Water Usage Rough Estimates

Water Usage Rough Estimates

Below are rough water usage estimates so that businesses might build an understanding as it pertain to water usage.

 

Facility Water Usage
Assembly Halls 2 gallons/sea
Apartment Buildings 150-200 gallons/unit
Barber Shops 55 gallons/day/chair
Beauty Salons 270 gallons/day/chair
Bowling Alleys 75 gallons/lane
Camps-Day (no meals) 15 gallons/person/day
Resorts (day & night with limited plbg) 35 gallons/person/day
Country Club per resident 100 gallons /day
Country Club per non-resident member 25 gallons/day
Factories – with shower 35 gallons/shift
Factories – without shower 25 gallons/shift
Farms: Cow 12 gallons/day
Farms: Cow (dairy) 15 gallons/day
Farms: Goat 2 gallons/day
Farms: Hog 4 gallons/day
Farms: Horse 12 gallons/day
Farms: Mule 12 gallons/day
Farms: Sheep 2 gallons/day
Farms: Steer 12 gallons/day
Farms: Chicken/100 10 gallons/day
Farms: Turkey/100 18 gallons/day
Food & Service Operations: Average restaurant 70 gallons/seat
Food & Service Operations: 24 Hour restaurant 100 gallons/seat
Food & Service Operations: Hotels .256 gpd/sq ft
Institutions: Hospitals 250 gallons/bed
Institutions: Rest Homes 100 gallons/bed
Laundries: Coin Operated 2.17 gpd/sq. ft.
Laundries: Commercial .253 gpd / sq. ft
Motels 100 gallons/unit
Office Building 20 gallons/employee
Schools: Day (with cafeteria, gym, shower) 25 gallons/ student
Schools: Day (with cafeteria, gym) 20 gallons/student
Schools: Day (with cafeteria) 15 gallons/student
Service Stations (estimate) 10 gallons/vehicle
Shopping Centers .160 gpd/sq. ft.
Stores 400 gallons/toilet room
Movie Theatres 2 gallons/seat
Trailer Parks 100 gallons/space

 

Boilers: to determine daily make up in gallons

  • Multiply boiler horse power by 4.25
  • Then multiply (1) by hours per day operation
  • Then multiply by the % operating rating
  • Then subtract the % of condensate return

Cooling Towers: to determine daily make up in gallons

  • Multiply the tonnage by 4. (This includes 2 gal.(7.6 litre)/hour/ton evaporation and 2 gal (7.6 litre)/hour/ton bleed off}.
  • Then multiply (1) by the hours per day operation.

 

Need more information? Reach out to our team for specific usage questions and assistance.

 

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Since 1980, Water Guard Systems has supplied wholesale dealers, plumbing contractors, and commercial operators with water treatment products engineered for Florida’s specific water challenges, backed by the compliance standards that matter. We put our customers and partners at the heart of everything we do. We focus on building lasting relationships by delivering dependable products, responsive service, and ongoing support.