OHA Drinking Water Services
OR41
PWS ID: 91213 ---- UPPER CHETCO ELEM/HEADSTART ---- INACTIVE
Lead & Copper

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Detailed Results
Corrosion Control
Service Lines
90th Percentile Summary Results

Sample Dates Date
Received		 Sample
Count		 Frequency Lead
(mg/L)		 Copper
(mg/L)		 Consumer
Notice Date
9/28/2010  3/10/2011 5 3 years 0.0092 0.085
10/30/2007  3/3/2008 5 3 years 0.0045 0.143
11/30/2004  1/27/2005 5 3 years 0 0.025
1/1/2001  -  12/12/20012/7/2002 5 1 year 0.0020 0.159
1/1/2000  -  6/12/20007/3/2000 5 6 months 0 0.149
7/1/1999  -  11/15/199912/6/1999 5 6 months 0 0.146
1/1/1999  -  5/13/19996/1/1999 5 6 months 0.0050 1.613
11/18/1998  11/3/2004 5 6 months 0.0015 0.313
1/1/1998  -  6/30/19987/22/1998 5 6 months 0.0160 0.158
7/1/1997  -  12/31/19972/4/1998 5 6 months 0 0.313
7/1/1995  10/16/1995 5 6 months 0.0165 0.750
1/1/1995  -  2/1/19952/27/1995 5 6 months 0.0065 0.570
7/1/1994  -  11/14/199412/9/1994 5 6 months 0.0080 0.655


More information for this water system: SDWIS ID 889
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