OHA Drinking Water Services
OR41
PWS ID: 00407 ---- RYANS OUTPOST
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
7/8/2024  -  7/9/20247/31/2024 5 3 years 0.0034 0.070
7/12/2021  -  7/13/20217/26/2021 5 3 years 0.0098 0.173
7/9/2018  7/16/2018 5 3 years 0.0040 0.052
7/27/2015  -  7/29/20158/5/2015 5 3 years 0.0057 0.316
9/16/2012  -  9/28/201210/9/2012 5 3 years 0.0027 0.023
9/29/2009  10/8/2009 5 3 years 0.0030 0.122
1/1/1999  -  10/1/199910/18/1999 5 1 year 0.0042 0.055
1/1/1998  -  9/30/199810/19/1998 5 1 year 0 0.028
1/1/1997  -  8/26/19979/12/1997 5 1 year 0 0
7/1/1996  -  7/3/19967/12/1996 5 6 months 0.0040 0.050
7/1/1995  -  12/27/19951/2/1996 5 6 months 0 0


More information for this water system: SDWIS ID 3332
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