OHA Drinking Water Services
OR41
PWS ID: 00915 ---- UNION, 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
7/10/2022  -  7/11/20228/3/2022 10 3 years 0.0021 0.033
9/24/2019  -  9/25/201910/10/2019 10 3 years 0.0013 0.072
7/12/2016  7/25/2016 10 3 years 0.0017 0.056
9/10/2013  -  9/11/20139/20/2013 10 3 years 0.0019 0.058
9/13/2010  -  9/14/201010/7/2010 10 3 years 0.0024 0.049
11/14/2007  11/28/2007 10 3 years 0.0010 0.043
10/26/2004  11/18/2004 10 3 years 0.0020 0
1/1/2001  -  8/14/20019/7/2001 10 1 year 0.0010 0.510
1/1/1999  -  11/1/19999/25/2000 10 1 year 0.0035 0.057
1/1/1998  -  12/16/19989/25/2000 10 1 year 0.0020 0.070
1/1/1996  -  8/13/19969/25/2000 10 1 year 0.0032 0.058
1/1/1995  -  10/24/199511/13/1995 10 1 year 0.0010 0.075
7/1/1994  -  12/6/199412/22/1994 20 6 months 0 0.070
1/1/1994  -  6/28/19947/25/1994 20 6 months 0.0020 0.060


More information for this water system: SDWIS ID 3801
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