OHA Drinking Water Services
OR41
PWS ID: 90603 ---- DUFUR SCHOOL DIST #29
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
8/3/2023  8/10/2023 5 3 years 0.0044 0.207
9/16/2020  9/30/2020 5 3 years 0.0020 0.070
8/24/2018  9/27/2018 5 1 year 0.0060 0.265
8/8/2017  10/10/2017 5 1 year 0.0030 0.086
6/13/2016  7/26/2016 5 6 months 0.0139 0.332
7/1/1994  -  7/21/19948/16/1994 5 6 months 0.0040 0.180
7/1/1993  -  10/6/19938/30/1994 5 6 months 0.0090 0.280


More information for this water system: SDWIS ID 719
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