43 C.F.R. § 3270.11
What general standards apply to my utilization operations?
Your utilization operations must:
(a) Meet all operational and environmental standards;
(b) Prevent unnecessary impacts on surface and subsurface resources;
(c) Result in the maximum ultimate recovery of geothermal resources;
(d) Result in the beneficial use of geothermal resources, with minimum waste;
(e) Protect public health, safety, and property; and
(f) Comply with the requirements of § 3200.4.