OHA Drinking Water Services
OR41
PWS ID: 01096 ---- LAIDLAW WATER DISTRICT
Lead & Copper

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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
2/20/2023  3/15/2023 20 6 months 0.0045 0.093
8/28/2022  -  8/29/20229/16/2022 20 6 months 0.0020 0.041
7/10/2019  7/18/2019 20 6 months 0 0.046
1/18/2019  -  1/21/20191/31/2019 20 6 months 0.0010 0.042
8/1/2016  2/7/2017 5 3 years 0 0.044
9/4/2013  -  9/17/201310/14/2013 5 3 years 0.0100 0.043
9/17/2010  10/4/2010 5 3 years 0 0.110
8/30/2007  -  9/6/20079/25/2007 5 3 years 0.0050 0.078
11/30/2004  -  12/2/200412/22/2004 5 3 years 0.0015 0.049
1/1/2001  -  12/17/20011/11/2002 5 3 years 0.0018 0.046
1/1/1997  -  10/3/19976/20/2000 5 1 year 0 0.075
1/1/1996  -  9/27/19965/15/1997 5 1 year 0.0045 0.040
1/1/1995  -  9/25/19955/15/1997 5 1 year 0.0009 0.079
1/1/1994  -  6/29/199412/16/1994 10 6 months 0.0015 0.034
7/1/1993  -  12/22/199312/16/1994 10 6 months 0.0015 0.046


More information for this water system: SDWIS ID 3815
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