A pound (0.45 kg) of beef takes 1,800 gallons (6,810 litres) of water to produce. That's enough water for 90 showers. For one steak.
A quarter-pound (113 g) burger? 450 gallons (1,700 litres). That's the volume of a small backyard swimming pool. For lunch.
The number sounds impossible until you realise where the water actually goes. Only 1-2% is what cattle drink. The other 98% is used to grow the crops cattle eat — corn, soy, alfalfa, hay — all of which require irrigation, especially in drought-prone US regions like California and the Southwest.
A single beef cow eats roughly 8,000 pounds (3,630 kg) of grain and forage in its lifetime. That feed needs water. The water needed to grow that feed is what fills out the footprint.
For comparison (per pound / 0.45 kg):
- Beef: 1,800 gallons (6,810 litres)
- Pork: 1,675 gallons (6,340 litres)
- Chicken: 257 gallons (973 litres) — 7x less
- Cheese: 382 gallons (1,446 litres)
- Bread: 240 gallons (908 litres)
- Vegetables: 39 gallons (148 litres)
Beef is the single most water-intensive food humans eat at scale. It takes more water to produce one pound (0.45 kg) of beef than to produce 46 pounds (21 kg) of vegetables.
The average American eats 60 pounds (27 kg) of beef per year. Multiply that out: that's 108,000 gallons (409,000 litres) of water per person per year — just for beef. Globally, the beef industry consumes more freshwater than the entire population of India uses for drinking, cooking and bathing combined.
Grass-fed beef performs better on water footprint when most of the feed is rain-fed pasture rather than irrigated grain. But even then, beef remains the heaviest hitter.
The next time someone tells you taking shorter showers will solve the water crisis, do the maths on what's on their plate.