OHA Drinking Water Services
OR41
PWS ID: 00772 ---- CHAPARRAL MOBILE RANCH
Lead & Copper

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Summary Results
Detailed Results
Corrosion Control
Service Lines
90th Percentile Summary Results

Sample Dates Date
Received		 Sample
Count		 Frequency Lead
(mg/L)		 Copper
(mg/L)		 Consumer
Notice Date
7/31/2024  5 3 years 0 0.220
7/31/2024  8/8/2024 5 3 years 0.0006 0.220
6/14/2021  -  6/15/2021 5 3 years 0 0.154
6/14/2021  -  6/15/20216/24/2021 5 3 years 0 0.154
7/19/2018  -  8/1/2018 5 3 years 0 0.159
7/19/2018  -  8/1/20188/9/2018 5 3 years 0 0.159
8/6/2015  5 3 years 0 0.149
8/6/2015  8/31/2015 5 3 years 0 0.149
9/12/2012  5 3 years 0 0.093
9/12/2012  10/12/2012 5 3 years 0 0.093
8/11/2009  10/5/2009 5 3 years 0.0032 0.135
9/26/2006  11/17/2006 5 3 years 0 0.180
8/8/2003  10/1/2003 5 3 years 0 0.117
1/1/1999  -  8/30/200011/13/2000 5 3 years 0 0.159
1/1/1997  -  8/15/199710/31/1997 5 1 year 0 0.198
1/1/1996  -  8/26/199610/22/1996 5 1 year 0 0.081
1/1/1995  -  7/12/19958/29/1995 5 1 year 0 0.148
1/1/1994  -  6/6/19947/12/1994 10 6 months 0 0.235
7/1/1993  -  12/6/19931/10/1994 10 6 months 0 0.283


More information for this water system: SDWIS ID 3421
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