61/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 237 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Belleville, IL (2026)
53 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Belleville: Nolen Septic Services, CR Score 61/100; 5.0★ from 237 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): Shults Septic Service, LLC, posts 24/7 hours; ranked #3 of 53.
- 9
Most-reviewed: Maplewood Plumbing & Sewer, LLC., 1,691 Google reviews at 4.8★, the most of 53 ranked; ranked #9.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
53 Belleville septic service companies are ranked here by CR Score, from ten published factors. 9 are open 24/7, 21 open Saturdays and 18 open Sundays, based on posted hours. The median Google rating is 4.7★ across 53 rated businesses.
Top 10 septic service companies in Belleville at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Nolen Septic Services | 61 | 5.0★ (237) | Edwardsville, 19 mi away | 24/7 | Overall |
| 2 | Mitchell Environmental | 60 | 5.0★ (212) | Belleville | — | — |
| 3 | Shults Septic Service, LLC | 60 | 5.0★ (15) | Belleville | 24/7 | Emergencies |
| 4 | River City Sewer& Drain, L.L.C. | 55 | 4.9★ (207) | Arnold, 22 mi away | 24/7 | — |
| 5 | V1 Environmental | 55 | 5.0★ (84) | Collinsville, 13 mi away | — | — |
| 6 | R and M Sewer, Septic and Pipe Cleaning | 55 | 5.0★ (18) | Belleville | — | — |
| 7 | Red's Sewer Service, Inc. | 54 | 5.0★ (83) | Belleville | — | — |
| 8 | Alpha Sewer Services | 54 | 4.6★ (51) | Belleville | — | — |
| 9 | Maplewood Plumbing & Sewer, LLC. | 54 | 4.8★ (1,691) | St. Louis, 18 mi away | — | Most reviews |
| 10 | Miller Septic | 54 | 4.7★ (19) | Troy, 12 mi away | — | — |
The 53 best septic service companies in Belleville, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Belleville
60/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 212 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Belleville
60/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Arnold, 22 mi away
55/100CR ScoreRanked #4 because of its Google rating and review volume: 4.9★ from 207 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Collinsville, 13 mi away
55/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 84 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Belleville
55/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Belleville
54/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 83 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Belleville
54/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.6★ from 51 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in St. Louis, 18 mi away
54/100CR ScoreRanked #9 because of its Google rating and review volume: 4.8★ from 1,691 Google reviews, the most in Belleville.
Based on 8 of 10 factors; credentials and recency not yet collected.
#10 Miller Septic
Based in Troy, 12 mi away
54/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.7★ from 19 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Belleville
53/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Louis, 7 mi away
52/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.3★ from 3 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Louis, 21 mi away
51/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.8★ from 19 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waterloo, 19 mi away
51/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.7★ from 40 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sappington, 21 mi away
51/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.7★ from 23 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Edwardsville, 20 mi away
51/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Louis, 19 mi away
51/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.6★ from 14 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Belleville
50/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.7★ from 14 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Highland, 14 mi away
50/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in East Alton, 3 mi away
50/100CR ScoreRanked #20 because of its Google rating and availability: 3.7★ from 3 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Louis, 22 mi away
49/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.7★ from 28 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Louis, 23 mi away
49/100CR ScoreRanked #22 because of its Google rating and review volume: 4.8★ from 183 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Louis, 17 mi away
49/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.3★ from 15 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Louis, 15 mi away
49/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Louis, 16 mi away
49/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.8★ from 8 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Septic service companies ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 53 ranked septic service companies here; the rest are on their profiles.
Also serving Belleville
17 more septic service companies within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| 3rd Generation Sewer Services | 3.0★ (2) | 23 mi |
| Biologix Products Group | 5.0★ (1) | 25 mi |
| Burke Plumbing | 23 mi | |
| C C Drain & Sewer Cleaning Co | 23 mi | |
| City Home Services Llc (Septic & Sewer) | 1.0★ (1) | 24 mi |
| D-A-C Home Inspections | 5.0★ (1) | 8 mi |
| Drain Cleaning St Louis | 5.0★ (1) | 20 mi |
| E Plumbing and Sewer | 5.0★ (2) | 17 mi |
| Eleven Eleven Excavating LLC | 5.0★ (1) | 7 mi |
| Gen x construction | 20 mi | |
| H & H Sewer & Pipe Cleaning | 5.0★ (1) | 13 mi |
| Kelmer Plumbing & Sewer | 5.0★ (2) | 16 mi |
| Landis Environmental Sewer Services | 5.0★ (1) | 24 mi |
| Mario's Sewer & Drain Cleaning LLC | 17 mi | |
| Miller Septic | 5.0★ (1) | In Belleville |
| Ross Excavating | 12 mi | |
| Royale Sewer and drains | 17 mi |
How we ranked Belleville septic service companies
We scored 53 Belleville 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.
| Factor | Weight | Computed from | In Belleville data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |
Septic service companies in Belleville: frequently asked questions
Who is the best septic service company in Belleville?
By CR Score, the highest-ranked septic service company in Belleville, IL is Nolen Septic Services with a CR Score of 61/100. It has 5.0★ from 237 Google reviews. It is open 24/7. Mitchell Environmental (#2) and Shults Septic Service, LLC (#3) follow. We ranked 53 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Belleville?
ContractorsRanked ranks 53 septic service companies serving Belleville, IL. 7 of them are based in Belleville; the rest serve it from nearby towns. Another 17 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Belleville are open 24/7?
9 ranked septic service companies in Belleville post 24/7 hours. The highest-ranked are Nolen Septic Services (#1), Shults Septic Service, LLC (#3) and River City Sewer& Drain, L.L.C. (#4). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Belleville work on weekends?
21 of 53 ranked septic service companies post Saturday hours and 18 post Sunday hours. The highest-ranked open Saturdays are Nolen Septic Services (#1), Shults Septic Service, LLC (#3) and River City Sewer& Drain, L.L.C. (#4). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Belleville septic service companies have?
The median Google rating among 53 rated septic service companies in Belleville is 4.7★, with a median of 18 reviews. Maplewood Plumbing & Sewer, LLC. has the most, 1,691 reviews, and ranks #9. 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 Belleville count in this ranking?
Yes, if they are within 25 mi of the Belleville 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 Belleville
- November 2026: CR Scores recalculated for 53 septic service companies serving Belleville.
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