What does OSHA require for toilets on a construction site?
The OSHA construction rule, 29 CFR 1926.51, is commonly summarised as one toilet for up to 20 workers, one per 40 above that up to 200, and handwashing near toilets, with toilets kept sanitary. The agency's wording governs. Ask the general contractor, who is responsible for site sanitation.
A common reading is simple. Twenty or fewer workers: one toilet. Twenty-one to 200: one for every 20. More than 200: one for every 40. It is a minimum, and a hot, busy site with a long day may justify more.
The construction toilet requirements guide goes through the rule step by step and the questions to put to your provider.
Which San Antonio builds use job-site toilets most?
Any build with no plumbing yet: new subdivisions on the west and north, hospital and campus work at the Medical Center, commercial and data-centre sites along the Westover Hills corridor, and long projects at Port San Antonio and Brooks. The need follows construction, so ask the area pages for local detail.
The Medical Center, Westover Hills and Alamo Ranch corridors are busy building corridors, and Port San Antonio, the former Kelly Air Force Base, has a street improvement project listed in a Texas Department of Licensing and Regulation record from October 2025 to October 2028. Those are multi-month jobs.
Read the pages for Medical Center, Alamo Ranch and Port San Antonio for local detail.
How often should job-site units be serviced in San Antonio?
At least on the schedule the provider sets, and more often in hot weather or with a large crew. This site holds no San Antonio servicing rule. In summer, with temperatures reaching 100 F by the end of June, ask for a schedule that fits the month, and tell the provider if the crew grows.
A unit that serves five people for a week is a different job from one that serves twenty. Heat makes the same use feel worse, because odour builds faster. Ask what each visit includes and how a missed visit is handled.
The heat servicing page explains how providers adjust.
Where should units stand on an open construction site?
On firm, level ground near the work, out of the way of trucks, cranes and trenches, and reachable by the service truck. Avoid low spots, soft fill and the path of a concrete pour. Shade helps. Place them where the crew will actually use them, not at the far edge.
New-build sites change quickly. A unit placed well on day one may be in the way of a trench by week three. Tell the provider when the work moves so the unit can be shifted.
A unit that is too far from the work is not used, and workers lose time. Too close, and it blocks lanes. The foreman usually knows the best spot.
