D.C. Mun. Regs. tit. 21, r. 21-1827
A well owner shall maintain a well in a manner that does not pose a hazard to public health and safety or the environment.
The well owner shall ensure that the use and maintenance of a well is conducted in accordance with the well construction building permit, the well construction work plan, the well registration conditions, and all District and federal laws and regulations.
If a well owner is unable or unwilling to use or maintain a well in accordance with § 1827.2, the well owner shall:
Within sixty (60) days of work completed in accordance with § 1827.4, the well owner shall submit to the Department a report detailing the work that was performed with supporting documentation.
No person shall use or maintain a well that may significantly deplete or degrade groundwater resources or significantly interfere with groundwater recharge.
No person shall discharge fluids withdrawn from a well to a separate stormwater sewer or waters of the District that may cause a violation of the District Water Quality Standards in Chapter 11 of Title 21 of the District of Columbia Municipal Regulations (DCMR), result in acute or chronic exposure to aquatic biota, or pose a hazard to the public health and safety or the environment, without obtaining applicable District and federal permits.
A well owner shall ensure that sampling equipment used in a well is free of contaminants and that decontamination procedures are performed in accordance with EPA-approved procedures.
A well owner shall ensure that dedicated sampling equipment used in a well is maintained in accordance with the manufacturer's specifications and does not pose a hazard to public health and safety or the environment.
A well owner shall use materials for the maintenance of a well that meets the requirements for new construction, in accordance with §§ 1815 through 1826.
A well owner shall notify the Department within twenty-four (24) hours of discovery of damage to a well or a well not operating in accordance with its approved use.
No person shall maintain a well through the application of chemical treatment except in accordance with a well maintenance work plan reviewed and approved by the Department.
A well owner shall repair or replace broken, punctured, or otherwise defective or unserviceable well casing, well screen, fixtures, seals, or any part of the well head, or the well owner shall properly abandon and seal the well as specified in §§ 1830 and 1831.
D.C. Mun. Regs. tit. 21, r. 21-1827