Mount Vernon
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Septic service companies in Mount Vernon, OH
3 listed3 with a ODH bond badge4.8 average from 36 reviewsListings updated Oct 3, 2026
Three septic service companies list an office in Mount Vernon (Knox County). Three of them carry our ODH-bonded service provider badge, meaning we matched the business to the Ohio Department of Health's bond list for service providers.
We read three of their websites. Of those, one mentions maintenance contracts.
SIMS On-Site Sanitation, LLC has the strongest Google record here, 4.9 stars from 33 reviews.
Featured septic service companies in Mount Vernon
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All septic service companies in Mount Vernon
Mount Vernon
Total Turf and Dirt
ODH-bonded septic installerMount Vernon excavation company installing and repairing septic systems, with maintenance plans for Knox, Richland and Morrow counties.
New system installationExcavationRepairs
Mount Vernon
Common questions about septic service companies in Mount Vernon
Which septic service companies in Mount Vernon are ODH-bonded?
We matched SIMS On-Site Sanitation, LLC, Total Turf and Dirt and Bank Sanitation LLC to the Ohio Department of Health's bond list for service providers. Each listing shows the date we checked.
Who is the highest-rated septic service company in Mount Vernon?
SIMS On-Site Sanitation, LLC, with 4.9 stars from 33 Google reviews. We weight ratings by the number of reviews, so a long record counts for more than a perfect score from a handful.
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