California · Water Code
WAT §13713: “Geothermal heat exchange well,” as used in this chapter, means any uncased artificial excavation, by any method, that uses the heat exchange capacity of the earth for heating and cooling, in which ex
Read the full statutory text
“Geothermal heat exchange well,” as used in this chapter, means any uncased artificial excavation, by any method, that uses the heat exchange capacity of the earth for heating and cooling, in which excavation the ambient ground temperature is 30 degrees Celsius (86 degrees Fahrenheit) or less, and which excavation uses a closed loop fluid system to prevent the discharge or escape of its fluid into surrounding aquifers or other geologic formations. Geothermal heat exchange wells include ground source heat pump wells.
Verify at the official source: California legislative text
Facing this? Know exactly what happens next.
MOFRD turns this code section into your situation: the deadlines that apply to you, the forms your county uses, and the resolution paths people in your position actually take. Free for 3 days — no card required.
This page is legal information, not legal advice. Code text is sourced from official publications and may lag amendments — always confirm at the official source linked above. Plain-English summaries and relationship data are AI-derived and reviewed on an ongoing basis; verify with a licensed attorney before acting.