OHA Drinking Water Services
OR41
PWS ID: 00356 ---- GRASS VALLEY WATER SYSTEM
Lead & Copper

More Information
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
8/26/2022  8/29/202210/10/2022 5 3 years 0.0045 0.052
8/22/2019  8/24/20199/6/2019 5 3 years 0.0011 0.095
7/5/2016  7/7/20167/21/2016 5 3 years 0.0003 0.077
9/3/2013  9/11/2013 5 3 years 0.0006 0.072
8/31/2010  10/7/2010 5 3 years 0.0008 0.079
12/28/2006  1/9/2007 5 3 years 0 0
3/1/2001  3/7/20017/9/2002 5 1 year 0.0070 0.070
1/1/1997  12/9/19974/2/1998 5 1 year 0.0007 0.085
1/1/1995  11/14/19954/2/1998 5 1 year 0 0
1/1/1994  3/23/19945/9/1995 10 6 months 0.0050 0
7/1/1993  7/20/19939/2/1993 10 6 months 0.0010 0



More information for this water system: SDWIS ID 3321
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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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