Section 21-1816. WELL CONSTRUCTION REQUIREMENTS: WELL SCREENS

 

1816.1No 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.

 

1816.2A 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.

 

1816.3Only a machine-manufactured well screen shall be used in the construction of a well, unless otherwise approved by the Department.

 

1816.4A well screen shall have sufficient structural strength to support the intended use of the well.

 

1816.5A well screen shall be installed with fittings necessary to seal the well screen to the well casing.

 

1816.6A lead packer and lead swedge shall not be used to seal a well screen to the well casing.

 

1816.7A fitting shall be provided to close the bottom of the well screen and to cap, plug, or otherwise close the bottom of the well.

 

1816.8A well screen of a well sited on a property where a recognized environmental condition has been identified shall be constructed to prevent structural degradation.

 

 

authority

District Department of the Environment Establishment Act of 2005, effective February 15, 2006 (D.C. Law 16-51; D.C. Official Code §§ 8-151.01 et seq. (2013 Repl.)); the Water Pollution Control Act of 1984, effective March 16, 1985 (D.C. Law 5-188; D.C. Official Code §§ 8-103.01 et seq. (2013 Repl. & 2016 Supp.)) (the Water Pollution Control Act); and Mayor’s Order 2006-61, dated June 14, 2006.

source

Final Rulemaking published at 63 DCR 13424 (October 28, 2016).