OHA Drinking Water Services
OR41
PWS ID: 90580 ---- MONITOR OLD-RITE 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
8/4/2023  9/11/2023 5 3 years 0.0018 0
9/17/2020  9/29/2020 5 3 years 0.0058 0
9/29/2009  10/9/2009 5 3 years 0.0061 0
12/19/2006  5 3 years 0 0.060
1/1/1998  -  10/1/199810/21/1998 5 1 year 0.0020 0.199
1/1/1997  -  9/10/199710/21/1997 5 1 year 0 0.210
1/1/1995  -  6/14/19956/23/1995 5 1 year 0.0010 0.070
1/1/1994  -  6/22/19946/30/1994 10 6 months 0.0090 0.590
7/1/1993  -  9/28/199310/21/1993 10 6 months 0.0060 0.130


More information for this water system: SDWIS ID 710
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