Toilet flapper valves that, without warning, stick open are a common cause of water waste. This one alone wasted 850 gallons
Open Flapper Valve
Leaking Flapper Valve
An almost undetectable leaking flapper valve can waste 10,500 gallons per year. Here's an example.
Faulty washing machines waste massive amounts of water. This one wasted 700 gallons over 5 hours.
Malicious Water Waste
When tenants don't pay for water they can become malicious with their water usage. This one waste 2,600 gallons over 13 hours.
Broken Toilet Handle
Toilets are the most common perpetrators of issues. A broken handle wasted 1080 gallons per a day.