Water Access for Horses: A Critical Welfare Need

Adequate clean water access is a fundamental horse welfare requirement; water deprivation causes rapid physiological deterioration and significant suffering.

Key Facts

Horses drink 20-40 litres of water per day depending on diet, temperature, and activity
Water deprivation of as little as 24 hours causes impaction colic risk to increase significantly
Automatic waterers must be checked daily as horses may not drink from an unfamiliar or dirty system
Horses fed hay have higher water requirements than those on fresh grass
Cold water is well accepted by horses and does not require heating in most climates

Welfare Considerations

Water access may seem a basic requirement unlikely to be neglected, yet water deprivation is a not-uncommon welfare problem arising from frozen waterers, automatic system failures, contaminated troughs, and horses unfamiliar with new water provision methods. A horse that does not drink sufficiently develops increasing risk of impaction colic — a painful and potentially fatal condition. Monitoring actual water consumption rather than assuming availability ensures horses are meeting their needs. The welfare importance of water is comparable to that of any other nutrient, and failure to provide it constitutes neglect under animal welfare legislation.

What You Can Do

Check water provision for your horses daily including flow rate and cleanliness
Introduce horses to new waterer types gradually to ensure uptake
Monitor for early signs of reduced water intake especially in very hot or cold weather
Insulate water troughs and check for freezing during cold weather
Advocate for water access requirements in all equine welfare standards and codes of practice