OHA Drinking Water Services
OR41
PWS ID: 00985 ---- HILLSBORO-CHERRY GROVE
Lead & Copper

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Summary Results
Detailed Results
Service Lines
90th Percentile Summary Results

Sample Dates Date
Received
Sample
Count
Frequency Lead
(mg/L)
Copper
(mg/L)
Consumer
Notice Date
6/8/2021  6/10/20216/24/2021 10 3 years 0.0021 0.100 7/6/2021
6/5/2018  6/11/20186/29/2018 11 3 years 0.0050 0.084 7/18/2018
6/10/2015  6/11/20157/7/2015 15 3 years 0.0040 0.113
6/5/2012  6/12/20126/21/2012 10 3 years 0.0020 0.143
6/3/2009  6/4/20096/25/2009 12 3 years 0.0140 0.340
8/4/2005  8/15/2005 11 3 years 0.0130 0.040
11/21/2002  12/24/2002 5 3 years 0.0045 0.705
1/1/2001  10/30/200111/13/2001 5 1 year 0.0040 0.510
1/1/2000  12/11/20001/16/2001 5 1 year 0.0030 0.620
1/1/1999  7/1/199910/20/1999 5 1 year 0.0025 0.480
1/1/1996  3/31/19985/29/1998 5 1 year 0.0038 0.520
1/1/1997  9/16/199710/26/1997 5 1 year 0.0034 0.600
1/1/1996  11/13/19964/24/1997 5 1 year 0.0170 1.100
1/1/1995  7/28/199510/2/1995 5 1 year 0.0059 0.509
1/1/1994  3/16/19943/22/1994 10 6 months 0.0080 1.010
7/1/1993  11/12/199312/21/1993 10 6 months 0.0060 0.840



More information for this water system: SDWIS ID 4006
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Chemical Summary  ::  Chemical Results  ::  Chemical Schedules  ::  Chemical Schedule Summary  ::  Arsenic RAA  ::  Cyanotoxins  ::  PFAS
Lead & Copper  ::  Corrosion Control (LCR)  ::  DBP Sample Sites  ::  FANLs  ::  MRDL  ::  GWR 4-Log  ::  Turbidity  ::  SWTR  ::  LRAA
Something missing? The new Chemical Results page replaces many pages, including arsenic and nitrate.

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