OHA Drinking Water Services
OR41
PWS ID: 01538 ---- HILAND WC - WYLAND
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
8/6/2025  -  8/8/20258/26/2025 6 3 years 0 0.206
8/25/2022  -  8/26/202210/26/2022 5 6 months 0 0.288 9/28/2022
2/28/2022  -  3/2/20225/20/2022 7 6 months 0.0010 0.082 3/21/2022
12/19/2021  -  12/22/20211/7/2022 6 6 months 0.0020 0.069 1/7/2022
4/17/2021  -  4/19/20217/23/2021 6 6 months 0 0.154 5/10/2021
8/10/2020  -  8/11/20208/28/2020 5 6 months 0.0020 0.041 8/28/2020
5/2/2020  -  5/10/20206/3/2020 5 6 months 0 0.330 6/6/2020
11/22/2019  -  11/25/20191/3/2020 5 6 months 0 0 12/26/2019


More information for this water system: SDWIS ID 5475
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