OHA Drinking Water Services
OR41
PWS ID: 00403 ---- IRRIGON, CITY OF
Lead & Copper

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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
7/1/2025  7/16/2025 9 3 years 0.0040 0.379
7/21/2022  8/10/2022 10 3 years 0.0020 0.366
6/5/2019  6/18/2019 10 3 years 0.0090 0.389
7/6/2016  8/23/2016 11 3 years 0.0033 0.485
9/20/2013  11/5/2013 12 3 years 0.0075 0.421
9/14/2010  10/12/2010 10 3 years 0.0080 0.228
9/26/2006  -  9/27/200610/16/2006 10 3 years 0.0110 0.540
10/17/2003  -  10/20/200311/4/2003 10 3 years 0.0040 0.360
1/1/1999  -  10/19/200011/17/2000 10 3 years 0.0060 0.340
1/1/1997  -  9/16/199710/21/1997 10 1 year 0.0060 0.310
1/1/1996  -  8/27/199610/3/1996 10 1 year 0.0035 0.650
1/1/1995  -  9/19/199510/13/1995 10 1 year 0.0055 0.364
7/1/1993  -  8/27/199311/8/1993 20 6 months 0.0064 0.457
1/1/1993  -  5/3/199311/8/1993 20 6 months 0.0053 0.434


More information for this water system: SDWIS ID 3740
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