Texas statutes don’t specifically address smoking in private workplaces. Local laws that regulate smoking in public -- at the city, county, or town level -- may also apply to smoking in the workplace in some areas. And keep in mind that Texas laws may already specifically prohibit smoking in certain types of businesses operated by the employer (such as a hospital or a restaurant). These laws apply to employees as well as patrons or customers of the business.
Texas laws don’t address the specific areas of a workplace where smoking may be prohibited or permitted. Remember that some workplaces might already be subject to Texas or local laws that regulate smoking in public, or smoking in or around certain kinds of businesses.
Texas does not require employers to create designated smoking areas or provide other accommodations for smokers in the workplace.
Texas doesn’t specifically require employers to provide workplace accommodations for nonsmoker employees.
Texas laws don’t address employer policies on smoking in the workplace. Local laws regulating smoking -- at the city, county, or town level -- may require employers to have a policy on smoking in some areas. And even though it’s not required by law in Texas, employers are generally free to adopt policies on smoking in the workplace if they choose to.
Texas does not have a law protecting smokers from discrimination, nor does it have a law protecting employees from discipline or discharge based on their off-duty conduct generally.
Texas laws don't currently address smoking in the workplace, but you can find additional information on workplace smoking laws in Nolo's books Your Rights in the Workplace, by Barbara Repa (Nolo) and The Employer's Legal Handbook, by Fred Steingold (Nolo).