OHA Drinking Water Services
OR41
PWS ID: 01308 ---- TRAPPIST ABBEY
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
6/8/2022  6/20/2022 5 6 months 0.0070 0.451
7/30/2021  8/11/2021 5 6 months 0.0110 0.482
9/18/2017  5 3 years 0 0.105
9/15/2014  5 3 years 0 0.359
8/24/2011  9/12/2011 5 3 years 0 0.113
7/13/2010  8/16/2010 5 3 years 0.0025 0.100
7/28/2005  8/8/2005 5 3 years 0.0050 0.100
11/4/2002  11/18/2002 5 3 years 0.0100 0.030
1/1/1999  -  12/31/19991/14/2000 5 1 year 0.0040 0.030
1/1/1996  -  9/23/199610/21/1996 5 1 year 0.0010 0
1/1/1995  -  8/14/19958/25/1995 5 1 year 0.0030 0.065
1/1/1994  -  3/18/19944/8/1994 5 6 months 0.0040 0.025
7/1/1993  -  7/19/19938/9/1993 5 6 months 0.0055 0.040


More information for this water system: SDWIS ID 4139
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