Porta Potty Rental for Emergency and Disaster Response in Phoenix
Emergency sites like water main breaks, shelters and cooling centers need restrooms fast. For 500 people over 10 hours, the PSAI chart suggests about 12 units, and the Maricopa County gathering minimum is 5. Accessible units are essential for shelters.
Get quotes: (888) 788-1197
Response sites often run for days. Plan servicing every day and keep accessible units close to the main entrance.
Shower trailers and hand wash stations help at shelters and long recovery efforts.
The numbers for emergency and disaster response
Event restroom calculator
Units that fit
Standard Porta Potty
Truck access and a reasonably level pad. No water, no power.
ADA Accessible Porta Potty
A wider, level pad and an accessible route to the door.
Shower Trailer
Water source or tank, power, and gray water handling.
Hand Washing Station
A level spot. No hookups.
Planning checklist
- Ask what can arrive today.
- Plan daily servicing.
- Include accessible units.
- Add showers and wash stations for long stays.
The rules that apply
| Source | What it says |
|---|---|
| Maricopa County Environmental Health Code, Ch. II Sec. 6 Reg. 5 | Public gatherings without adequate permanent toilets need at least 1 toilet per 100 attendees (or as the health officer requires), within 200 feet. |
| PSAI Extended Special Event Chart | Industry planning chart. Example: 1,000 guests need about 4 units for 1 hour, 8 for 4 hours and 12 for 8 hours. Add 20 to 30% when it is 80F or hotter or alcohol is served. |
| 2010 ADA Standards 213.2 Exception 3 | Where single-user portable toilets are clustered, at least 5% of the units in each cluster must be accessible, rounded up. 20 units means 1 accessible unit; 21 units means 2. |
| Maricopa County Special Event Requirements | Events with food: the coordinator registers 30 days ahead, lists the number of toilets, and keeps toilets 25 feet from food vendors. |
| Pinal County Ord. 2.151.040 | Small special events apply 60 days ahead; large events (1,000+ participants) apply 120 days ahead. The ordinance sets no toilet ratio. |
| Mesa Special Events Handbook (rev. Jan 2026) | 1 restroom per 100 attendees, or 1 portable per 300 if permanent restrooms sit within 200 feet. At least 10% must be ADA accessible. Weddings and funerals are not special events. |
Summaries checked against the source on 2026-11-03. Always confirm with your permitting office.
Questions people ask
Can porta potties arrive same day?
It depends on the operator and the day. Call and ask what is available.
How many units for a shelter?
Use the PSAI chart for hours and headcount, and plan accessible units.
Related uses
All uses | Service area | Answers