9 CFR §3.130
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
If potable water is not accessible to the animals at all times, it must be provided as often as necessary for the health and comfort of the animal. Frequency of watering shall consider age, species, condition, size, and type of the animal. All water receptacles shall be kept clean and sanitary.