OHA Drinking Water Services
OR41
PWS ID: 94284 ---- IDAHO POWER-OXBOW PLANT
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
9/14/2022  9/30/2022 5 3 years 0.0075 0.205
7/10/2019  8/5/2019 5 3 years 0.0010 0.452
8/10/2016  9/15/2016 5 3 years 0 0.131 9/28/2016
7/17/2013  8/7/2013 5 3 years 0.0008 0.379
6/1/2011  7/3/2012 5 3 years 0 0.512
9/24/2008  11/6/2008 5 3 years 0.0045 0.495
5/18/2005  6/20/2005 5 3 years 0.0025 0.500
1/1/2002  -  3/13/20025/6/2002 5 3 years 0 0.410
1/1/1999  -  8/4/19999/15/1999 5 1 year 0.0072 0.280
1/1/1996  -  11/5/199812/7/1998 5 1 year 0.0061 0.430
1/1/1995  -  8/3/19959/1/1995 5 1 year 0.0070 0.460
7/1/1994  -  11/15/199412/9/1994 5 6 months 0 0.265
1/1/1994  -  6/2/19946/29/1994 5 6 months 0.0035 0.555
7/1/1993  -  7/14/19937/26/1993 5 6 months 0.0664 1.135
1/1/1993  -  2/4/19932/24/1993 5 6 months 0.0056 0.880


More information for this water system: SDWIS ID 4368
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