One of 3 septic companies listed in our Waynesville directory. Listing compiled by SepticTankHub from public data — not affiliated with or operated by this business.
Septic Pumping & Cleaning
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4.9/5
80 Reviews
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ABOUT
About this listing
MMI Plumbing & Excavation is a septic service provider located in Waynesville, Missouri, serving the local community with professional plumbing and excavation solutions. The company maintains a strong reputation, reflected in its 4.8-star Google rating based on 79 customer reviews. With expertise in septic system maintenance, repair, and installation, MMI Plumbing & Excavation combines skilled craftsmanship with reliable service. Their commitment to quality workmanship and customer satisfaction has earned them consistent positive feedback from homeowners and businesses in the Waynesville area. Whether addressing routine septic maintenance or complex excavation projects, the company delivers dependable solutions tailored to meet residential and commercial needs.
🕐 Operating Hours
Monday: 9AM-4PM
📍305 Birch Ln, Waynesville, MO 65583 · Listed in the SepticTankHub Waynesville directory.
💡Ratings are sourced from Google Business Profile and verified during our data collection process.
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WHAT WE DO
Services Offered
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Septic Pumping & Cleaning
Routine pumping and thorough cleaning to maintain your system and prevent backups.
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COST TOOL
Pumping Cost Estimator
Enter your tank size to get an estimated pumping cost for the Waynesville area.
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PRICING
Estimated Pricing
Service
Range
Average
Septic Pumping
$300–$600
$425
Septic Inspection
$150–$350
$235
Septic Repair
$500–$2,500
$1,200
Drain Field Repair
$2,000–$8,000
$4,500
Grease Trap Cleaning
$200–$500
$325
Prices are estimates for the Waynesville area. Contact for an exact quote.
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GALLERY
Photos
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FAQ
Frequently Asked Questions
Septic pumping in Waynesville typically costs between $300 and $600, depending on tank size, accessibility, and how long since the last pump. MMI PLUMBING & Excavation can provide an exact quote for your specific situation.
For most homes in Waynesville, septic tanks should be pumped every 3–5 years. Factors like household size, tank capacity, and water usage can shorten or extend this interval. MMI PLUMBING & Excavation can inspect your system and recommend a personalized schedule.
A professional septic inspection typically involves locating and opening the tank, checking the inlet and outlet baffles, measuring sludge and scum layers, and inspecting the distribution box and drain field. The inspector will provide a written report and recommendations. MMI PLUMBING & Excavation can walk you through the process.
Common signs include slow drains throughout the house, gurgling sounds in pipes, sewage odors indoors or outdoors, wet or unusually green patches over the drain field, and sewage backup in toilets or drains. If you notice any of these, contact MMI PLUMBING & Excavation promptly.
Signs of drain field failure include soggy or spongy ground over the leach field, lush green grass directly above the field (especially after dry weather), sewage odors near the drain field, and slow drains or backups in the house. Early intervention can prevent costly full replacement.
