top of page
  • Writer's pictureKent Hobart

Water Meter Size

If you look closely at your monthly water bill, you'll notice the size of your water meter in inches is probably displayed somewhere close to the meter readings. Most homes will be served by either a 5/8 or 3/4 inch meter, but for commercial users the meter size can go as high as 10 inches or more.

Two things determine how much water capacity in gallons per minute (GPM) you have access to at your home or business, the first is water pressure (psi) and water utilities work to deliver a consistent level of water pressure throughout their systems.

The second is the diameter of the water pipe. Customers who need higher volumes of water need a larger pipe that will allow those larger volumes to be delivered.

This table should help illustrate the impact of pipe size:

Pipe Size (inches)

20 psi

30 psi

40 psi


26 GPM

32 GPM

38 GPM


161 GPM

200 GPM

234 GPM


997 GPM

1,240 GPM

1,449 GPM

When your facilities were constructed, engineering estimates were probably made of the volumes of water your toilets, sinks, showers etc. would require. Those calculations included determining the pipe size needed to deliver that volume of water, given the pressure your water utility maintains on its system. The size of the installed water meter is a function of that required pipe size. If you have a 2 inch water meter, then its very likely the the water supply line serving your facility has a diameter of 2 inches.

Most water utilities structure their rates to include a fixed monthly customer or service charge per meter. This fee helps them recover the costs associated with having the full volume of water you could possibly use available to meet your needs at any time you turn on the tap. As the meter size and potential capacity of water needed go up, so typically does that fixed fee per meter. Even if you don't use any water in a given month, you'll still be billed that fixed charge.

Still have questions? Call us at (813) 917-8952 and let us help with an answer.


Hello, I'm Kent Hobart and I'm different. I've been blessed with a knowledge of utility billing and rate structures that is rare and yes, a little weird.

I started Utility Refund Specialists as a way to use my unique skills in serving organizations like yours. We audit our client's utility bills and identify errors in the billing that earn them refunds from their utility providers. I know, it sounds crazy but 3 in every 4 clients we work with have errors in their bills.

The incidence of errors is so frequent, and the refund amounts are large enough, it is worth our time to perform the audits for free. We only get paid after we secure you a refund!

Interested in learning more? Use this link to set up a 15- minute discovery call. Want to talk sooner, give me a call at (813) 917-8952 or send me an email.

96 views0 comments


bottom of page