OHA Drinking Water Services
OR41
PWS ID: 00950 ---- WESTPORT WATER ASSOCIATION
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
9/17/2022  -  9/19/20229/30/2022 10 3 years 0.0060 0.112
9/17/2019  -  9/23/201910/3/2019 10 3 years 0.0040 0.132
9/13/2016  10/7/2016 10 3 years 0 0.159
9/10/2013  -  9/11/20139/24/2013 10 3 years 0.0030 0.082
9/21/2010  -  9/22/201010/27/2010 10 3 years 0.0050 0.140
9/11/2006  -  9/14/20062/9/2007 10 3 years 0.0100 0.460
9/17/2003  10/23/2003 10 3 years 0.0020 0.360
1/1/2000  -  9/28/200010/17/2000 10 1 year 0.0040 0.270
1/1/1999  -  12/16/19991/4/2000 10 1 year 0.0050 0.270
1/1/1998  -  11/5/199811/23/1998 10 1 year 0.0090 0.420
1/1/1997  -  1/22/199711/3/2000 10 1 year 0.0100 0.499
1/1/1995  -  9/14/199510/17/1998 10 1 year 0.0050 0.510
1/1/1994  -  1/20/19942/4/1994 20 6 months 0.0130 0.720
7/1/1993  -  10/22/199311/24/1993 20 6 months 0.0100 0.630


More information for this water system: SDWIS ID 3919
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