Portable restrooms are essential for outdoor events, construction sites, and venues lacking adequate facilities—but regulations around hand washing stations aren't optional. If you're renting portable units for your event or project, understanding local health codes and ADA requirements will save you costly compliance issues and keep your guests safe.
Why Hand Washing Stations Matter for Portable Restrooms
Most health departments require hand washing stations alongside portable restrooms, especially for events serving food, hosting large crowds, or lasting multiple days. A standalone toilet without hand washing capability creates sanitation risks and often violates local regulations. Rental companies typically bundle these services, but specifics vary by location, event type, and attendance size.
Local Health Code Requirements
Health codes differ by jurisdiction, but common standards include:
- Minimum water supply: 5–10 gallons per hand washing station for events under 500 people; larger events may require multiple stations or continuous water hookups
- Water temperature: Warm water (at least 70°F) is preferred; some jurisdictions mandate it
- Drainage: Wastewater must be disposed of properly—never onto ground or storm drains
- Frequency of restocking: Soap and paper towels must be refilled daily or as needed
- Proximity rule: Hand washing stations should be within 20–30 feet of portable restrooms
Contact your local health department 4–6 weeks before your event to confirm specific requirements for your location and attendance estimate.
ADA Compliance for Hand Washing Stations
If your event is open to the public, ADA accessibility is non-negotiable. Hand washing stations must feature:
- Reachable faucet handles for wheelchair users (typically 36–48 inches from ground)
- Adequate clear space (at least 30 x 48 inches) for wheelchair approach
- Lever-operated or sensor-activated faucets rather than knobs
- Accessible soap and towel dispensers at the same height standards
Most reputable portable restroom rental companies offer ADA-compliant hand washing stations as add-ons. Expect to pay $150–$400 per station per event, depending on duration and water supply needs.
What to Look for When Renting
Integrated vs. Standalone Units
Integrated units combine a hand washing sink with the restroom enclosure—cleaner appearance, takes less space, but limited capacity for high-traffic events.
Standalone hand washing stations offer flexibility, faster throughput, and better placement options. For events over 200 people, standalone stations typically handle demand more effectively.
Water and Waste Management
Ask your rental provider about:
- Whether they supply fresh water or require you to provide hookups
- How often they refill water tanks (daily refills should be standard)
- Whether they handle wastewater disposal or if you're responsible
- If they use eco-friendly, biodegradable soap
Continuous water hookups cost $75–$200 extra but eliminate refill delays at large events.
Supplier Reliability
When comparing portable restroom rental companies, verify:
- Do they maintain stations during your event or only at setup/pickup?
- What's their response time if a station malfunctions?
- Are replacement supplies (soap, towels) included or charged separately?
- Can they provide documentation proving compliance with local health codes?
Mercoly makes it easy to compare trusted portable restroom rental providers in your area—check reviews, pricing, and available add-ons to find the right fit for your event.
Common Scenarios and Setup Examples
Small backyard gathering (50 people, 4 hours): One portable restroom + one hand washing station with 5–7 gallons of water = typically $150–$250 total.
Outdoor wedding (150 guests, 6 hours): Two restrooms + two hand washing stations + continuous water supply + mid-event restocking = $400–$700.
Construction site (ongoing): Two restrooms + hand washing station + daily water/supply refills for one month = $1,200–$2,000.
Festival or event (500+ attendees): Multiple restrooms and stations, continuous water hookup, hourly monitoring, and frequent restocking = $2,500–$5,000+.
Frequently Asked Questions
Q: Do I need a separate hand washing station if my portable restroom has a built-in sink? Built-in sinks work for small events, but integrated units have limited water capacity and can't handle high traffic; standalone stations are better for 200+ people or all-day events.
Q: How much does water cost if the rental company has to refill stations? Most companies include 1–2 refills in the rental price; additional refills typically cost $50–$100 per visit depending on distance and tank size.
Q: Can hand washing stations be placed indoors or under tents? Yes, but ensure proper drainage (gravel or drain pan underneath) and ventilation to prevent water pooling; notify your rental provider about placement so they plan hookups accordingly.
Use Mercoly to request quotes from multiple portable restroom providers and confirm their hand washing compliance and pricing upfront.