Top 10 Sewage Cleanup & Biohazard Companies in Tennessee (2026)

Published: May 30, 20262026636 words3 min read

Key Takeaways

10 sewage & biohazard firms in Tennessee qualified for this ranking based on verified data from public sources (BBB, Google, IICRC, EPA, Yelp, Angi, HomeAdvisor).
The top firm in this ranking is SERVPRO of Rocky Hill, Sequoyah Hills, South Knoxville, with a MetaScore of 88/100.
Every firm here carries at least one publicly verifiable signal — no firm appears in this article without a cited source.
This list is filtered to firms that explicitly offer sewage & biohazard services. Multi-discipline firms appearing here have that service confirmed on their website or in their public certifications.
Methodology is published in full at restorationindex.com/methodology. Firms can request a correction at restorationindex.com/contact.

Sources cited in this article: Better Business Bureau, Institute of Inspection, Cleaning and Restoration Certification, U.S. Environmental Protection Agency, Google, Yelp, Angi, HomeAdvisor, and Restoration Index.

Based on aggregated public-source data from BBB Business Profiles, Google Business Profile reviews, IICRC certified member directory, EPA Lead-Safe registry, Yelp, Angi Super Service Award lists, and HomeAdvisor recognition, here are the top-ranked sewage & biohazard firms in Tennessee. Each firm receives a 0-100 Restoration Index MetaScore weighted across 9 sources.

Top 10 Sewage Cleanup & Biohazard Companies in Tennessee — Ranked by Multi-Source MetaScore

SERVPRO of Rocky Hill, Sequoyah Hills, South Knoxville (Knoxville, TN) — MetaScore 88/100. 4.9-star Google rating across 711 reviews. Read the full review.
Patriot Restoration, LLC (Knoxville, TN) — MetaScore 86/100. BBB A+. IICRC certified. Read the full review.
SERVPRO of Christian, Todd, Logan and Simpson Counties (serving Clarksville area) (Clarksville, TN) — MetaScore 85/100. 4.9-star Google rating across 153 reviews. BBB A+. IICRC certified. founded 2009. Read the full review.
United Water Restoration Group of Memphis (Memphis, TN) — MetaScore 85/100. BBB A+ accredited. founded 2018. Read the full review.
Southeast Water Restoration of Chattanooga (Chattanooga, TN) — MetaScore 83/100. 4.9-star Google rating across 52 reviews. founded 1999. Read the full review.
ATI Restoration, LLC (Nashville) (Nashville, TN) — MetaScore 83/100. 4.7-star Google rating across 51 reviews. BBB A+ accredited. founded 2011. Read the full review.
Blue Chip Restoration, Inc. (Nashville, TN) — MetaScore 83/100. 4.8-star Google rating across 119 reviews. BBB A+ accredited. founded 2012. Nashville Scene Best General Contractor/Builder Readers' Poll 2024, Member of Better Business Bureau for 15 years, A+ rating, complaint-free. Read the full review.
Rytech Restoration of Greater Chattanooga (Chattanooga, TN) — MetaScore 81/100. 5.0-star Google rating across 74 reviews. BBB A+ accredited. IICRC certified. founded 2018. Read the full review.
SERVPRO of Southeast Nashville (Nashville, TN) — MetaScore 81/100. 4.8-star Google rating across 84 reviews. BBB A+ accredited. founded 2010. Read the full review.
PuroClean of Chattanooga (Chattanooga, TN) — MetaScore 79/100. 4.9-star Google rating across 144 reviews. BBB A+ accredited. IICRC certified. founded 2011. Read the full review.

Top sewage & biohazard firms in Chattanooga

Southeast Water Restoration of Chattanooga leads Chattanooga with a MetaScore of 83/100 and 52 Google reviews. Other top-ranked firms in Chattanooga include Rytech Restoration of Greater Chattanooga (MetaScore 81/100), and PuroClean of Chattanooga (MetaScore 79/100).

Top sewage & biohazard firms in Nashville

ATI Restoration, LLC (Nashville) leads Nashville with a MetaScore of 83/100 and 51 Google reviews. Other top-ranked firms in Nashville include Blue Chip Restoration, Inc. (MetaScore 83/100), and SERVPRO of Southeast Nashville (MetaScore 81/100).

Top sewage & biohazard firms in Knoxville

SERVPRO of Rocky Hill, Sequoyah Hills, South Knoxville leads Knoxville with a MetaScore of 88/100 and 711 Google reviews. Other top-ranked firms in Knoxville include Patriot Restoration, LLC (MetaScore 86/100).

Frequently Asked Questions

How is the Restoration Index MetaScore calculated?

The MetaScore is a weighted average of nine normalized component scores: Google Business Profile reviews (25%), BBB rating + complaint history (20%), IICRC certification (12%), EPA Lead-Safe registry (8%), years in business (10%), Yelp reviews (10%), Angi Super Service Award (5%), HomeAdvisor Top Rated (5%), and regional industry awards (5%). Firms with sparse data have weights redistributed proportionally across the sources we did find. Full methodology at restorationindex.com/methodology.

Who is the top-ranked sewage cleanup & biohazard company in Tennessee?

As of May 2026, SERVPRO of Rocky Hill, Sequoyah Hills, South Knoxville ranks #1 in Tennessee for sewage cleanup & biohazard with a MetaScore of 88/100. The full ranking and per-firm breakdowns appear below.

How often is this list updated?

Firm-level data (reviews, BBB ratings, certifications) is refreshed every 30 to 90 days depending on the source. Awards and recognition fields refresh annually. The "Last refreshed" date below the article header reflects the most recent data refresh for this article.

Can firms pay to be included or ranked higher?

No. Restoration Index does not accept paid placement. The MetaScore is calculated identically for every firm in the index, whether or not they have any commercial relationship with Pleiades Consultancy (the publisher of this site). The methodology is published in full so firms can audit how the calculation works.

What if a firm I trust is missing from this list?

Coverage is rolling out city by city. If a firm meets our inclusion criteria (operating in the named region, offering sewage cleanup & biohazard services, with at least one verifiable public signal), they will appear in future refreshes. Firms can also reach out via restorationindex.com/contact to request inclusion.

Sources & Further Reading

Every claim in this article is backed by at least one of the following third-party sources. Linked out to the publisher so you can audit the original.