Business Details
50+ Years
experience
Emergency
services
Your Trusted Partner for Portable Toilet & Septic Services in Merrimack, NH
Triangle Portable Services has been a family-owned business since 1961, dedicated to providing reliable portable sanitation solutions. Founded by George Foley, our company began with innovative plywood portable toilets and quickly expanded through partnerships with major contractors like Anheuser-Busch. Under Carol Chases leadership in 1973, we transitioned to modern polyurethane units and broadened our reach into public and private sectors. Today, Carols children continue this legacy, maintaining our commitment to quality, weekly service guarantees, and environmentally safe practices. With over six decades of experience, we serve construction sites, weddings, sporting events, and family gatherings across Merrimack, NH.Our team combines generational expertise with certified professionals to deliver tailored solutions for every client. We pride ourselves on personalized service, competitive pricing, and a deep understanding of local sanitation needs. As a fourth-generation business, we remain focused on innovation while upholding the high standards established by our founders. Our dedication to customer satisfaction ensures every client receives dependable, hygienic facilities when and where they need them.
Services
Standard Restroom
Deluxe Restroom
Wheelchair-Accessible Restroom
Fresh-Water Flushing Toilet
Septic Tank Pumping
Holding Tank Rental
Hand Sink Units
Details
- Year established: 1961
Highlights and features
- Four generations of experience since 1961
- Certified professionals for septic services
- 24/7 availability for urgent needs
- Competitive pricing with no hidden fees
- Family-owned with personalized service
Services
Standard Restroom
Our most popular portable toilet features a spacious interior, modern design, and essential amenities for events or construction sites. Includes water-less hand sanitizer, toilet tissue, and a 70-gallon holding tank serving up to 75 users. Ideal for short-term rentals and weekly maintenance.
Deluxe Restroom
Self-contained deluxe restroom with a fresh water sink, paper towels, soap dispenser, and mirror. Designed for events requiring handwashing facilities without external water access. Perfect for garden weddings or outdoor gatherings needing premium sanitation options with weekly service guarantees.
Wheelchair-Accessible Restroom
Fully accessible portable toilet with ground-level entry, safety handrails, and antiseptic hand sanitizer. Meets ADA compliance standards for events or construction sites requiring inclusive facilities. Includes toilet tissue and a 70-gallon tank, accommodating up to 75 users with weekly maintenance included.
Fresh-Water Flushing Toilet
Premium portable toilet with fresh-water flushing system and integrated sink amenities. Requires additional water supply for optimal operation. Designed for high-end events needing permanent sanitation solutions. Consult sales for proper unit quantities based on expected attendance and usage patterns.
Septic Tank Pumping
Professional septic tank pumping by certified technicians using advanced equipment. Available 24/7 for residential and commercial properties. Ensures regulatory compliance and prevents system failures through regular maintenance. Backed by decades of experience in environmentally safe waste management practices.
People
George Foley
Founder
Founded Triangle Portable Services in 1961 after creating New Hampshire's first plywood portable toilets. Expanded the business through partnerships like Anheuser-Busch's Merrimack brewery project, establishing industry standards for construction site sanitation.
Carol Chase
Former Owner
Took over operations in 1973, becoming New Hampshire's first woman-owned portable toilet business owner. Transitioned units to modern polyurethane models and expanded into public sectors while maintaining family values and environmental responsibility.
Stephen Chase
Co-Owner
Third-generation leader continuing family legacy since 1990s. Focuses on maintaining high service standards while adapting to modern sanitation demands. Oversees daily operations and client relations for both portable toilet and septic services.
Mark Chase
Co-Owner
Manages technical operations and fleet maintenance as part of the third generation. Ensures equipment reliability and environmental compliance across all portable units and septic pumping services since joining the family business.
Pamela Chase
Co-Owner
Handles administrative operations and customer service as the third-generation leader. Maintains family commitment to personalized service while implementing modern business practices for efficient portable sanitation solutions.
Questions
What types of portable toilets do you offer?
We provide standard, deluxe, wheelchair-accessible, and fresh-water flushing units. Each includes weekly maintenance, with options for short-term rentals or long-term contracts based on your event or project needs.
How do I determine the right number of units needed?
Contact our sales team with event details or construction timeline. We'll recommend appropriate quantities based on expected attendance, duration, and specific requirements like ADA compliance or sink availability.
Do you offer 24/7 emergency service?
Yes, our septic pumping and portable toilet services operate 24/7. Call anytime for urgent needs or schedule regular maintenance through our office during business hours.
Are your units environmentally friendly?
All our portable toilets use eco-safe materials and waste management practices. We follow strict environmental regulations for septic pumping and disposal to ensure sustainability across all services.
What areas do you serve?
Primarily serving Merrimack, NH and surrounding regions. We accommodate weddings, sporting events, construction sites, and private parties throughout New Hampshire with reliable delivery and maintenance.
How can I get a quote for rental services?
Call our office anytime or visit our website's booking portal. Provide event details or project specifications to receive a customized quote with transparent pricing and no hidden fees.