Controlling NOx Emissions from Water Heaters, Small Boilers, and Process Heaters
Rules in Title 30, Texas Administrative Code, Chapter 117 for controlling emissions of nitrogen oxides from water heaters, small boilers, and process heaters. These rules are part of the State Implementation Plan strategy to meet the National Ambient Air Quality Standards for ozone.
Areas Affected
Rules apply statewide.
Rule Citation
30 TAC Chapter 117, Subchapter E, Division 3
Description of Rules
- NOx emission specifications apply to manufacturers, distributors, retailers, and installers of natural gas-fired water heaters, boilers, and process heaters with a maximum rated capacity of 2.0 million British thermal units per hour or less.
- Includes certification, notification, and labeling requirements.
Rule History
The Chapter 117 rule history for water heaters, small boilers, and process heaters discusses revisions to the rules, including their proposal and adoption, the associated State Implementation Plan revision, and U.S. Environmental Protection Agency approval.
Compliance Resources
Related
- Stakeholder groups that help the agency with air quality issues
- State Implementation Plan: Air Pollution from Ozone
- Air Permits and Registrations
- Tax Relief for Pollution Control Property
- Point Source Emissions Inventory
- The Technical and Economic Feasibility Study was specified by the 79th Texas Legislature (2005) and completed in December 2005 to determine the technical and economic feasibility of regulating residential water heaters in Texas.
- Enforcement discretion for natural gas-fired water heaters manufactured on or after January 1, 2007.
Contact Information
- Contact the Stationary Source Programs Team for additional information about stationary source rules.
- Sign up to receive e-mail updates on SIP-related information, including information on stationary source rules. Select SIP Hot Topics under the Air Quality heading.