StacksVerified U.S. regulatory reference

49 CFR §192.365

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Relation to regulator or meter. Each service-line valve must be installed upstream of the regulator or, if there is no regulator, upstream of the meter.
  2. (b)Outside valves. Each service line must have a shut-off valve in a readily accessible location that, if feasible, is outside of the building.
  3. (c)Underground valves. Each underground service-line valve must be located in a covered durable curb box or standpipe that allows ready operation of the valve and is supported independently of the service lines.