1/2003 10 3 years 0 0.150
1/1/1999  -  9/1/200010/23/2000 10 3 years 0 0.057
1/1/1997  -  7/16/199710/22/1997 10 1 year 0.0110 0.650
1/1/1996  -  7/26/199610/8/1996 10 1 year 0.0065 0.303
1/1/1995  -  8/18/199510/11/1995 10 1 year 0.0038 0.094
1/1/1994  -  1/18/19944/25/1994 20 6 months 0.0067 0.893
7/1/1993  -  7/15/19939/9/1993 20 6 months 0.0110 0.440


More information for this water system: SDWIS ID 4412
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