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Nitrate Contamination in California Groundwater:
An Integrated Approach to Basin Assessment
and Resource Protection
An LLNL Water Initiative White Paper
Lawrence Livermore National Laboratory
10 December 2002
Nitrate in California Drinking Water Supply Wells
100% r 100%
Water impacted Water exceeding
by anthropgenic nitrate nitrate MCL
80% -_- 80%
--- State (9,752)
SStanislaus (260)
60% -+-Santa Clara (415) 60%
--Los Angeles (1,217)
40% 40%
20% 20%
0% '-- 0%
>0 >2 >4 >6 >8 >10 >12 >14
Maximum Nitrate-N Reported (mg/L as N)
LLNL Nitrate Working Group
Bradley K. Esser, G. Bryant Hudson, Jean E. Moran
Chemistry & Material Science Directorate
Harry Beller, Tina Carlsen, Brendan Dooher, Paula Krauter,
Walt Mcnab, Vic Madrid, Dave Rice, Matthew Verce
Environmental Protection Department
Nina Rosenberg
Earth and Energy Directorate
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Esser, B. K.; Hudson, G. B.; Moran, J. E.; Beller, H.; Carlsen, T.; Dooher, B. et al. Nitrate Contamination in California Groundwater: An Integrated Approach to Basin Assessment and Resource Protection, report, January 10, 2011; Livermore, California. (https://digital.library.unt.edu/ark:/67531/metadc844915/m1/3/: accessed July 17, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.