OHA Drinking Water Services
OR41
PWS ID: 90577 ---- CASCADE OPPORTUNITY CENTER
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
6/11/2010  7/19/2010 5 3 years 0.0033 0.410
10/31/2007  11/29/2007 5 3 years 0 0
8/27/2003  10/20/2003 5 3 years 0 0.092
1/1/1999  -  6/14/20009/21/2000 5 3 years 0 0
1/1/1997  -  6/12/19979/5/1997 5 1 year 0 0
1/1/1996  -  9/26/199610/25/1996 5 1 year 0.0023 0.193
1/1/1995  -  6/9/19958/24/1995 5 1 year 0.0035 0.091
1/1/1994  -  3/1/199411/30/1994 5 6 months 0 0.358
7/1/1993  -  8/1/199311/30/1994 5 6 months 0.0034 0.382


More information for this water system: SDWIS ID 707
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