How many units do you need?
Start with headcount, not guesswork. OSHA 1926.51(c) sets construction ratios: 1 toilet for 20 workers or fewer, then 1 toilet seat and 1 urinal per 40 workers once you pass 20, scaling down to 1 per 50 once a crew hits 200. Events run differently, and our how many porta potties do I need guide breaks that math down further. If your crew includes hand labor in agriculture, note that field sites fall under OSHA 1928.110 instead, which asks for one facility per 20 employees within a quarter mile walk. Whatever the count, add one unit if the job runs longer than a standard week, since ANSI/PSAI Z4.3 sets the baseline service interval at once weekly for up to 10 users over a 40 hour week. For most residential jobs in Waukesha, a standard porta potty rental covers it. Larger builds or festivals often mix in a deluxe flushable porta potty for staff or VIP areas, and every cluster needs at least one ADA accessible porta potty unit to stay compliant.
Where should units go on site?
Pick flat, stable ground first. ADA Standards 302.1 requires the surface under and around an accessible unit to be firm and slip resistant, not gravel that shifts or mud that pools. Leave a 36 inch clear path per ADA Standards 403.5.1 so a wheelchair user can reach the door, and check that the door opening itself clears 32 inches under ADA Standards 404.2.3. Inside, a 60 inch turning circle is required by ADA Standards 304.3.1, which is one reason ADA units run larger than a standard unit's 44 by 48 inch footprint. Our porta potty placement guide walks through sightlines, wind direction and slope in more detail. If the spot sits in a public right of way anywhere in Waukesha, that placement needs confirming with the City of Waukesha before delivery, since we cannot verify a blanket rule here. For events, review our event restroom rental page, and for construction sites pair this checklist with OSHA portable toilet requirements before your crew shows up.
What does delivery actually require?
Clear access matters more than most people plan for. A standard unit stands about 92 inches tall and needs a level pad to sit flush, and if you are also renting a roll-off dumpster rental for the same job, that truck needs roughly 60 feet of straight clearance behind it to set the box down safely. Check overhead lines and low branches along the delivery path, and mark any septic lines or sprinkler heads before the truck arrives. Waukesha driveways and rural lanes vary a lot, so tell us up front if you're closer to New Berlin, 8.2 miles southeast, or Brookfield, 9.4 miles northeast, since drive time affects scheduling on tight-turnaround jobs. If your event needs handwashing alongside toilets, note that 29 CFR 1910.141(d)(2) requires soap and towels or a drying device at any station, not hand sanitizer alone, so budget for a proper handwashing station rental or portable sink rental rather than a sanitizer stand alone. Full details live on our handwashing station requirements page.
When should you schedule service and pickup?
Lock in delivery and pickup dates before you lock in headcount, because both drive pricing. A single day rental for a standard unit runs from about 100 to 350 dollars depending on demand, while a full week runs 130 to 500 dollars. Monthly rentals for longer jobs land between 125 and 325 dollars per unit, and our monthly porta potty rental page has more on that math. Weekend events typically run 125 to 400 dollars per standard unit, a separate short-term rate worth asking about directly rather than reading off a weekly table.
| Duration | Low | Typical | High |
|---|---|---|---|
| Day | $100 | $150 | $350 |
| Week | $130 | $200 | $500 |
| Month | $125 | $200 | $325 |
Delivery fees run separately, from about 50 dollars on the low end for a weekly job up to 500 dollars for a same-day rush. See porta potty rental cost and porta potty rental per day for the full pricing picture before you finalize your order.
How far in advance should I book a porta potty in Waukesha?
Book 7 to 10 days out for standard jobs, longer for weekend events near peak season. Weekend rates for standard units run 125 to 400 dollars, and last-minute requests can push toward the emergency porta potty rental service, which costs more and depends on truck availability that day.
Do I need a permit to place a porta potty in Waukesha?
Maybe, depending on where it sits. Placement in the public right of way needs confirming with the City of Waukesha directly, since permit rules vary by location and were not verified for this page. See porta potty permit requirements before you commit to a spot.
How often does a rented unit get serviced?
ANSI/PSAI Z4.3 sets a baseline of one service visit weekly for up to 10 users over a 40 hour week. Busier events or larger crews need more frequent visits. Our how often are porta potties cleaned page covers scheduling in more depth.
What size tank does a standard unit hold?
A standard unit carries a 60 to 70 gallon holding tank and stands about 92 inches tall on a 44 by 48 inch base. That capacity is why service frequency depends on user count, not just calendar days, per the ANSI/PSAI Z4.3 baseline interval.
Can I rent an ADA unit for just one weekend?
Yes. ADA units rent by the weekend at rates from about 199 to 300 dollars, separate from the day and week bands. Every cluster of standard units should include at least one ADA unit under ADA Standards 213.2, even for a short event.
Next step
Get a delivery date
Tell us the address, the dates and the headcount. We size the order and confirm the route.