OHA Drinking Water Services
OR41
PWS ID: 00363 ---- HALFWAY, CITY OF
Lead & Copper

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Summary Results
Detailed Results
Corrosion Control
Service Lines
90th Percentile Summary Results

Sample Dates Date
Received		 Sample
Count		 Frequency Lead
(mg/L)		 Copper
(mg/L)		 Consumer
Notice Date
7/16/2025  8/1/2025 5 3 years 0 0.127
8/4/2021  5 3 years 0 0.053
8/4/2021  8/30/2021 5 3 years 0.0006 0.053
7/25/2018  -  8/1/2018 5 3 years 0 0.065
7/25/2018  -  8/1/20188/23/2018 5 3 years 0 0.065 8/20/2018
7/29/2015  -  8/5/2015 5 3 years 0 0.061
7/29/2015  -  8/5/20158/27/2015 5 3 years 0 0.061
7/11/2012  -  8/1/2012 5 3 years 0 0.046
7/11/2012  -  8/1/20129/7/2012 5 3 years 0 0.046
7/15/2009  10/19/2009 5 3 years 0 0.066
8/23/2005  9/22/2005 5 3 years 0 0.068
9/9/2002  12/9/2002 5 3 years 0.0045 0.127
1/1/1999  -  7/14/19998/10/1999 5 1 year 0.0007 0.108
1/1/1998  -  1/13/19982/4/1998 5 1 year 0 0.060
1/1/1995  -  12/5/19951/23/1996 5 1 year 0 0.075
1/1/1994  -  6/8/19947/14/1994 10 6 months 0 0.070
7/1/1993  -  12/8/199312/30/1993 10 6 months 0 0.080


More information for this water system: SDWIS ID 4229
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