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

Published: May 30, 20262026694 words3 min read

Key Takeaways

10 sewage & biohazard firms in Maine 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 Bouchard Cleaning & Restoration, with a MetaScore of 92/100.
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 Maine. Each firm receives a 0-100 Restoration Index MetaScore weighted across 9 sources.

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

Bouchard Cleaning & Restoration (South Portland, ME) — MetaScore 92/100. BBB A+ accredited. founded 2010. Voted Best Cleaning Company since 2015 (Bangor Region), Voted Best Cleaning and Restoration Company since 2015 (Bangor Region). Read the full review.
Bouchard Cleaning & Restoration of Southern Maine (South Portland, ME) — MetaScore 91/100. BBB A+ accredited. founded 2010. Voted the Best Cleaning & Restoration Company since 2015, Voted the Best Cleaning Company since 2015. Read the full review.
Octagon Cleaning & Restoration (Portland, ME) — MetaScore 90/100. 4.8-star Google rating across 210 reviews. BBB A+ accredited. IICRC certified. founded 2000. Angie's List 2012 Super Service Award, Named among the Best of the 207. Read the full review.
Bouchard Cleaning & Restoration, Inc. (Portland, ME) — MetaScore 88/100. 4.7-star Google rating across 142 reviews. BBB A+ accredited. IICRC certified. founded 1970. Read the full review.
911 Restoration of Maine (Lewiston, ME) — MetaScore 84/100. 4.9-star Google rating across 74 reviews. BBB A+ accredited. founded 2014. Read the full review.
ServiceMaster Fire & Water Restoration (Lewiston, ME) — MetaScore 81/100. 4.7-star Google rating across 117 reviews. BBB A+ accredited. founded 1989. Quality Business Awards: The Best Air Duct Cleaning in Lewiston, Maine 2025. Read the full review.
Bouchard Cleaning & Restoration DKI (Bangor, ME) — MetaScore 80/100. founded 2010. Best Cleaning & Restoration Company (Bangor Region) since 2015, Best Cleaning Company (Bangor Region) since 2015. Read the full review.
SERVPRO of Portland (Portland, ME) — MetaScore 79/100. 4.7-star Google rating across 111 reviews. BBB A+ accredited. founded 1978. Read the full review.
Maine Restoration & Construction, LLC (Portland, ME) — MetaScore 75/100. 4.8-star Google rating across 52 reviews. BBB A+ accredited. founded 2009. Read the full review.
1-800 WATER DAMAGE of Southern Maine (Portland, ME) — MetaScore 73/100. 4.9-star Google rating across 97 reviews. BBB A+ accredited. founded 2019. Read the full review.

Top sewage & biohazard firms in Portland

Octagon Cleaning & Restoration leads Portland with a MetaScore of 90/100 and 210 Google reviews. Other top-ranked firms in Portland include Bouchard Cleaning & Restoration, Inc. (MetaScore 88/100), SERVPRO of Portland (MetaScore 79/100), and Maine Restoration & Construction, LLC (MetaScore 75/100).

Top sewage & biohazard firms in South Portland

Bouchard Cleaning & Restoration leads South Portland with a MetaScore of 92/100. Other top-ranked firms in South Portland include Bouchard Cleaning & Restoration of Southern Maine (MetaScore 91/100).

Top sewage & biohazard firms in Lewiston

911 Restoration of Maine leads Lewiston with a MetaScore of 84/100 and 74 Google reviews. Other top-ranked firms in Lewiston include ServiceMaster Fire & Water Restoration (MetaScore 81/100).

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 Maine?

As of May 2026, Bouchard Cleaning & Restoration ranks #1 in Maine for sewage cleanup & biohazard with a MetaScore of 92/100. 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.