AZ Well Driller flashcards
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32 cards. Read the term and the definition here. The deck at the top of this page is optional.
- Arizona Groundwater Code
- The statutory framework in A.R.S. Title 45 that governs groundwater use, well drilling, Active Management Areas, and water supply programs in Arizona.
- Well Drilling License
- A credential issued by ADWR that authorizes a person to drill wells in Arizona. Drilling without a current license is a violation subject to enforcement.
- Notice of Intention to Drill
- A well-specific filing submitted to and approved by ADWR before drilling begins. It identifies location, depth, casing plan, intended use, and the driller's license number.
- NOI Amendment
- A revised filing required when actual well construction deviates materially from the approved NOI, such as significant changes in depth, casing, or intended use.
- NOI Validity Period
- The limited time window during which an approved NOI authorizes drilling. If work does not begin within it, a new or amended NOI is required.
- Enforcement Penalties
- Consequences for violating drilling statutes or rules, including civil penalties, license suspension or revocation, and required corrective work at the driller's expense.
- Driller's Log
- A permanent field record of lithology, formation depths, water-bearing zones, casing and screen settings, grout placement, and static water levels kept by the driller.
- Well Completion Report
- A report filed with ADWR after a well is constructed, describing actual construction details and conditions as they exist in the field.
- Abandonment Report
- A filing submitted to ADWR when a well is capped or abandoned, documenting the sealing materials, methods, and depths used to close the well.
- Required Log Identifiers
- Information the driller's log must contain: driller name, license number, well registration number, property owner, location, and drilling dates.
- Depth Measurement Convention
- Depths in the driller's log are recorded in feet below land surface, and water-level entries must state the date and method of measurement.
- Grout Quantity Recording
- Material quantities such as sacks of cement or cubic yards of grout are logged to demonstrate that sealing requirements were actually met.
- Report Accuracy Duty
- The driller is legally responsible for the accuracy of filed logs and reports. False or incomplete reporting can result in enforcement action.
- Record Retention
- The driller must keep well records and make them available to ADWR on request, while also providing copies to the well owner.
- Casing Material Standard
- Casing must be new and undamaged, meet specified strength and wall-thickness standards, and extend from land surface to the required depth.
- Annular Space Seal
- The space between borehole and casing must be filled with approved grout, typically neat cement or a specified cement-bentonite mix, from the casing bottom upward.
- Surface Seal
- A seal of specified depth and thickness placed at the top of the annular space to prevent surface contamination from entering the well.
- Screen and Gravel Pack
- Well screens and gravel packs are sized to the formation and installed so the well does not produce excessive sand or sediment.
- Wellhead Cap
- A cap or seal installed on the wellhead to keep out surface water, debris, and contaminants when the well is not in active use.
- Well Abandonment
- Closing a well by filling the bore with approved material across water-bearing zones and sealing the upper portion to prevent contamination migration.
- Abandonment Seal Purpose
- Sealing an abandoned well prevents it from acting as a conduit for contamination between aquifers or from the surface into groundwater.
- Deviation from Approved Plan
- Construction or abandonment that departs from the approved NOI or applicable A.A.C. standards requires an amendment or approval before work continues.
- Active Management Area
- A designated region of Arizona with a statutory groundwater management goal and its own management plan and rules under the Groundwater Code.
- Five Original AMAs
- The Phoenix, Pima, Prescott, Pinal, and Santa Cruz Active Management Areas, each governed by its own management plan and rules.
- Grandfathered Groundwater Right
- A right within an AMA based on historical use, such as irrigation rights measured in acres tied to historically irrigated land.
- Assured Water Supply
- A requirement for new subdivisions in AMAs, proving a 100-year supply of water of adequate quality and legal availability.
- Certificate of Assured Water Supply
- The ADWR-issued certificate confirming that a subdivision has demonstrated a 100-year assured water supply meeting quality and legal availability standards.
- Outside-AMA Well Regulation
- Outside Active Management Areas, wells are regulated mainly for construction and reporting rather than for the volume of groundwater withdrawn.
- Aquifer Cross-Connection
- A pathway allowing water or contaminants to move between aquifers through a well. Drillers must prevent this during construction and abandonment.
- Groundwater as Public Resource
- Arizona treats groundwater as a public resource, so drillers must protect water quality and avoid cross-connection between aquifers during all well work.
- Central Arizona Project
- A canal system delivering Colorado River water to central and southern Arizona, supporting AMA management goals and replenishment obligations.
- Recharge and Storage Programs
- Programs that store surface water underground for later recovery, helping AMAs meet management goals and replenishment requirements.