OHA Drinking Water Services
OR41
PWS ID: 90597 ---- FERNDALE ELEMENTARY
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
6/12/2024  7/5/2024 5 3 years 0.0010 0.031
8/25/2021  9/17/2021 5 3 years 0.0017 0.028 10/2/2021
9/12/2017  9/27/2017 5 3 years 0.0019 0.166
6/24/2014  7/7/2014 5 3 years 0.0032 0.153
1/19/2011  -  6/1/20117/7/2011 10 6 months 0.0012 0.046
9/24/2008  10/10/2008 5 3 years 0.0100 0.824
3/19/2004  6/17/2004 10 6 months 0.0040 0.320
7/1/1999  -  10/28/19992/24/2000 10 6 months 0.0039 0.068
1/1/1997  -  2/21/19974/28/1997 10 6 months 0.0370 2.500
7/1/1993  -  11/29/19931/10/1994 10 6 months 0.0160 3.100


More information for this water system: SDWIS ID 2541
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