OHA Drinking Water Services
OR41
PWS ID: 00370 ---- BLACK MOUNTAIN WATER DISTRICT
Lead & Copper

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Detailed Results
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
8/12/2024  -  8/14/20249/10/2024 5 3 years 0.0010 0.107
7/19/2021  7/29/2021 5 3 years 0 0.081
7/18/2018  8/7/2018 5 3 years 0.0010 0.033
7/13/2015  8/10/2015 5 3 years 0.0020 0.027
6/26/2012  7/20/2012 5 1 year 0.0030 0.122
9/21/2011  11/21/2012 5 1 year 0 0.052
7/7/2010  11/21/2012 5 1 year 0.0026 0.112
6/6/2006  -  8/31/20069/18/2006 5 6 months 0.0075 0.040


More information for this water system: SDWIS ID 2357
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