OHA Drinking Water Services
OR41
PWS ID: 00865 ---- ROWENA CREST MANOR
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
9/20/2024  5 3 years 0 0.142
9/20/2024  10/3/2024 5 3 years 0.0122 0.142
8/27/2021  5 3 years 0 0.213
8/27/2021  9/10/2021 5 3 years 0.0033 0.213
8/3/2018  5 3 years 0 0.283
8/3/2018  8/13/2018 5 3 years 0.0008 0.283
9/3/2015  5 3 years 0 0.038
9/3/2015  11/6/2015 5 3 years 0.0020 0.038
9/11/2012  5 3 years 0 0.415
9/11/2012  9/26/2012 5 3 years 0.0010 0.415
9/18/2009  10/19/2009 5 3 years 0.0010 0.180
6/19/2006  6/28/2006 5 3 years 0.0040 0.735
7/18/2002  -  8/1/20028/22/2002 5 1 year 0.0020 0.475
1/1/1999  -  7/27/19991/22/2001 5 1 year 0.0090 0.390
1/1/1998  -  10/7/19981/22/2001 5 1 year 0.0029 0.290
7/1/1994  -  9/6/19949/13/1994 5 6 months 0.0020 1.740
1/1/1993  -  6/25/199310/4/1994 5 6 months 0.0420 0.050


More information for this water system: SDWIS ID 3455
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