Septic Tank Services in Rhode Island

Find trusted, licensed septic companies across 11 cities in Rhode Island. Compare ratings, read reviews, and get free estimates.

🏢83Companies

📍11Cities

⭐4.5Avg Rating

Free estimate · talk to a pro now📞 Call a Septic Pro Now(844) 321-8040

🏆

Highest Rated

Top-Rated Companies in Rhode Island

Based on verified Google reviews and service quality

Eco Tech Supply Inc

★★★★★5(1 reviews)

📍 400 S County Trail a201, Exeter, RI 02822

Serving Exeter since 2026 (0 years)

Septic Pumping & Cleaning

Eco Tech Supply Inc is a septic service provider based in Exeter, Rhode Island. The company is dedicated to delivering reliable septic system solutions to residential and commercial clients in the region. With a commitment to quality service and customer satisfaction, Eco Tech Supply Inc maintains a strong reputation for professional workmanship and dependable support. Whether customers need routine maintenance, repairs, or system installations, the team brings expertise and attention to detail to every project. Located in Rhode Island, Eco Tech Supply Inc continues to serve the local community's septic care needs with professionalism and integrity.

View Profile →

🏢Is Eco Tech Supply Inc your business? Get the professional website + AI receptionist that books jobs while you're in the field — from the directory homeowners already use.See how it works →

L.A. Patterson Inc.

★★★★★5(1 reviews)

📍 332 S County Trail, Exeter, RI 02822

Serving Exeter since 2026 (0 years)

Septic Pumping & Cleaning

L.A. Patterson Inc. is a septic service provider located in Exeter, Rhode Island, serving the local community with professional septic system solutions. The company has earned a perfect 5.0 Google rating, reflecting its commitment to quality workmanship and customer satisfaction. L.A. Patterson Inc. offers expertise in septic system maintenance, repair, and related services to residential and commercial clients throughout the region. With a focus on reliable service and attention to detail, the company has established itself as a trusted choice for septic needs in Rhode Island.

View Profile →

🏢Is L.A. Patterson Inc. your business? Get the professional website + AI receptionist that books jobs while you're in the field — from the directory homeowners already use.See how it works →

AW Pump Pawtucket, RI - Sewer Pump & Well Tank Installation Service

★★★★★5(2 reviews)

📍 40 Montgomery St, Pawtucket, RI 02862

Serving Pawtucket since 2026 (0 years)

Septic Pumping & Cleaning

# AW Pump - Pawtucket, RI AW Pump is a trusted water system service provider based in Pawtucket, Rhode Island, specializing in well pump and tank installation, maintenance, and repair for residential and commercial properties. The company offers comprehensive pump solutions, including professional installation, routine maintenance programs, and emergency repair and replacement services. AW Pump distinguishes itself through 24-hour emergency service availability, ensuring customers have access to support when system failures occur. The company's service portfolio encompasses pump installation with site-specific evaluations, ongoing maintenance to extend equipment lifespan and reduce energy costs, and rapid repair or replacement of malfunctioning systems. AW Pump's technicians handle electrical connections, piping work, and system testing to guarantee optimal performance and prevent water damage or flooding issues. With a perfect 5.0 Google rating, AW Pump has established a strong reputation for professional service and reliable water management solutions throughout Rhode Island. The company remains committed to delivering dependable performance and custom solutions tailored to each property's unique water system requirements.

View Profile →

🏢Is AW Pump Pawtucket, RI - Sewer Pump & Well Tank Installation Service your business? Get the professional website + AI receptionist that books jobs while you're in the field — from the directory homeowners already use.See how it works →

WE DIG Excavation

★★★★★5(13 reviews)

📍 170 Fiore Industrial Dr, South Kingstown, RI 02879

Serving South Kingstown since 2026 (0 years)

Septic Pumping & CleaningDrain Field RepairSeptic Installation

WE DIG Excavation, operating as Wilcox Excavation and Development Investment Group LLC, is a family-owned full-service excavation contractor serving Rhode Island, Massachusetts, and Connecticut. Founded in 1990 by Paul Wilcox Sr. and Byron Wilcox Sr., the company brings over three decades of experience to residential and commercial projects of all sizes. WE DIG specializes in septic system installation, including drain-field, pressurized, and alternative systems, with more than 500 systems successfully installed across Rhode Island. Their comprehensive services also include site work excavation, lot clearing, demolition, earthwork, foundations, underground utilities, drainage systems, retaining walls, driveways, and paving. The company is fully licensed and insured and is now led by second-generation contractors Paul Jr., James, and Mark Wilcox. With a large fleet of machinery and extensive experience in both residential and commercial applications, WE DIG is recognized as a leader in Rhode Island excavation, delivering quality results with a strong commitment to customer satisfaction, integrity, and sustainable construction practices.

View Profile →

🏢Is WE DIG Excavation your business? Get the professional website + AI receptionist that books jobs while you're in the field — from the directory homeowners already use.See how it works →

📍

Local Coverage

Browse Septic Services by City

11 cities with septic service providers in Rhode Island

No cities starting with “A”

→Drag to explore or use arrows

Rhode Island Service Map

11 cities with verified providers

🗺️

Statewide

Browse Septic Services by County in Rhode Island

5 counties with septic providers across Rhode Island

Browse septic services by county across Rhode Island.

⚙️

What We Cover

Popular Services in Rhode Island

Find specialized septic service providers across Rhode Island

💧

📖

Resources

Septic Guides & Resources

Expert guides to help Rhode Island homeowners maintain their septic systems

Rhode Island Septic Regulations

⚖️ State Guide • Permits, Setbacks & Inspections

How Often to Pump Your Septic Tank

📖 Pillar Guide • 21 min read

Complete Septic Maintenance Guide

📖 Pillar Guide • 16 min read

What Is a Drain Field?

📖 Pillar Guide • 14 min read

Septic Pumping Cost Guide

💰 Cost Guide • Updated 2026

Septic Installation Cost Guide

💰 Cost Guide • Updated 2026

Signs Your Septic Tank Needs Pumping

📖 Quick Guide • 9 min read

📖

Local Guide

About Septic Systems in Rhode Island

Rhode Island's compact geography belies the complexity of its septic landscape, with approximately 30% of homes relying on onsite wastewater treatment systems. From the glacial till soils of the interior to the sandy coastal areas bordering Narragansett Bay, the Ocean State's 83 septic providers navigate unique challenges including tight lot setbacks, shallow water tables, and stringent nitrogen-reduction requirements. Coastal communities like Portsmouth, Exeter, and Saunderstown face additional pressures from Nor'easters and storm surge that can compromise system integrity. The Rhode Island Department of Environmental Management enforces some of New England's most protective standards, particularly within the Narragansett Bay watershed where advanced treatment systems are mandatory to protect this vital marine resource.

🏠

30%

Homes on Septic

🏢

Licensed Providers

⭐

4.5/5

Avg Service Rating

📅

Every 3-5 years

Recommended Pumping

🏛

Regulatory Authority

Rhode Island Department of Environmental Management (DEM)

✓Licensed designer and installer required for all onsite wastewater treatment system (OWTS) installations and major repairs
✓Nitrogen-reducing systems mandatory in critical resource areas including much of the Narragansett Bay watershed
✓Rules Establishing Minimum Standards dictate setbacks, design criteria, and construction specifications statewide
✓Additional treatment requirements apply within the Narragansett Bay watershed to protect water quality

Inspection Rules: Septic system inspections are required at the time of property sale in Rhode Island.

Environmental Factors

Soil Type

High Impact

Rhode Island's glacial till dominates interior regions with dense, poorly-draining composition, while coastal areas feature sandy loam and coastal sand that drain rapidly but offer little filtration, requiring careful system design and sometimes imported fill material

Water Table

High Impact

Moderate water tables ranging from 3 to 12 feet create seasonal challenges, particularly during spring thaw when groundwater rises and reduces the vertical separation needed for proper effluent treatment in drain fields

Climate

Medium Impact

The humid continental climate brings heavy precipitation year-round, with coastal Nor'easters delivering intense rainfall and storm surge that saturate drain fields and can cause temporary flooding of systems in low-lying areas near Narragansett Bay

Frost Line

Medium Impact

At 36 inches deep, Rhode Island's frost line requires careful pipe and tank installation to prevent freeze damage during harsh winters, with distribution boxes and pump chambers needing insulation or burial below this depth

Average Pumping Cost

$325 – $575per service

$200$800

Narragansett Bay watershed nitrogen-reducing systems cost significantly more to install and maintain than conventional systemsSmall lot sizes throughout Rhode Island's dense communities often require compact or alternative system designs that increase installation costsCoastal flooding damage from Nor'easters drives higher repair costs in Portsmouth, Tiverton, and other shoreline townsTight setback requirements on undersized lots may necessitate variances or advanced treatment units, adding permitting and engineering expenses

Tips for Rhode Island Homeowners

Install risers to grade on tanks in coastal areas like Saunderstown and Charlestown to prevent floodwater infiltration during storm surge events that routinely impact Narragansett Bay shorelines

Schedule pumping during late summer or early fall when Rhode Island's water tables are lowest, avoiding the spring thaw period when saturated soils make access difficult and systems are under greatest hydraulic stress

If purchasing property in the Narragansett Bay watershed, budget for nitrogen-reducing system maintenance as these advanced units require specialized servicing beyond standard pumping that conventional systems need

Contact the Rhode Island Department of Environmental Management before any septic work to verify current OWTS standards, as regulations evolve frequently to address water quality concerns in coastal resource areas

❓

Common Questions

Frequently Asked Questions

About septic services in Rhode Island

Nitrogen-reducing systems are mandatory throughout much of the Narragansett Bay watershed because excess nitrogen from conventional septic systems contributes to harmful algae blooms and oxygen depletion in the bay. Rhode Island DEM identified onsite wastewater as a significant nitrogen source affecting this critical marine ecosystem. Properties in Exeter, Charlestown, and other watershed communities must install advanced treatment units that reduce nitrogen levels by 50% or more compared to standard systems. These units use additional treatment stages, specialized media, or recirculation to convert nitrogen compounds before effluent reaches groundwater that eventually flows into the bay.

Coastal storms deliver a double threat to Rhode Island septic systems through storm surge flooding and intense rainfall. In Portsmouth, Tiverton, and shoreline communities, saltwater intrusion during surge events can infiltrate tanks through lids and risers, killing beneficial bacteria and corroding concrete components. The saturated soil conditions following Nor'easters prevent drain fields from accepting effluent, causing backups into homes. Systems in FEMA flood zones face repeated inundation that shortens their lifespan. Proper installation with sealed risers, elevated components where possible, and regular inspections after major storms helps coastal homeowners minimize damage from these increasingly frequent weather events.

Rhode Island has some of New England's smallest average residential lots, creating difficult setback scenarios for septic installations. DEM regulations require minimum distances from wells, property lines, buildings, and water bodies, but many lots in densely developed areas lack sufficient space for conventional drain fields. This forces homeowners to install alternative systems like mound systems, at-grade units, or advanced treatment systems with reduced setbacks. The glacial till soils common throughout the state worsen the situation by requiring larger drain field areas due to poor percolation rates. Properties in older subdivisions frequently need variances or innovative designs that substantially increase installation costs compared to conventional systems on larger parcels.

The optimal pumping window in Rhode Island runs from late summer through early fall when water tables drop to their annual lows and soil conditions are driest. Spring pumping should be avoided because snowmelt and spring rains elevate groundwater levels, making it difficult for trucks to access tanks without causing lawn damage and creating risks of tank flotation when emptied in saturated conditions. The humid continental climate means consistent precipitation year-round, but summer's lower water tables provide the safest conditions. With recommended 3-5 year pumping intervals, scheduling during this seasonal window protects both your system and property from the hydraulic stress characteristic of Rhode Island's wet springs.

Yes, Rhode Island law mandates that all onsite wastewater treatment system installations, major repairs, and alterations be performed by DEM-licensed installers working from designs created by licensed designers. This requirement applies statewide and stems from the Rules Establishing Minimum Standards Relating to Location, Design, Construction, and Maintenance of OWTS. Even seemingly minor repairs like replacing distribution boxes or adding tank risers require licensed contractors because improper work can contaminate groundwater or fail to meet current treatment standards. Homeowners can perform routine maintenance like pumping arrangements, but any physical system modifications must involve licensed professionals to ensure compliance and protect Rhode Island's sensitive coastal and groundwater resources.

🏛️

Official Resources