D.C. Mun. Regs. tit. 25-C, § 407
Recirculation and Treatment System – Cross-connection Prevention
Effective Jun 9, 201764 DCR 5359Authority: Section 4902 of the Department of Health Functions Clarification Act of 2001 (“Act”) effective October 3, 2001 (D.C. Law 14-28; D.C. Official Code § 7-731(a)(11) (2012 Repl. & 2016 Supp.)), and Mayor’s Order 2001-111, dated August 6, 2001. Source: Final Rulemaking published at 64 DCR 5359 (June 9, 2017).District of Columbia, Office of the Secretary
407.1 An atmospheric break or approved back flow prevention device shall be provided in each pool water supply line that is connected to a public water supply.
407.2 Vacuum breakers shall be installed on all hose bibbs.
SOURCE: Final Rulemaking published at 64 DCR 5359 (June 9, 2017).