OHA Drinking Water Services
OR41
PWS ID: 90546 ---- PROSPECT CHARTER SCHOOL
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
9/22/2022  10/4/2022 5 3 years 0.0016 0.048
9/25/2019  10/1/2019 5 3 years 0.0007 0.042
8/25/2016  5 3 years 0 0.054
8/25/2016  9/7/2016 5 3 years 0.0070 0.054
9/13/2012  5 3 years 0 0.093
9/13/2012  9/24/2012 5 3 years 0.0007 0.093
7/29/2009  11/5/2009 5 3 years 0.0010 0.054
8/17/2005  9/7/2005 5 3 years 0.0016 0.136
9/30/2003  10/14/2003 5 3 years 0 0.117
1/1/2000  -  7/27/20008/14/2000 5 1 year 0.0061 0.189
1/1/1996  -  7/13/19962/19/2002 5 1 year 0.0080 0.229
1/1/1995  -  8/3/19952/19/2002 5 1 year 0.0140 0.806
1/1/1994  -  2/23/19943/1/1994 10 6 months 0.0080 0.136
7/1/1993  -  7/26/19938/23/1993 10 6 months 0.0070 0.323


More information for this water system: SDWIS ID 697
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