Issaquah, WA · King County
Commercial Water Meter Sizing Form
Building owners and applicants use this form to calculate the minimum water meter and supply size based on plumbing fixtures served by the meter.
What this form is
This form calculates the minimum water meter and supply size based on the plumbing fixtures in a building. It asks for the water pressure, pipe length to the farthest fixture, whether the meter serves a fire sprinkler system, and counts of new and existing fixtures. The form directs users to use UPC Table 610.4 to determine minimum meter and supply sizes.
Who needs it
People sizing a commercial building’s water meter and supply based on its plumbing fixtures can use this form.
How to submit it
Submit it to the city department named on the form; check the city website for current contact details.
About notarization
This document is signed without a notary; the form has no notarized or sworn attachment, so the signer just signs and dates it.
How to submit this form
- 1
Download The Form
Save or download the PDF; it may not auto-calculate totals when opened in some web browsers.
- 2
Complete The Form
Enter the pressure range, pipe length, sprinkler information, and fixture counts.
- 3
Check The Results
Use UPC Table 610.4 to determine the minimum meter and supply sizes.
- 4
Submit To The City
Submit it to the city department named on the form; check the city website for current contact details.
Frequently asked questions
- What does the Commercial Water Meter Sizing Form calculate?
- It calculates the minimum water meter and supply size based on the plumbing fixtures in a building, using the pressure, pipe length, sprinkler system, and fixture counts entered.
- What information does the form ask for?
- It asks for water pressure, the pipe length from the meter to the farthest fixture, whether the meter supplies a fire sprinkler system, and counts of new and existing fixtures.
- Do I need a notary for the Commercial Water Meter Sizing Form?
- No. This document is signed without a notary. It has no notarized or sworn attachment; the signer just signs and dates it.
- How do I submit the Commercial Water Meter Sizing Form?
- Submit it to the city department named on the form; check the city website for current contact details.
Need something notarized?
This Commercial Water Meter Sizing Form doesn’t need a notary — but if you have another Issaquah form that does, a commissioned online notary can help.