Thornton Plumbing & Fuel Gas Code Amendments

City or town · Adams / Weld County · Colorado

Plumbing code: 2024 IPC
Fuel gas code: 2024 IFGC
Effective: Jul 1, 2025
Adopted by: Ord. No. 3731
Local amendments: 11

Thornton doesn't use the model plumbing and gas codes exactly as printed. It adopted the 2024 IPC and 2024 IFGC and then made 11 local changes. Some are paperwork, like permits and fees. Others change what you build in the field, including building sewer depth, water service line depth, gas pressure test. If you bid off the model book alone, you can miss them. CodeCheck Colorado lists every one in plain English with the official source.

What is Thornton's building sewer depth requirement?

2 local changes on this topic · Free sample

Thornton: building sewers at least 12 in. below grade, including at the septic tank (IPC 305.4.1).

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How deep does a water service line have to be in Thornton?

1 local change on this topic

Thornton sets its own rule for water service line depth. Sign in to see the rule and ordinance.

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What is Thornton's gas pressure test requirement?

2 local changes on this topic

Thornton sets its own rule for gas pressure test. Sign in to see the rule and ordinance.

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What does Thornton change about gas piping?

2 local changes on this topic

Thornton sets its own rule for gas piping. Sign in to see the rule and ordinance.

How does Thornton handle plumbing tests and inspections?

1 local change on this topic

Thornton sets its own rule for plumbing tests and inspections. Sign in to see the rule and ordinance.

Does Thornton change any fixture requirements?

3 local changes on this topic

Thornton sets its own rule for fixtures. Sign in to see the rule and ordinance.

What permit and fee rules does Thornton add?

2 local changes on this topic

Thornton sets its own rule for permits and administration. Sign in to see the rule and ordinance.