OHA Drinking Water Services
OR41
PWS ID: 90589 ---- CENTRAL HOWELL ELEMENTARY
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
9/21/2021  10/5/2021 5 3 years 0 0
9/7/2018  9/21/2018 5 3 years 0 0.085
9/22/2015  10/9/2015 5 3 years 0 0
9/19/2012  10/16/2012 5 3 years 0 0
9/29/2009  10/9/2009 5 3 years 0.0042 0
12/19/2006  1/11/2007 5 3 years 0 0
1/1/1999  -  9/21/199910/20/1999 5 1 year 0.0005 0
1/1/1998  -  10/1/199810/26/1998 5 1 year 0.0021 0.003
1/1/1997  -  9/10/199710/21/1997 5 1 year 0 0
1/1/1995  -  5/26/19956/5/1995 10 6 months 0 0
1/1/1994  -  6/20/19946/30/1994 10 6 months 0.0040 0


More information for this water system: SDWIS ID 715
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