OHA Drinking Water Services
OR41
PWS ID: 94399 ---- MARION CO PUBLIC WORKS
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
7/27/2021  8/31/2021 5 3 years 0.0025 0
7/17/2018  8/13/2018 5 3 years 0.0045 0.215
8/28/2015  9/16/2005 5 3 years 0.0010 0.349
8/22/2012  10/10/2012 5 3 years 0 0.302
6/2/2009  7/6/2009 5 3 years 0 0
1/1/1997  -  7/22/19979/10/1997 5 1 year 0.0120 0.302
1/1/1996  -  7/10/19969/24/1996 5 1 year 0 0.198
1/1/1995  -  10/11/199512/20/1995 5 1 year 0.0032 0.481
1/1/1994  -  3/14/19946/10/1994 5 6 months 0 0.352
7/1/1993  -  12/29/19931/24/1994 5 6 months 0 0.225


More information for this water system: SDWIS ID 1746
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