What are the porta potty rules in Maricopa County?
Maricopa County requires at least 1 toilet per 20 persons on construction sites and 1 per 100 attendees at public gatherings without adequate permanent toilets, each within 200 feet. Chemical toilets stay 20 feet from occupied buildings and 10 feet from sidewalks, and 25 feet from food vendors at events.
Operators that rent portable restroom units must be permitted by the county. Events with food register with the county 30 days ahead and list the number of toilets.
Sources
| Source | What it says |
|---|---|
| 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. |
| 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. |
| Maricopa County Environmental Health Code | Chemical toilets may not sit within 20 feet of occupied premises or 10 feet of a public sidewalk or thoroughfare unless authorized. |
| 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. |
| 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.
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Last reviewedNovember 3, 2026. Rules are summarized from the linked government and industry sources. We re-check them before each update. See our editorial policy.