OHA Drinking Water Services
OR41
PWS ID: 00335 ---- SUNNY SLOPE MOBILE RANCH
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
9/23/2025  9/30/2025 5 3 years 0.0003 0.006
9/28/2022  10/7/2022 5 3 years 0.0005 0.008
9/10/2019  9/18/2019 5 3 years 0.0019 0.034
9/25/2015  -  9/27/2016 10 3 years 0 0.004
9/27/2016  10/5/2016 5 3 years 0.0003 0.003
9/25/2015  10/5/2015 5 3 years 0.0004 0.007
9/25/2012  -  9/26/2012 5 3 years 0 0.003
9/25/2012  -  9/26/201210/2/2012 5 3 years 0.0007 0.003
7/27/2009  -  7/28/20098/6/2009 5 3 years 0.0016 0.012
11/30/2005  1/27/2005 5 3 years 0.0099 0.009
7/18/2002  8/27/2002 5 1 year 0.0032 0
1/1/1994  -  1/24/19945/8/1995 5 6 months 0.0050 0.062
1/1/1993  -  6/28/19937/6/1993 5 6 months 0.0045 0


More information for this water system: SDWIS ID 3308
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