What Does a Construction Site Need for Sanitation?
Every crew needs toilets, water, and a way to wash up. OSHA 1926.51(c) is specific about the ratio: 1 toilet for 20 workers or fewer, then 1 toilet seat and 1 urinal per 40 workers once you pass that threshold, scaling to 1 per 50 at 200 or more. OSHA 1926.51(a)(1) also requires an adequate supply of potable water on site, which is why a lot of superintendents pair standard porta potty rental with a water station. If your crew is spraying paint, coatings, herbicides or insecticides, OSHA 1926.51(f)(1) kicks in and washing facilities become mandatory, not optional. That is a different rule than general sanitation, and inspectors know the difference. For most Saint Charles job sites, the math on how many porta potties do i need comes down to headcount and shift length, and we can walk that with you before delivery.
How Much Does Construction Portable Toilet Rental Cost?
A standard unit runs $100 to $350 a day depending on term and add-ons, with weekly rentals landing between $130 and $500. Monthly contracts, which is what most Saint Charles builds actually use, fall between $125 and $325 depending on service frequency and unit count. Delivery is usually a separate line: expect $50 to $150 for a weekly delivery fee, more if the site needs multiple stops. Full porta potty rental cost breakdowns and a monthly porta potty rental comparison are worth a look before you lock in a bid.
| duration | low | typical | high |
|---|---|---|---|
| day | 100 | 150 | 350 |
| week | 130 | 200 | 500 |
| month | 125 | 200 | 325 |
If your project needs ADA-compliant units, those run separately and are covered on our ADA accessible porta potty page. Crews asking about porta potty rental per day pricing usually end up on a weekly or monthly plan once they see the math on a multi-week build.
Do OSHA Rules Apply the Same Way in Texas and California?
OSHA 1926.51(c) is a federal construction standard, so the toilet-count ratio applies on job sites nationwide, including construction portable toilet rental near Texas projects and construction portable toilet rental near California sites. What changes state to state is enforcement and add-on rules. California runs its own state OSHA program, often called Cal/OSHA, which enforces standards that mirror federal requirements but can carry additional state-specific provisions on things like heat and water access. Texas follows federal OSHA directly since it has no separate state plan. Either way, the core toilet ratio and the potable water requirement in 1926.51(a)(1) are the baseline. Our OSHA portable toilet requirements page covers the ratio table in more detail if you are bidding work outside Missouri and want the numbers in front of you before you price it.
Where Do You Deliver Construction Site Services Near Saint Charles?
We run Saint Charles as home base and cover the towns around it on a regular route. St. Peters sits 6.9 miles west, Maryland Heights is 9.4 miles southeast, Hazelwood is 8.5 miles east, Florissant is 13.9 miles east, and Chesterfield is 17.1 miles south. All five get the same delivery and service schedule as jobs inside Saint Charles proper. If your site is a construction job, we usually pair a bank of standard porta potty rental units with a roll-off dumpster rental for debris and a run of temporary fence rental around the perimeter. A roll-off delivery needs about 60 feet of straight clearance behind the truck, so tell us if your Saint Charles site has tight access before we schedule the drop. Dumpster rates run $51 to $112 a day or $426 to $778 a week depending on size; the full breakdown lives on dumpster rental cost. We also handle storage container rental for tools and materials, and handwashing station rental units that satisfy 29 CFR 1910.141(d)(2), which requires soap and towels or a hand-drying device, not just sanitizer. Full service area detail is on service areas, and general construction site services planning starts on this page.
Larger crews sometimes want a trailer instead of standalone units. Our restroom trailer rental page covers the 2, 4 and 8-stall options, and construction dumpster rental covers sizing from a 10 yard dumpster rental up to a 40 yard dumpster rental. If your permit list is unclear, check dumpster permit requirements and porta potty permit requirements before delivery day, since placement in the public right of way needs confirming with the city and we cannot state a blanket rule here.
How many porta potties does a construction site need?
OSHA 1926.51(c) sets the ratio: 1 unit per 20 workers up to 20, then 1 toilet seat and 1 urinal per 40 workers as crew size grows, tapering to 1 per 50 at 200-plus workers. Match units to your peak headcount, not your average day.
What is the average cost of a porta potty for a job site?
Expect $100 to $350 a day for a standard unit, or $125 to $325 a month for longer builds. Delivery is usually billed separately, typically $50 to $150 a week. Monthly service is the standard choice for most Saint Charles construction contracts.
Do OSHA rules differ for job sites outside Missouri?
The federal ratio in 1926.51(c) applies everywhere, including Texas and California job sites. California enforces its own state OSHA program with added provisions in some cases. Texas follows federal OSHA directly. The toilet count math stays the same either way.
How far will you deliver from Saint Charles?
We regularly service St. Peters at 6.9 miles, Maryland Heights at 9.4 miles, Hazelwood at 8.5 miles, Florissant at 13.9 miles, and Chesterfield at 17.1 miles. All are standard stops on our route, with the same weekly service schedule as in-city jobs.
Can I get a dumpster and porta potties delivered together?
Yes, most construction accounts order both on one delivery. We schedule roll-off dumpsters and portable toilets on the same trip when site access allows, and a roll-off needs about 60 feet of clear space behind the truck to unload safely.
Next step
Get a delivery date
Tell us the address, the dates and the headcount. We size the order and confirm the route.