Mass gatherings held outside a Texas municipality are judged against Health and Safety Code chapter 751 and 25 Texas Administrative Code 265.3. Those rules cap the crowd at no more than 50 persons per toilet seat, require handwashing near each toilet location, and require a signed contract with the toilet provider in the Travis County application.
Key takeaways
- Chapter 751 covers a gathering held outside a municipality that is over 2,500 people, or over 500 where under-21s and alcohol conditions apply.
- Size alone does not trigger the definition, because the gathering must also last more than five continuous hours or run into 10 pm to 4 am.
- The county judge sends the application to the county health authority, which reports at least five days before the hearing.
- Toilets must be separate for each sex and plainly marked, screened from public view, and provided at no more than 50 persons per toilet seat.
- Handwashing and drying facilities go near each toilet location, with wastewater directed to holding tanks or subsurface absorption.
- The Travis County Fire Marshal expects a signed toilet contract and a site plan that labels each unit Men or Women and gives its type.
Which gatherings fall under the Texas mass-gathering rules?
The state definition covers a gathering held outside a municipality, over 2,500 people, or over 500 where under-21s and alcohol conditions apply. Inside a city's limits, the city arranges the event instead of the county.
Chapter 751 of the Texas Health and Safety Code defines a mass gathering by where it is held, how many people attend and how long it lasts. The first test is location. The definition covers gatherings held outside a municipality, so an event on unincorporated county land is where the state rules apply. The size threshold is over 2,500 people, and it drops to over 500 where under-21s and alcohol conditions apply, which matters for any event where young people may be present and alcohol is served.
Size is not enough on its own. The gathering also has to last more than five continuous hours or run into the hours between 10 pm and 4 am. An event that clears the crowd figure but ends by mid-afternoon may fall outside the definition, while a smaller evening event that runs late may fall inside it. Planners who sit near any of these lines should read the statute text itself rather than rely on a summary, and should check the start time, the end time and the expected crowd together.
How does a county application move through review?
The county judge sends the application to the county health authority. That authority reports on whether health and sanitation standards will be maintained, at least five days before the hearing.
The application goes to the county, not to the toilet provider. Under the chapter, the county judge forwards the application to the county health authority, and that office reports to the court on whether health and sanitation standards can be kept at the gathering. The report is due at least five days before the hearing, so a planner who is late with sanitation paperwork can find the hearing date already set around a report that has not yet been written.
The Travis County Fire Marshal runs its own mass-gathering permit, and the sanitation part is checked against 25 Texas Administrative Code sections 265.1 to 265.3. The reviews overlap, so the same paperwork has to satisfy both: the site plan, the toilet contract and the handwashing layout. Keeping one set of drawings for every reviewer avoids a second round of questions, and it makes it easier to see when a change in one place needs to be carried into the others.
How many toilets does the state standard require?
The Texas standard sets toilet facilities at no more than 50 persons per toilet seat, separate for each sex and plainly marked. It counts seats rather than units, so a multi-stall trailer and a row of single units are judged by the seats they supply.
Under 25 Texas Administrative Code 265.3, toilet facilities must be separate for each sex, plainly marked and screened from public view. The rate is no more than 50 persons per toilet seat. That section sets no sink-per-person ratio, so handwashing is treated as a placement requirement near each toilet location rather than as a separate count. The planner's first job is to turn the expected crowd into seats and then choose the units that supply those seats.
Counting seats instead of units is where many plans go wrong. A multi-stall trailer can supply a good number of seats in one placement, and a row of single units may supply the same seats in a different layout. The site plan should show each unit's type and its sex designation, so a reviewer can see the seats by sex at a glance. For the attendance side of that arithmetic, the event count guide explains how to reach a defensible peak figure before the seats are chosen.
What does the state require for drinking water and space?
The rule sets drinking water at no less than one pint per person per hour, and a minimum of 50 square feet per person on the premises. Those two lines shape the site as much as the toilets do.
Drinking water is a separate line from sanitation, but the two share a site and a crowd. At least one pint per person per hour has to be available, so the water supply must be planned against the same peak figure as the toilets. The demand for water runs for as long as the event does, which means a planner should not treat water as an afterthought once the restrooms have been placed on the plan.
The space line works in the other direction. A minimum of 50 square feet per person on the premises means the grounds must be large enough for the crowd the application states, so a site that is too small can fail the test even when the toilet count is right. Units take floor area too, and their placement has to leave room for walking routes and the service truck. A planner who measures the ground early avoids having to cut the crowd or the layout late in the process.
What belongs on the site plan?
The Fire Marshal's site plan has to show each toilet's location, labelled Men or Women with its type, plus handwashing stations with running water and the solid-waste collection points. A drawing that leaves any of those out is likely to draw questions.
Each toilet needs its own marked position on the plan. The label should say Men or Women and name the toilet type, so a reviewer can count seats by sex and see whether accessible units are included. Handwashing stations go on the plan as well, with the running water shown, and solid-waste collection points need to appear so the reviewer can see where refuse goes at the end of the day.
Draw the plan at a scale that shows the approach routes, the parking and the path the service truck takes to each cluster. Reviewers look for whether the toilets can actually be reached and serviced, and a drawing that shows only the units leaves them guessing. Attach the toilet contract to the same packet, so that the plan and the agreement point at the same units in the same places.
Who is the toilet contract with, and what must it say?
The Travis County Fire Marshal requires a signed contract with the toilet provider. The contract links the count on the plan to a provider that will deliver and service the units.
The promoter is the party that must attach the contract to the application. The contract should name the units, the quantity, the placement and the service schedule for the event, so that the plan and the agreement match. Fire Marshal review checks the paperwork, so a contract that does not describe the same units as the site plan is a problem even when the provider is fully capable of the job.
A provider confirms the unit count for the site before delivery, and the contract is where that confirmation is recorded in writing. Ask for the placement and the service dates in writing and keep a copy in the packet. An event that changes size after approval needs the contract revised as well, because a larger crowd means a larger count and more seats, and the plan has to show them.
How does handwashing fit the mass-gathering rule?
Handwashing and drying facilities must sit near each toilet location, and wastewater goes to holding tanks or subsurface absorption. A count of toilets does not satisfy the rule on its own.
The rule treats handwashing as a placement requirement. Every toilet location needs a handwashing and drying point near it, so the sink count follows the toilet placement rather than the crowd total. A cluster of units with every sink at one far corner does not meet a rule that asks for facilities near each location, even if the number of sinks looks adequate on paper.
Wastewater from handwashing has to go to holding tanks or to subsurface absorption, which makes the question one of where the water ends up as well as where the sink stands. Acreage sites that run on septic may not be able to take event loads on their own fields, and that makes holding tanks a planning line in their own right. The holding tank rental service covers that equipment, and the handwashing station service covers the sinks themselves.
Which parts of the process are left to the reviewer?
The rule sets the numbers, but the county judge's hearing and the Fire Marshal's review decide the details. Plan for both, and confirm each point before the packet is filed.
Parts of the mass-gathering process are discretionary. The county judge holds the hearing, and the health authority's report shapes what the court sees before it decides. A planner should not assume that a plan which only just meets the numbers will be accepted without comment, because reviewers can ask for more detail on any line of the packet, and a thin answer costs time at the hearing.
The city's event rules and the county's rules are not the same, so a planner who worked from city guidance for an Austin event will need to change the numbers for an event outside city limits. Confirm with the county which process applies before the packet is drafted, and keep the seat count, the handwashing layout and the contract in step with one another from the first draft onward.
Frequently asked questions
Does the Travis County rule apply inside Austin?
The state mass-gathering definition covers gatherings held outside a municipality, so an event inside Austin's limits is arranged with the city. Events in West Lake Hills, Pflugerville, Manor and Buda are arranged with those cities for the same reason. Events on unincorporated county land are arranged with Travis County.
What is the crowd threshold for a mass gathering?
Under chapter 751, the size line is over 2,500 people, or over 500 where under-21s and alcohol conditions apply. Size alone does not trigger the definition. The gathering must also last more than five continuous hours or run into 10 pm to 4 am. Check the event schedule against both lines before deciding which rules apply.
How many persons per toilet seat does the state allow?
The state standard allows no more than 50 persons per toilet seat. The seats have to be separate for each sex, plainly marked and screened from public view. Count seats rather than units, because a multi-stall trailer supplies several seats in one placement.
Do handwashing stations need running water?
The Fire Marshal's site plan has to show handwashing stations with running water. The rule also requires handwashing and drying facilities near each toilet location, with wastewater going to holding tanks or subsurface absorption. A setup without running water will not match what the plan asks the reviewer to see.
What must the toilet contract include?
The Fire Marshal requires a signed contract with the toilet provider to be attached to the application. The contract should describe the same units, quantities and placements as the site plan. Revise it whenever the crowd or the layout changes.
Who do I call about the count for a county event?
Start with the county's permitting and Fire Marshal contacts, since the application is filed there. A local provider can work the seat count from the expected peak and the site plan. Call (888) 351-0294 with the date, the expected peak and the location, and the provider will confirm the count for the site before delivery.
Sources
This guide is general information for Travis County homeowners, not a substitute for an on-site inspection. Prices are estimates. See our disclaimer.