OHA Drinking Water Services
OR41
PWS ID: 00320 ---- GILCHRIST WATER SYSTEM LLC
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
8/2/2023  -  8/3/20238/17/2023 5 3 years 0.0012 0.012
7/20/2020  7/29/2020 5 3 years 0.0005 0.007
6/19/2017  7/5/2017 5 3 years 0.0020 0.007
7/18/2014  -  7/20/20148/19/2014 5 3 years 0.0020 0.030
7/20/2011  7/30/2011 5 3 years 0.0010 0.041
6/20/2008  -  6/25/20088/5/2008 5 3 years 0 0
8/11/2005  -  8/12/20059/21/2005 5 3 years 0.0010 0.100
8/27/2002  -  8/29/20029/23/2002 10 3 years 0.0040 0.019
1/1/1999  -  9/21/199912/10/1999 10 1 year 0.0028 0.005
1/1/1997  -  9/15/199711/10/1997 10 1 year 0 0
1/1/1996  -  8/28/199611/14/1996 10 1 year 0.0022 0.020
1/1/1994  -  5/22/19946/17/1994 20 6 months 0.0029 0.015
7/1/1993  -  8/16/19936/17/1994 20 6 months 0.0046 0.025


More information for this water system: SDWIS ID 3304
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