OHA Drinking Water Services
OR41
PWS ID: 90571 ---- HAMILTON CREEK SCHOOL
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
6/13/2023  -  7/9/20246/29/2023 5 3 years 0 0.199
7/9/2024  7/12/2024 5 3 years 0.0014 0.251
6/7/2021  -  6/14/2022 10 3 years 0 0
6/14/2022  6/17/2022 5 3 years 0.0139 0.429
6/7/2021  6/18/2021 5 3 years 0.0020 0
6/11/2018  5 3 years 0 0
6/11/2018  6/15/2018 5 3 years 0.0014 0
6/16/2015  5 3 years 0 0
6/16/2015  6/26/2015 5 3 years 0.0019 0
6/4/2012  5 3 years 0 0.070
6/4/2012  6/27/2012 5 3 years 0.0016 0.070
9/15/2009  9/30/2009 5 3 years 0 0.105
8/15/2006  8/29/2006 5 3 years 0 0.235
2/10/2003  2/18/2005 5 3 years 0 0.087
1/1/1999  -  5/19/19998/31/1999 5 1 year 0.0011 0
1/1/1998  -  6/9/19988/11/1998 5 1 year 0.0039 0
1/1/1997  -  9/25/199712/2/1997 5 1 year 0 0
1/1/1996  -  1/5/19965/28/1996 10 6 months 0.0044 0
7/1/1993  -  12/1/19931/4/1994 10 6 months 0 0


More information for this water system: SDWIS ID 705
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