D.C. Mun. Regs. tit. 21, r. 21-1816

Current through Register Vol. 71, No. 49, December 6, 2024

Rule 21-1816 - WELL CONSTRUCTION REQUIREMENTS: WELL SCREENS

1816.1

No person shall construct a well in which the well screen extends across more than one aquifer, unless:

(a) A special compliance standard request was submitted in accordance with §§ 1803.10 and 1803.11;

(b) Adequate justification is provided to support the request;

(c) The cross-contamination of aquifers is prevented; and

(d) The request is approved by the Department in the well construction work plan.

1816.2

A well that derives water from an unconsolidated aquifer shall be equipped with a well screen that limits the entrance of sediment material into the well following well development.

1816.3

Only a machine-manufactured well screen shall be used in the construction of a well, unless otherwise approved by the Department.

1816.4

A well screen shall have sufficient structural strength to support the intended use of the well.

1816.5

A well screen shall be installed with fittings necessary to seal the well screen to the well casing.

1816.6

A lead packer and lead swedge shall not be used to seal a well screen to the well casing.

1816.7

A fitting shall be provided to close the bottom of the well screen and to cap, plug, or otherwise close the bottom of the well.

1816.8

A well screen of a well sited on a property where a recognized environmental condition has been identified shall be constructed to prevent structural degradation.

D.C. Mun. Regs. tit. 21, r. 21-1816

Final Rulemaking published at 63 DCR 13424 (10/28/2016)