30 CFR § 75.1103-11
Tests of fire hydrants and fire hose; record of tests
July 29, 2020
Each fire hydrant shall be tested by opening to insure that it is in operating condition, and each fire hose shall be tested, at intervals not exceeding 1 year. A record of these tests shall be maintained at an appropriate location.
[37 FR 16546, Aug. 16, 1972]