OHA Drinking Water Services
OR41
PWS ID: 00560 ---- NORTHWEST NEWBERG WATER ASSN
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
8/15/2024  5 3 years 0 0.066
8/15/2024  8/26/2024 5 3 years 0 0.066
8/31/2021  -  9/1/2021 5 3 years 0 0.025
8/31/2021  -  9/1/20219/15/2021 5 3 years 0 0.025
9/23/2018  -  9/24/2018 5 3 years 0 0.055
9/23/2018  -  9/24/201810/9/2018 5 3 years 0 0.055
9/13/2015  -  9/14/2015 5 3 years 0 0.142
9/13/2015  -  9/14/201510/2/2015 5 3 years 0.0040 0.142
7/31/2012  -  8/1/2012 5 3 years 0 0.106
7/31/2012  -  8/1/20128/16/2012 5 3 years 0.0030 0.106
6/25/2009  -  6/26/20097/15/2009 5 3 years 0.0025 0.105
7/1/1993  -  7/25/19938/23/1993 10 6 months 0.0060 4.500


More information for this water system: SDWIS ID 4705
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