California Codes, Civil Code - CIV, Division 4 — General Provisions, Part 3 — Nuisance, Title 1 — General Principles, Section 3482
Nothing which is done or maintained under the express authority of a statute can be deemed a nuisance.
Notes
Exempts anything done or maintained under the express authority of a statute from being deemed a nuisance. The rule applies when the thing is done or maintained under express statutory authority, and in that circumstance the provision says it cannot be deemed a nuisance.
Use as reference
Lexinter.net | California Code, Civil Code - CIV § 3482 | https://laws.lexinter.net/codes/california/civil-code/division-4/part-3/title-1/section-3482