OHA Drinking Water Services
OR41
PWS ID: 06274 ---- HILLSBORO-BUTTERNUT CREEK ---- INACTIVE
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
8/15/2023  9/1/2023 9 6 months 0 0.045 9/1/2023
5/3/2023  5/15/2023 6 6 months 0 0.023 5/31/2023
9/9/2020  -  9/10/20209/21/2020 7 6 months 0.0004 0.063 9/24/2020
3/24/2020  -  4/7/20204/16/2020 77 6 months 0 0.063 4/20/2020
9/10/2019  -  9/17/201910/7/2019 23 6 months 0 0.108 10/7/2019


More information for this water system: SDWIS ID 5476
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