Collections
District of Columbia Municipal Regulations
Title 21
Chapter 21-54
D.C. Mun. Regs. tit. 21, ch. 54
Cross Connections
District of Columbia, Office of the Secretary
Learn More
Log In
Sign Up
21-5400
General Provisions
21-5401
Protection of Public Water System
21-5402
Inspection and Entry
21-5403
Identification of Cross Connections and Practicability Determination
21-5404
Duty of Owners to Identify Cross Connections
21-5405
Imminent Threat
21-5406
Maintenance and Testing of Backflow Preventers
21-5407
Certification Requirements
21-5408
Grounds and Procedure for Denial, Supsension, or Revocation of Certification
21-5409
Enforcement
21-5410
Right to Challenge Practicability and Necessity to Protect Public Health and Safety, Imminent Threat, and Prevention Device Determinations
21-5499
Definitions