CA Drinking Water Watch

Links

PS Code Transition

Water System Details

Water System Facilities  

Monitoring Schedules

Monitoring Results

Monitoring Results By Analyte

Lead And Copper Sampling

Violations/Enforcement Actions

Site Visits

Consumer Confidence Reports

  • Templates
  • 2023
  • 2022
  • 2021
  • 2020
  • 2019
  • 2018

Lead Service Line Documents

Return Links

Water System Search

County Map

Glossary

Contact Info

 

 

Lead and Copper Sample Summary Results Tips on using table


Water System No. : CA0710007 Federal Type : C
Water System Name : DIABLO WATER DISTRICT State Type : C
Principal County Served : CONTRA COSTA Primary Source : SWP
Status : A Activity Date : 03-22-1979
Distribution System Classification : D3 Max Treatment Plant Classification : T2

Click to hide / show columns: MP | MP Begin | MP End | Type | # Samples | Measure | Units | Analyte Code/Name | Begin Sampling| End Sampling

MP * MP Begin MP End Type # Samples Measure Units Analyte Code/Name Begin Sampling End Sampling
MP * MP Begin MP End Type # Samples Measure Units Analyte Code/Name Begin Sampling End Sampling
3Y2020-2022 01-01-2020 12-31-2022 90 29 0.0019 MG/L PB90 - LEAD SUMMARY 06-21-2022 06-30-2022
3Y2020-2022 01-01-2020 12-31-2022 90 29 0.241 MG/L CU90 - COPPER SUMMARY 06-21-2022 06-30-2022
3Y2017-2019 01-01-2017 12-31-2019 90 30 0.0 MG/L PB90 - LEAD SUMMARY 06-26-2019 06-28-2019
3Y2017-2019 01-01-2017 12-31-2019 AL 2 exceeding Action Level --- --- PB90 - LEAD SUMMARY 06-26-2019 06-28-2019
3Y2017-2019 01-01-2017 12-31-2019 90 30 0.14 MG/L CU90 - COPPER SUMMARY 06-26-2019 06-28-2019
3Y2014-2016 01-01-2014 12-31-2016 90 31 MG/L PB90 - LEAD SUMMARY 06-22-2016 06-24-2016
3Y2014-2016 01-01-2014 12-31-2016 90 31 0.12 MG/L CU90 - COPPER SUMMARY 06-22-2016 06-24-2016
3Y2011-2013 01-01-2011 12-31-2013 90 30 0 MG/L PB90 - LEAD SUMMARY 06-01-2013 06-30-2013
3Y2011-2013 01-01-2011 12-31-2013 90 30 0.148 MG/L CU90 - COPPER SUMMARY 06-01-2013 06-30-2013
3Y2008-2010 01-01-2008 12-31-2010 90 36 0 MG/L PB90 - LEAD SUMMARY 07-30-2010 07-30-2010
3Y2008-2010 01-01-2008 12-31-2010 90 36 0.214 MG/L CU90 - COPPER SUMMARY 07-30-2010 07-30-2010
YR2007 01-01-2007 12-31-2007 90 38 0 MG/L PB90 - LEAD SUMMARY 07-01-2007 07-01-2007
YR2007 01-01-2007 12-31-2007 90 38 0.23 MG/L CU90 - COPPER SUMMARY 07-01-2007 07-01-2007
YR2006 01-01-2006 12-31-2006 90 31 0.07 MG/L CU90 - COPPER SUMMARY 07-01-2006 07-01-2006
YR2006 01-01-2006 12-31-2006 90 31 0 MG/L PB90 - LEAD SUMMARY 07-01-2006 07-01-2006
YR2005 01-01-2005 12-31-2005 90 34 0 MG/L PB90 - LEAD SUMMARY 01-01-2005 01-01-2005
YR2005 01-01-2005 12-31-2005 90 34 0.14 MG/L CU90 - COPPER SUMMARY 01-01-2005 01-01-2005
YR2004 01-01-2004 12-31-2004 90 30 0.096 MG/L CU90 - COPPER SUMMARY 07-01-2004 07-01-2004
YR2004 01-01-2004 12-31-2004 90 30 0 MG/L PB90 - LEAD SUMMARY 07-01-2004 07-01-2004
YR2003 01-01-2003 12-31-2003 90 36 0.001 MG/L PB90 - LEAD SUMMARY 07-01-2003 07-01-2003
YR2003 01-01-2003 12-31-2003 90 36 0.0365 MG/L CU90 - COPPER SUMMARY 07-01-2003 07-01-2003
YR2002 01-01-2002 12-31-2002 90 40 0.062 MG/L CU90 - COPPER SUMMARY 07-01-2002 07-01-2002
YR2002 01-01-2002 12-31-2002 90 40 0.002 MG/L PB90 - LEAD SUMMARY 07-01-2002 07-01-2002
YR2001 01-01-2001 12-31-2001 90 40 0.002 MG/L PB90 - LEAD SUMMARY 07-01-2001 07-01-2001
YR2001 01-01-2001 12-31-2001 90 40 0.043 MG/L CU90 - COPPER SUMMARY 07-01-2001 07-01-2001
YR2000 01-01-2000 12-31-2000 90 46 0.041 MG/L CU90 - COPPER SUMMARY 06-01-2000 06-01-2000
YR2000 01-01-2000 12-31-2000 90 46 0.002 MG/L PB90 - LEAD SUMMARY 06-01-2000 06-01-2000
YR1999 01-01-1999 12-31-1999 90 46 0.003 MG/L PB90 - LEAD SUMMARY 08-01-1999 08-01-1999
YR1999 01-01-1999 12-31-1999 90 46 0.041 MG/L CU90 - COPPER SUMMARY 08-01-1999 08-01-1999
YR1998 01-01-1998 12-31-1998 90 46 0.046 MG/L CU90 - COPPER SUMMARY 06-01-1998 06-01-1998
YR1998 01-01-1998 12-31-1998 90 46 0.002 MG/L PB90 - LEAD SUMMARY 06-01-1998 06-01-1998
YR1997 01-01-1997 12-31-1997 90 48 0.003 MG/L PB90 - LEAD SUMMARY 08-01-1997 08-01-1997
YR1997 01-01-1997 12-31-1997 90 48 0.044 MG/L CU90 - COPPER SUMMARY 08-01-1997 08-01-1997
YR1996 01-01-1996 12-31-1996 90 49 0 MG/L CU90 - COPPER SUMMARY 06-01-1996 06-01-1996
YR1996 01-01-1996 12-31-1996 90 49 0.005 MG/L PB90 - LEAD SUMMARY 06-01-1996 06-01-1996
YR1995 01-01-1995 12-31-1995 90 44 0.003 MG/L PB90 - LEAD SUMMARY 06-01-1995 06-01-1995
YR1995 01-01-1995 12-31-1995 90 44 0 MG/L CU90 - COPPER SUMMARY 06-01-1995 06-01-1995
6M2ND-1994 07-01-1994 12-31-1994 90 55 0.005 MG/L PB90 - LEAD SUMMARY 09-01-1994 09-01-1994
6M2ND-1994 07-01-1994 12-31-1994 90 55 0 MG/L CU90 - COPPER SUMMARY 09-01-1994 09-01-1994
YR1994 01-01-1994 12-31-1994 90 24 0 MG/L PB90 - LEAD SUMMARY 11-01-1994 11-01-1994
YR1994 01-01-1994 12-31-1994 90 24 0.27 MG/L CU90 - COPPER SUMMARY 11-01-1994 11-01-1994
6M2ND-1993 07-01-1993 12-31-1993 90 60 0 MG/L CU90 - COPPER SUMMARY 11-01-1993 11-01-1993
6M2ND-1993 07-01-1993 12-31-1993 90 60 0.003 MG/L PB90 - LEAD SUMMARY 11-01-1993 11-01-1993
6M2ND-1992 07-01-1992 12-31-1992 90 69 0 MG/L PB90 - LEAD SUMMARY 08-01-1992 08-01-1992
6M2ND-1992 07-01-1992 12-31-1992 90 69 0.05 MG/L CU90 - COPPER SUMMARY 08-01-1992 08-01-1992

* MP is monitoring period which can be triennial (3Y), annual (YR), 1st six months (6M1ST), or 2nd six months (6M2ND)