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Best Septic Service Companies in Centralia, IL (2026)

5 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Centralia: Centralia Sewer Septic & Drain, CR Score 53/100; 4.0★ from 10 Google reviews.

  2. 2

    Most-reviewed: Mt Vernon Sewer & Septic Services, 24 Google reviews at 4.3★, the most of 5 ranked; ranked #2.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

5 Centralia septic service companies are ranked here by CR Score, from ten published factors. The median Google rating is 4.0★ across 5 rated businesses.

Most of this list also appears on the Septic service companies in Mount Vernon ranking. See Septic service companies in Mount Vernon

Top 5 septic service companies in Centralia at a glance

Top 5 septic service companies in Centralia at a glance
RankBusinessCR ScoreGoogle ratingBased inBest for
1Centralia Sewer Septic & Drain534.0★ (10)CentraliaOverall
2Mt Vernon Sewer & Septic Services504.3★ (24)Mount Vernon, 19 mi awayMost reviews
3R & R Sewer473.5★ (4)Centralia—
4Lusch Excavating & Sanitation Inc444.6★ (8)Salem, 16 mi away—
5Fowler Sewer & Septic Services422.3★ (4)Mount Vernon, 19 mi away—

The 5 best septic service companies in Centralia, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

  2. #2 Mt Vernon Sewer & Septic Services

    Based in Mount Vernon, 19 mi away

    50/100CR Score

    Ranked #2 because of its Google rating and review volume: 4.3★ from 24 Google reviews, the most in Centralia.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.3★ from 24 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    1204 1/2 S 16th St, Mt Vernon, IL 62864
    View profile for Mt Vernon Sewer & Septic Services

  3. #3 R & R Sewer

    Based in Centralia

    47/100CR Score

    Ranked #3 because of its Google rating and trade focus: 3.5★ from 4 Google reviews, listed on Google as “Plumber”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 3.5★ from 4 Google reviews
    Hours
    Mon–Fri 8:30 AM–4 PM · Sat–Sun closed
    Address
    426 Linden Ave, Centralia, IL 62801
    View profile for R & R Sewer(618) 532-6707

How we ranked Centralia septic service companies

We scored 5 Centralia septic service companies on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed November 3, 2026.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Centralia data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Septic service companies in Centralia: frequently asked questions

Who is the best septic service company in Centralia?

By CR Score, the highest-ranked septic service company in Centralia, IL is Centralia Sewer Septic & Drain with a CR Score of 53/100. It has 4.0★ from 10 Google reviews. Mt Vernon Sewer & Septic Services (#2) and R & R Sewer (#3) follow. We ranked 5 septic service companies on ten factors, last updated November 3, 2026.

How many septic service companies are there in Centralia?

ContractorsRanked ranks 5 septic service companies serving Centralia, IL. 2 of them are based in Centralia; the rest serve it from nearby towns. Counts are as of November 2026.

What Google rating do Centralia septic service companies have?

The median Google rating among 5 rated septic service companies in Centralia is 4.0★, with a median of 8 reviews. Mt Vernon Sewer & Septic Services has the most, 24 reviews, and ranks #2. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank septic service companies?

Each septic service company gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Do septic service companies outside Centralia count in this ranking?

Yes, if they are within 25 mi of the Centralia city center, our service radius for septic service companies. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.

Can septic service companies pay to rank higher on ContractorsRanked?

No. The CR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured businesses may appear above the list, labelled Featured and showing their honest rank.

Update log for Centralia

  1. November 2026: CR Scores recalculated for 5 septic service companies serving Centralia.

More septic service companies and Centralia pages

Other trades in Centralia