OHA Drinking Water Services
OR41
PWS ID: 00919 ---- FERN RIDGE SHORES
Lead & Copper

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Corrosion Control
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90th Percentile Summary Results

Sample Dates Date
Received		 Sample
Count		 Frequency Lead
(mg/L)		 Copper
(mg/L)		 Consumer
Notice Date
7/20/2023  -  7/21/20238/4/2023 5 3 years 0.0034 0
8/16/2020  -  8/17/20209/3/2020 5 3 years 0.0026 0
8/23/2017  -  8/25/20179/7/2017 5 3 years 0.0022 0.091
6/23/2014  7/15/2014 5 3 years 0.0140 0.140
9/27/2011  10/7/2011 5 3 years 0 0.051
8/22/2008  9/17/2008 5 3 years 0.0040 0.257
1/1/2005  -  2/25/20053/7/2005 5 3 years 0 0.219
1/1/2001  -  9/24/200110/29/2001 5 1 year 0.0060 0.081
1/1/2000  -  12/19/200012/29/2000 5 1 year 0 0.024
1/1/1997  -  12/30/19971/30/1998 5 1 year 0 0.014
7/1/1996  -  12/11/199612/31/1996 10 6 months 0 0.024
7/1/1995  -  12/28/19951/22/1996 10 6 months 0.0100 0.071


More information for this water system: SDWIS ID 3470
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