1. (a) Safety. The system must clearly be marked identifying it as a shallow closed-loop geothermal system.
2. (b) Pressure testing. Shallow closed-loop geothermal injection wells shall be pressure-tested with water at 100 psi (690 kPa) for 30 minutes prior to backfilling of connection (header) trenches. Any leaking loop shall be repaired or replaced prior to completing the well.
3. (c) Local regulation. The Commission does not require the submittal of site plans for wells authorized by rule under this subchapter. However, a site plan may be required by a local health agent, other local governmental entity, and/or a groundwater conservation district.

Source Note:The provisions of this §6.109 adopted to be effective January 6, 2025, 50 TexReg 103.