OHA Drinking Water Services
OR41
PWS ID: 00312 ---- GASTON, 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
9/9/2021  -  9/17/20219/27/2021 10 3 years 0 0.069
6/19/2018  7/23/2018 10 3 years 0 0.164
9/29/2016  10/7/2016 1 3 years 0 0
9/28/2015  -  9/29/201510/29/2015 9 3 years 0.0080 0.069
9/23/2011  -  9/29/201110/24/2011 10 3 years 0 0.300
9/27/2010  -  10/4/201011/1/2010 10 3 years 0.0025 0.170
9/28/2004  -  10/1/200410/15/2004 10 3 years 0.0030 0.090
1/1/1997  -  10/8/199711/3/1997 10 1 year 0.0010 0.640
1/1/1996  -  9/25/199610/25/1996 10 1 year 0.0080 0.070
1/1/1995  -  9/27/199510/25/1995 10 1 year 0.0090 0.460
7/1/1994  -  7/15/19949/13/1994 20 6 months 0.0030 0.400
7/1/1993  -  12/12/19932/25/1994 20 6 months 0.0130 1.050


More information for this water system: SDWIS ID 4036
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