OHA Drinking Water Services
OR41
PWS ID: 00321 ---- GLADSTONE, 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
8/1/2023  -  8/28/2023 30 3 years 0 0.110
8/1/2023  -  8/28/20239/12/2023 30 3 years 0.0033 0.110
8/19/2020  -  9/23/2020 30 3 years 0 0.047
8/19/2020  -  9/23/202010/1/2020 30 3 years 0.0019 0.047
7/19/2017  -  8/22/2017 30 3 years 0 0.046
7/19/2017  -  8/22/20179/15/2017 30 3 years 0.0041 0.046 9/12/2017
6/19/2014  -  7/9/2014 30 3 years 0 0.065
6/19/2014  -  7/9/20148/7/2014 30 3 years 0.0057 0.065
8/25/2011  -  9/6/201110/17/2011 30 3 years 0.0043 0.029
8/5/2008  -  8/26/20089/29/2008 30 3 years 0.0070 0
6/17/2005  -  7/29/200510/10/2005 33 3 years 0.0140 0.280
8/26/2002  -  10/4/200210/10/2002 32 3 years 0.0120 0.240
1/1/1999  -  6/1/199910/12/1999 30 3 years 0.0030 0.230
1/1/1996  -  6/27/199610/10/1996 30 1 year 0.0045 0.220
1/1/1995  -  7/11/199510/11/1995 30 1 year 0.0040 0.420
1/1/1994  -  6/1/199410/7/1994 30 1 year 0.0030 0.430
1/1/1993  -  5/28/19936/28/1993 60 6 months 0.0080 0.580
7/1/1992  -  10/17/199211/17/1992 60 6 months 0.0130 0.470


More information for this water system: SDWIS ID 4039
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