OHA Drinking Water Services
OR41
PWS ID: 01450 ---- UNITY, CITY OF
Lead & Copper

More Information
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
8/16/2023  5 3 years 0 0.354
8/16/2023  9/1/2023 5 3 years 0.0045 0.354
8/26/2020  9/11/2020 5 3 years 0.0171 0.575
8/13/2019  9/6/2019 4 3 years 0 0.520
9/15/2015  9/16/201510/5/2015 5 3 years 0.0021 0.132
9/12/2012  10/5/2012 5 3 years 0.0017 0.157
8/12/2009  10/19/2009 5 3 years 0.0029 0.109
12/29/2006  12/30/20063/2/2007 10 3 years 0.0398 0.238
12/13/2005  1/5/2006 10 3 years 0 0.580
12/16/2003  2/2/2004 10 6 months 0.0020 2.100
12/5/2002  1/21/2003 10 6 months 0 1.640
1/1/2001  12/11/20012/20/2002 10 6 months 0.0140 2.040
1/1/2000  12/19/20002/7/2001 5 1 year 0 1.490
1/1/1999  11/10/19992/10/2000 5 1 year 0.0210 0
1/1/1996  12/10/199810/6/1999 5 1 year 0.0060 0.260
1/1/1997  12/29/199710/28/1999 5 1 year 0.0120 0.490
1/1/1996  11/1/199612/18/1996 5 1 year 0.0170 0.150
1/1/1995  8/8/199512/18/1996 5 1 year 0.0040 1.570
7/1/1994  7/18/19945/17/1995 10 6 months 0.0130 0.490
1/1/1994  5/3/19946/8/1994 10 6 months 0.0025 0.310



More information for this water system: SDWIS ID 3858

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