Porta Potty Rental for Road and Utility Work in Phoenix
Road and utility crews that move during the day can use OSHA's mobile crew exemption only if they have ready transport to nearby toilets. A towable unit that follows the crew is the common fix, and it keeps the crew legal on long rural stretches.
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Rural Pinal County and west Valley roads can be miles from a gas station. A towable trailer goes where the crew goes.
Units placed along public roads should not block sidewalks or sight lines.
The numbers for road and utility work
Jobsite toilet calculator
Units that fit
Towable Porta Potty Trailer
A hitch and a truck. Level parking at each stop.
Standard Porta Potty
Truck access and a reasonably level pad. No water, no power.
Hand Sanitizer Station
Flat ground. Nothing else.
High-Rise Crane Porta Potty
Crane picks, a level landing spot on the floor, and a plan for servicing.
Planning checklist
- Use a towable unit for crews that move daily.
- Park it off the travel lane.
- Plan servicing at the yard or along the route.
- Add a sanitizer stand.
The rules that apply
| Source | What it says |
|---|---|
| OSHA 29 CFR 1926.51(c), Table D-1 | Construction sites: 1 toilet for 20 or fewer workers; 1 seat and 1 urinal per 40 workers at 20 or more; 1 seat and 1 urinal per 50 workers at 200 or more. |
| Maricopa County Environmental Health Code, Ch. II Sec. 6 Reg. 5 | Construction sites need at least 1 toilet per 20 persons, within 200 feet of each work area. |
| OSHA interpretation letter, May 17 2006 | A toilet that is unsanitary or too far away is not "provided." The letter points to ANSI Z4.3, which calls for a unit used by up to 10 people to be serviced at least weekly. |
| 2010 ADA Standards 203.2 | Portable toilets used only by construction personnel on a construction site are exempt from the accessibility requirements. |
| Maricopa County Solid Waste Permitting | Portable restroom units made available for use must be permitted by the county. Ask any operator for their county permit. |
Summaries checked against the source on 2026-11-03. Always confirm with your permitting office.
Questions people ask
Do road crews need porta potties?
Yes unless they have ready transport to nearby toilets under OSHA's mobile crew exemption.
What unit works for moving crews?
A towable porta potty trailer.
Related uses
All uses | Service area | Answers