OHA Drinking Water Services
OR41
PWS ID: 00506 ---- NEAHKAHNIE WATER DISTRICT
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
8/14/2024  -  8/21/20249/5/2024 10 3 years 0.0020 0.071
8/3/2021  -  8/9/20218/19/2021 20 6 months 0 0.105
3/24/2021  -  3/26/20214/9/2021 20 6 months 0.0040 0.132
8/18/2020  -  9/18/202010/5/2020 20 6 months 0.0040 0.130
9/13/2017  -  9/16/2017 10 3 years 0 0.092
9/13/2017  -  9/16/201710/2/2017 10 3 years 0 0.092
8/13/2014  -  8/19/2014 10 3 years 0 0.139
8/13/2014  -  8/19/20148/27/2014 10 3 years 0 0.139
7/30/2011  -  8/2/20118/29/2011 10 3 years 0 0.144
8/15/2008  -  8/19/200810/23/2008 10 3 years 0 0
9/8/2005  -  9/14/200510/3/2005 10 3 years 0.0020 0.350
1/1/2002  -  3/6/20023/25/2002 10 3 years 0.0040 0.290
1/1/2001  -  6/16/20017/10/2001 20 6 months 0.0030 0.460
7/1/2000  -  7/29/20009/13/2000 20 6 months 0.0080 1.480
1/1/1995  -  6/2/199510/3/1996 20 6 months 0.0070 3.010
7/1/1993  -  8/2/19931/19/1994 20 6 months 0.0150 2.337


More information for this water system: SDWIS ID 3355
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