High permeability in the BA and BZ are a result of this type of geology
What is Karst? What is diagenetic alteration? What is dissolution? What is secondary permeability?
“any excavation that is drilled, cored, bored, washed, driven, dug, jetted or otherwise constructed when the intended use of such excavation is for the location, acquisition, development or artificial recharge of groundwater or removal of water from beneath the ground”
What is a well? Section 24-5.1
Subterranean worm-like predator in the movie Tremors detected by a seismologist.
What is a Graboid?
Groundwater in the Biscayne aquifer generally flows in this direction
What is South or southeast?
This type of permit is required before constructing, repairing, or modifying any well in Miami-Dade County to protect the Biscayne Aquifer from contamination.
What is a Well Construction Permit?
This % of public water supply in Florida comes from groundwater
What is ~90%?
“the tubular material utilized to shut off or exclude a stratum or strata other than the source bed and conduct water from only the source bed to the surface.”
What is a well
(Section 24-5.1)
Calcite spherical grains precipitated in supersaturated marine environments
What are ooids?
Run! Get off the &*^! rig.
What do you do when the wellhead pressure exceeds safe operating limits?
>700 mgd withdrawn from this aquifer
What is the Biscayne Aquifer?
This % of fresh water supply in Florida comes from groundwater
What is 65% (+/- 10%)
Changes to the maps of the Cones of Influence for the Miami-Dade County wellfield protection areas must be approved by this group
What is the Board of County Commissioners?
(Section 24-43.3)
Four of the eight most abundant elements in the earth's crust
What are O Si Al Fe Ca Na K Mg?
The hydraulic conductivity of this sole source aquifer regularly exceeds 10,000 feet per day
What is the Biscayne Aquifer?
Aquifer located in western Miami-Dade County, in the Tamiami Formation
What is the Gray Limestone Aquifer?
Zone containing seawater salinity levels... most of the time.
What is the Boulder Zone?
What is 90%?
A mineral that causes distinctive gamma ray log responses that help identify geologic horizons in Miami-Dade County.
What is phosphate or glauconite?
Topaz on the Mohs hardness scale
What is 8?
This protective zone, established under Miami-Dade County’s Chapter 24, restricts activities that may contaminate groundwater near potable water wells.
What is a Wellfield Protection Area?
The conditions that formed the Miami Limestone can be seen today in this small island nation
What is ‘the Bahamas’?
Article III of Miami-Dade's Environmental Protection Ordinance (important to us)
What is the Water and Soil Quality Article?
A physiographic feature of Miami-Dade County prior to development
What are Coastal Marshes/Mangroves, Atlantic Coastal Ridge, Sandy Flatlands, Everglades, or Big Cypress Swamp?
Formation first noted in 1909 by Samual Sanford who originally named it Lostmans River Limestone (Hint: Also a Trail)
What is the Tamiami Formation?
Discharging well development water to surface water in Miami-Dade County.
What is prohibited by Chapter 24 ,MD Code?