QUESTIONS AND ANSWERS 2026
LATEST VERSION EXAM PREP
GUIDE
◉ Darcy's Law.
Answer: Q = K × i × A
◉ Specific yield.
Answer: Drainable water (unconfined aquifer)
◉ Storativity.
Answer: Controls time-lag in confined pumping response
◉ Specific capacity.
Answer: Specific capacity = Q / drawdown (field well performance)
◉ LNAPL.
Answer: Floats; DNAPL sinks
◉ Saltwater intrusion.
Answer: Often via upconing
, ◉ MDL.
Answer: Analytical detection limit
◉ MCL.
Answer: Regulatory drinking-water standard
◉ TMDL.
Answer: Watershed pollutant load allocation
◉ Surface water discharge.
Answer: → NPDES
◉ Land discharge/percolation.
Answer: → WDR
◉ Groundwater contamination.
Answer: → RWQCB (CA default)
◉ Redevelopment cleanup / vapor intrusion.
Answer: → DTSC
◉ Oil & gas wells + UIC Class II.
Answer: → CalGEM