OHA Drinking Water Services
OR41
PWS ID: 91993 ---- ARROW PRESCHOOL ---- INACTIVE
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
9/22/2015  5 3 years 0 0.032
9/22/2015  10/26/2015 5 3 years 0.0020 0.032
6/12/2012  6/26/2012 5 3 years 0.0050 0.100
9/22/2010  10/15/2010 5 3 years 0.0035 0.058
6/11/2002  1/21/2003 5 3 years 0 0
1/1/1999  -  5/24/19998/31/1999 5 1 year 0.0047 0
1/1/1998  -  6/5/19988/11/1998 5 1 year 0 0
1/1/1997  -  9/26/199712/2/1997 5 1 year 0 0
1/1/1996  -  1/4/19965/28/1996 5 6 months 0.0029 0
7/1/1993  -  12/1/19931/4/1994 5 6 months 0.0050 0


More information for this water system: SDWIS ID 1115
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