Top 3 Sewage Cleanup & Biohazard Companies in Louisiana (2026)

Published: May 30, 20262026272 words1 min read

Key Takeaways

3 sewage & biohazard firms in Louisiana 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 1-800 WATER DAMAGE of Shreveport, with a MetaScore of 79/100.
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 Louisiana. Each firm receives a 0-100 Restoration Index MetaScore weighted across 9 sources.

Top 3 Sewage Cleanup & Biohazard Companies in Louisiana — Ranked by Multi-Source MetaScore

1-800 WATER DAMAGE of Shreveport (Shreveport, LA) — MetaScore 79/100. 5.0-star Google rating across 60 reviews. BBB A+ accredited. IICRC certified. founded 2019. Read the full review.
PuroClean of Shreveport (Shreveport, LA) — MetaScore 73/100. 5.0-star Google rating across 69 reviews. BBB C+. IICRC certified. founded 2010. Read the full review.
1-800 WATER DAMAGE of Lake Charles (Lake Charles, LA) — MetaScore 50/100. BBB NR. Read the full review.

Top sewage & biohazard firms in Shreveport

1-800 WATER DAMAGE of Shreveport leads Shreveport with a MetaScore of 79/100 and 60 Google reviews. Other top-ranked firms in Shreveport include PuroClean of Shreveport (MetaScore 73/100).

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 Louisiana?

As of May 2026, 1-800 WATER DAMAGE of Shreveport ranks #1 in Louisiana for sewage cleanup & biohazard with a MetaScore of 79/100. 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.