Environmental Enlightenment #313
By Ami Adini - Issued July 19, 2019
This is a SHORT, LIGHT and SIMPLE newsletter. Its purpose is to rekindle in the initiated terminology they have once learned, and enlighten the uninitiated on terms they may have heard but never known the meaning of.
Basins
If you dip into environmental reports, you will likely run into the term basin.

The essential concept of basin is water container (derives from Latin bacinus, bacca )  
http://pacojaanson.com.au
A natural depression on the earth's surface, typically containing water is called basin .
A basin is a tract of country drained by a river and its tributaries, or which drains into a lake or sea.

Here are the Greater Los Angeles basins:
https://pubs.usgs.gov
A basin in geology is a confined rock formation where the strata dip toward the center.
www.bioregionalassessments.gov.au/
A Groundwater Basin is a flow system that has defined boundaries and may include more than one aquifer. The basin includes both the surface area and the permeable materials beneath it. 
www.nationalgeographic.org
It could be a groundwater reservoir that is more or less separate from neighboring groundwater reservoirs. 
https://valleywaternews.org
You can find past issues of our "Environmental Enlightenment" at  amiadini.com  Wealth of information about environmental site assessments in the real estate transactions and issues concerning assessment and cleanup of contamination in the subsurface soil and groundwater.
Call me if you have any questions. There are  no obligations.
Ami Adini Environmental Services, Inc.
Environmental Consultants & General Engineering Contractors
California Lic. #1009513 A B HAZ ASB
818-824-8102 ;  mail@amiadini.com

Ami Adini is a veteran environmental practitioner with over 40 years of experience. He carries a Bachelor of Science degree (B.Sc.) in Mechanical Engineering including academic credits in Nuclear and Chemical Engineering and postgraduate education in these fields. His career includes design and construction of nuclear plant facilities, chemical processing plants and hazardous wastewater treatment systems. He is a former California Registered Environmental Assessor Levels I & II in the 1988-2012 registry that certified environmental professionals in the assessment and remediation of environmentally impacted land, and a Registered Environmental Professional (REP) since 1989 with the National Registry of Environmental Professionals (NREP). He is a California Business & Professions Code Qualifying Responsible Managing Officer (RMO) in the General Engineering Contractor classification with Hazardous Substance Removal and Asbestos certifications, and president of AMI ADINI ENVIRONMENTAL SERVICES, INC. (AAES), a general engineering contractor and consulting firm specializing in environmental site assessments, rehabilitation of contaminated sites and removal of environmental risks from real-estate transactions. (Contact Ami for a complete resume.)  AAES provides practical solutions to environmental concerns using the highest standards of ethics and integrity while providing its clients with maximum return on their investments.