61/100CR Score
Ranked #1 because of its Google rating and review volume: 4.7★ from 522 Google reviews, the most in Danville.
Best Septic Service Companies in Danville, IL (2026)
10 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Danville: Roto-Rooter, CR Score 61/100; 4.7★ from 522 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Clean Line Sewer Septic & Plumbing, posts 24/7 hours; ranked #2 of 10.
- 2
Most-reviewed: Clean Line Sewer Septic & Plumbing, 159 Google reviews at 4.5★, the most of 10 ranked after Roto-Rooter; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
10 Danville septic service companies are ranked here by CR Score, from ten published factors. 4 are open 24/7, 5 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.5★ across 10 rated businesses.
Top 10 septic service companies in Danville at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Roto-Rooter | 61 | 4.7★ (522) | Danville | 24/7 | Overall |
| 2 | Clean Line Sewer Septic & Plumbing | 60 | 4.5★ (159) | Danville | 24/7 | Emergencies, Most reviews |
| 3 | Heidrick Septic Service, Inc. | 56 | 4.6★ (28) | Danville | — | — |
| 4 | Owens Sewer Services | 55 | 4.4★ (8) | Danville | 24/7 | — |
| 5 | B&H Sewer Services | 54 | 5.0★ (5) | Danville | 24/7 | — |
| 6 | Danville Septic Service Inc. | 53 | 4.4★ (8) | Danville | — | — |
| 7 | Main Line Sewer and Drain | 53 | 3.9★ (11) | Danville | Sat · Sun · Evenings | — |
| 8 | Danville Septic Service Inc. | 53 | 5.0★ (5) | Danville | — | — |
| 9 | Drennan Septic Services Inc | 50 | 4.5★ (10) | Danville | — | — |
| 10 | ECI Septic, Sewer & Underground Solutions | 48 | 5.0★ (7) | Douglas, 20 mi away | — | — |
The 10 best septic service companies in Danville, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Danville
60/100CR ScoreRanked #2 because of its Google rating and review volume: 4.5★ from 159 Google reviews.
Based in Danville
56/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.6★ from 28 Google reviews, listed on Google as “Septic system service”.
Based in Danville
55/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.4★ from 8 Google reviews, listed on Google as “Plumber”.
Based in Danville
54/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Plumber”.
Based in Danville
53/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.4★ from 8 Google reviews, listed on Google as “Septic system service”.
Based in Danville
53/100CR ScoreRanked #7 because of its Google rating and trade focus: 3.9★ from 11 Google reviews, listed on Google as “Plumber”.
Based in Danville
53/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Septic system service”.
Based in Danville
50/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.5★ from 10 Google reviews, listed on Google as “Plumber”.
Based in Douglas, 20 mi away
48/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Septic system service”.
Also serving Danville
1 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 |
|---|---|---|
| Kinney's Sewer Service | 5.0★ (1) | In Danville |
How we ranked Danville septic service companies
We scored 10 Danville 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 Danville 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 Danville: frequently asked questions
Who is the best septic service company in Danville?
By CR Score, the highest-ranked septic service company in Danville, IL is Roto-Rooter with a CR Score of 61/100. It has 4.7★ from 522 Google reviews. It is open 24/7. Clean Line Sewer Septic & Plumbing (#2) and Heidrick Septic Service, Inc. (#3) follow. We ranked 10 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Danville?
ContractorsRanked ranks 10 septic service companies serving Danville, IL. 9 of them are based in Danville; the rest serve it from nearby towns. Another 1 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Danville are open 24/7?
4 ranked septic service companies in Danville post 24/7 hours. The highest-ranked are Roto-Rooter (#1), Clean Line Sewer Septic & Plumbing (#2) and Owens Sewer Services (#4). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Danville work on weekends?
5 of 10 ranked septic service companies post Saturday hours and 5 post Sunday hours. The highest-ranked open Saturdays are Roto-Rooter (#1), Clean Line Sewer Septic & Plumbing (#2) and Owens Sewer Services (#4). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Danville septic service companies have?
The median Google rating among 10 rated septic service companies in Danville is 4.5★, with a median of 9 reviews. Roto-Rooter has the most, 522 reviews, and ranks #1. 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 Danville count in this ranking?
Yes, if they are within 25 mi of the Danville 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 Danville
- November 2026: CR Scores recalculated for 10 septic service companies serving Danville.
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