D.C. Mun. Regs. tit. 21, § 1811
1811.1 Except as set forth in § 1811.2, a well may be relocated during construction for the avoidance of utility lines, building footings, or other sub-surface obstructions provided that:
(a) The well is not relocated more than ten feet (10 ft.) from the approved and permitted location identified in the well construction building permit application;
(b) The new well location meets the requirements of this chapter;
(c) The new well location is situated on the same lot and square number listed on the well construction building permit application;
(d) The unsuccessful well, cased or uncased, is abandoned in accordance with the requirements of §§ 1830 and 1831 of this chapter; and
(e) The Department has not prohibited well relocation in the approved well construction work plan.
1811.2 A closed-loop ground source heat pump well shall not be relocated from the position shown on the well construction building permit and the Department-approved well construction work plan, without written approval by the Department.
Source: Final Rulemaking published at 63 DCR 13424 (October 28, 2016).