Agricultural

Typically, contaminants that impair the groundwater resources of agricultural wells are a consequence of extensive land use through fertilization, livestock, and machinery. Common contaminants include pesticides, total dissolved solids (TDS), and fertilizer nutrients such as boron, nitrogen, and phosphorus. If not mitigated, these contaminants pose unintended environmental impacts as these contaminants do not remain stationary and can migrate off-site to local streams, rivers, and lakes.

From BESST’s experience, we find there are two important questions to ask when it comes to groundwater resources for agriculture.

  1. Is the groundwater quality acceptable for agricultural use?
  2. Will agriculture practices potentially contaminate the groundwater resource?

In 2018, BESST investigated an agricultural well in Paso Robles with water quality concerns of arsenic, boron, and TDS. After conducting a dynamic flow and depth-dependent chemistry analysis, BESST was able to rapidly delineate the flow production of the well at discrete-depth intervals and simultaneously find the depth interval where arsenic and boron concentrations were highest and where they seemingly attenuated. Not only did these results produce invaluable information about the production of the well and the chemistry of the surrounding aquifer(s); but as an outcome, BESST was able to produce recommendations to the client on how deep to drill new exploratory boreholes for constructing new wells, how to gain more knowledge of the aquifer, and going forward how to mitigate the water quality concerns.



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50 Tiburon St, Suite 7
San Rafael, CA 94901

Office: (415) 453-2501
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Leslie Emmens
Main Office
lemmens@besst-inc.com
(415) 453-2501 ext. 101
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Noah Heller, MS, PG
President/Founder
nheller@besst-inc.com
(415) 302-7354
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Miles Koehler
Inside Sales and Technical Info
mkoehler@besst-inc.com
(510) 414-9984
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James Tsumura
Outside Sales
jtsumura@besst-inc.com
(626) 512-3715

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