OHA Drinking Water Services
OR41
PWS ID: 00055 ---- ASTORIA, CITY OF
Lead & Copper

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90th Percentile Summary Results

Sample Dates Date
Received		 Sample
Count		 Frequency Lead
(mg/L)		 Copper
(mg/L)		 Consumer
Notice Date
8/28/2024  -  9/18/202410/1/2024 30 3 years 0.0016 0.272
8/4/2021  -  9/8/20219/24/2021 20 3 years 0.0030 0.265
6/6/2018  -  8/2/20189/4/2018 20 3 years 0.0030 0.240
8/12/2015  -  8/24/20159/21/2015 20 3 years 0.0060 0.374
9/10/2012  -  9/12/201210/1/2012 20 3 years 0.0150 0.372
8/10/2010  -  8/12/201012/21/2010 20 3 years 0.0050 0.400
8/7/2007  -  9/20/200710/29/2007 20 3 years 0.0110 0.330
8/4/2004  -  8/5/20049/22/2004 20 3 years 0.0050 0.240
1/1/2001  -  7/18/200110/11/2001 20 3 years 0.0040 0.330
1/1/1998  -  7/22/19989/23/1998 20 1 year 0.0020 0.400
1/1/1996  -  6/10/19977/29/1997 20 1 year 0.0020 0.430
1/1/1996  -  7/2/19967/6/1996 20 1 year 0.0030 0.720
7/1/1995  -  9/27/199510/26/1995 40 6 months 0.0070 0.570
1/1/1995  -  4/26/19955/23/1995 40 6 months 0.0080 0.780
1/1/1993  -  4/25/19935/25/1993 40 6 months 0.0210 2.610
7/1/1992  -  11/1/199212/1/1992 40 6 months 0.0270 2.010


More information for this water system: SDWIS ID 3873
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