OHA Drinking Water Services
OR41
PWS ID: 90587 ---- SILVER CREST 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
1/18/2024  2/12/20243/6/2024 2 6 months 0.0047 0
8/31/2023  10/3/2023 5 1 year 0.0173 0.122
8/5/2022  8/29/2022 5 1 year 0.0038 0.360
9/24/2021  10/5/2021 5 1 year 0.0040 0.164
9/29/2020  10/6/2020 5 1 year 0.0025 0.197
9/10/2019  10/4/2019 5 1 year 0.0020 0.055
7/11/2018  9/7/20189/21/2018 15 6 months 0.0080 0.134
1/12/2018  1/24/2018 10 6 months 0.0020 0
8/25/2017  8/29/2017 5 3 years 0.0006 0.118
9/21/2015  10/9/2015 5 1 year 0.0020 0.092
12/23/2014  1/5/2015 5 6 months 0.0019 0
6/11/2014  6/30/2014 4 6 months 0.0062 1.580
9/19/2012  5 3 years 0.0024 0.760
9/29/2009  10/9/2009 5 3 years 0.0040 0
12/19/2006  1/11/2007 5 3 years 0.0035 0
11/24/2004  1/21/2005 5 6 months 0 0.300
2/3/2004  3/18/2004 5 6 months 0 0.226
1/1/1998  9/30/199810/21/1998 10 6 months 0.0055 0.680
1/1/1997  3/6/19974/9/1997 10 6 months 0.0200 7.450
7/1/1993  12/7/19931/4/1994 10 6 months 0.0538 5.550



More information for this water system: SDWIS ID 713
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