Fontana has no cryptocurrency-mining ordinance. A commercial mining operation is treated as a data-center or industrial use, sited in the M-1 or M-2 zone and bound by the FMC 18-62/18-63 nuisance-noise standard, with no energy cap and no crypto-specific permit.
Fontana's Municipal Code and Zoning and Development Code contain no crypto-mining, bitcoin, or blockchain use category and no energy limit aimed at mining. A building full of mining rigs draws power and produces heat and noise like a data center, so Planning classifies it into the nearest Table 30-530 industrial use and sites it in the M-1 Light Industrial or M-2 Heavy Industrial zone - by-right or by Conditional Use Permit depending on that classification. Its continuous cooling noise is governed by the Section 18-63 nuisance standard, which bars intrusive sound carrying 50 feet from the property. Home-based mining is ordinary residential use, subject to the same noise rule.
A commercial mining operation outside an industrial zone, or without a required Conditional Use Permit, is a zoning violation; its noise over the 50-foot standard is enforced under FMC 18-63.
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