OHA Drinking Water Services
OR41
PWS ID: 01522 ---- COLLIER LANE HOA
Lead & Copper

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90th Percentile Summary Results

Sample Dates Date
Received		 Sample
Count		 Frequency Lead
(mg/L)		 Copper
(mg/L)		 Consumer
Notice Date
8/26/2024  5 3 years 0 0.047
8/26/2024  9/11/2024 5 3 years 0.0019 0.047
9/20/2021  5 3 years 0 0.073
9/20/2021  10/4/2021 5 3 years 0.0044 0.073
7/11/2018  5 3 years 0 0.069
7/11/2018  7/23/2018 5 3 years 0.0002 0.069
6/12/2015  6/18/2015 5 3 years 0.0049 0.072
7/19/2011  8/1/2011 5 6 months 0.0015 0.074
1/12/2011  2/24/2011 5 6 months 0.0028 0.046


More information for this water system: SDWIS ID 5239
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