OHA Drinking Water Services
OR41
PWS ID: 00369 ---- HEPPNER, 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
8/8/2023  -  8/10/20238/24/2023 10 3 years 0.0105 0.085 10/31/2023
9/15/2020  -  9/16/20209/30/2020 10 3 years 0.0093 0.064
9/19/2017  -  9/20/20179/28/2017 10 3 years 0.0062 0.012
9/16/2014  -  9/17/201410/2/2014 10 3 years 0.0016 0.026
8/30/2011  9/14/2011 10 3 years 0.0041 0.031
8/5/2008  10/10/2008 10 3 years 0.0030 0
8/2/2005  10/4/2005 10 3 years 0.0040 0.039
1/1/1999  -  10/21/199912/13/1999 10 1 year 0.0036 0.150
1/1/1996  -  9/25/199611/14/1996 10 1 year 0.0028 0.037
7/1/1994  -  8/2/199411/14/1996 20 6 months 0.0030 0.050
7/1/1993  -  12/29/19931/18/1994 20 6 months 0.0020 0.050


More information for this water system: SDWIS ID 3729
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