OHA Drinking Water Services
OR41
PWS ID: 00523 ---- GREEN ACRES MHP - UMATILLA CO
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
9/30/2021  10/7/2021 5 3 years 0.0040 0.303
9/6/2018  10/10/2018 5 3 years 0 0
9/24/2014  10/22/2014 5 3 years 0 0.028
9/21/2011  -  9/22/201110/10/2011 5 3 years 0.0095 0.037
3/8/2005  -  3/10/20053/31/2005 5 3 years 0 0.072
1/1/1998  -  9/8/19989/23/1998 5 1 year 0.0005 0.013
1/1/1997  -  9/3/19979/2/1998 5 1 year 0.0002 0.003
1/1/1995  -  11/6/19954/3/1996 5 1 year 0 0.085
7/1/1994  -  7/13/19948/4/1994 10 6 months 0.0005 0
7/1/1993  -  10/13/199311/2/1993 10 6 months 0.0125 0.065


More information for this water system: SDWIS ID 3754
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