OHA Drinking Water Services
OR41
PWS ID: 01311 ---- LAUREL RIDGE MHP
Lead & Copper

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Corrosion Control
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90th Percentile Summary Results

Sample Dates Date
Received		 Sample
Count		 Frequency Lead
(mg/L)		 Copper
(mg/L)		 Consumer
Notice Date
6/28/2022  -  6/29/20227/20/2022 5 3 years 0.0060 0.067
6/8/2020  -  8/6/20208/28/2020 10 3 years 0.0040 0
7/16/2019  -  7/17/20198/1/2019 5 3 years 0.0030 0.029
9/7/2016  9/27/2016 5 3 years 0.0134 0.227
9/25/2013  10/14/2013 5 3 years 0.0040 0.045
9/27/2010  10/27/2010 5 3 years 0.0080 0.145
8/3/2006  9/6/2006 5 3 years 0.0015 0.045
1/1/1996  -  7/3/19967/22/1996 5 1 year 0 0
1/1/1996  -  5/9/19965/20/1996 10 6 months 0.0010 0.070
7/1/1994  -  12/2/19945/22/1996 10 6 months 0.0010 0.035


More information for this water system: SDWIS ID 3614
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