OHA Drinking Water Services
OR41
PWS ID: 95706 ---- NPS OREGON CAVES NATIONAL MONUMENT O&M
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
6/17/2025  7/9/2025 5 6 months 0 0.132
7/30/2024  9/10/2024 5 6 months 0 0.157
1/11/2024  2/8/2024 5 6 months 0 0.326


More information for this water system: SDWIS ID 5640
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