OHA Drinking Water Services
OR41
PWS ID: 00248 ---- DALLAS, CITY OF
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
8/6/2024  -  8/15/20248/30/2024 32 3 years 0.0043 0.145 9/16/2024
8/13/2021  -  8/17/20219/16/2021 32 3 years 0.0107 0.201 10/18/2022
8/13/2018  -  9/5/20189/24/2018 31 3 years 0.0010 0.133 9/21/2018
8/18/2015  -  9/1/201510/15/2015 51 1 year 0.0070 0.134
8/12/2014  -  8/18/20149/5/2014 51 1 year 0.0030 0.135
8/21/2013  -  8/24/20139/26/2013 54 1 year 0.0050 0.128
8/5/2012  -  8/22/20129/24/2012 61 6 months 0.0060 0.134
11/28/2011  -  12/7/20111/4/2012 60 6 months 0.0050 0.163
2/11/2011  -  3/9/20113/23/2011 62 6 months 0.0160 0.126
8/24/2010  -  8/28/201010/5/2010 60 6 months 0.0100 0.138
8/13/2008  -  8/15/200810/1/2008 30 3 years 0.0570 0.210
8/10/2005  -  8/11/200510/6/2005 32 3 years 0.0020 0.370
9/9/2002  -  9/11/200210/10/2002 30 3 years 0.0020 0.509
1/1/1999  -  8/11/199911/12/1999 30 3 years 0 0.090
1/1/1996  -  9/26/199611/20/1996 30 1 year 0 0.128
1/1/1995  -  8/21/19959/25/1995 30 1 year 0 0.098
1/1/1994  -  8/8/19949/28/1994 30 1 year 0 0.137
1/1/1993  -  6/28/19937/28/1993 60 6 months 0 0.054
7/1/1992  -  12/8/19921/8/1993 60 6 months 0 0.112


More information for this water system: SDWIS ID 3885
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