61/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 137 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 Clarksville, IN (2026)
20 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Clarksville: G D Estes & Co, CR Score 61/100; 4.9★ from 137 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Supreme Septic Services, posts 24/7 hours; ranked #2 of 20.
- 4
Most-reviewed: United Plumbing, 864 Google reviews at 4.8★, the most of 20 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
20 Clarksville septic service companies are ranked here by CR Score, from ten published factors. 7 are open 24/7, 10 open Saturdays and 7 open Sundays, based on posted hours. The median Google rating is 4.9★ across 20 rated businesses.
Most of this list also appears on the Septic service companies in Jeffersonville ranking. See Septic service companies in Jeffersonville
Top 10 septic service companies in Clarksville at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | G D Estes & Co | 61 | 4.9★ (137) | Louisville, 14 mi away | 24/7 | Overall |
| 2 | Supreme Septic Services | 60 | 4.9★ (156) | Louisville, 17 mi away | 24/7 | Emergencies |
| 3 | Sal's Heating & Cooling, Plumbing & Sewer | 60 | 4.7★ (635) | Louisville, 10 mi away | 24/7 | — |
| 4 | United Plumbing | 59 | 4.8★ (864) | Charlestown, 8 mi away | 24/7 | Most reviews |
| 5 | Losson Excavating, Septic & Drain, Inc. | 58 | 4.9★ (210) | Salem, 22 mi away | Sat · Sun · Evenings | — |
| 6 | SepticWorks | 56 | 5.0★ (23) | Louisville, 17 mi away | 24/7 | — |
| 7 | Crown Septic Co | 55 | 5.0★ (9) | Louisville, 12 mi away | 24/7 | — |
| 8 | Bullitt Septic Service, Inc | 53 | 5.0★ (24) | Louisville, 9 mi away | — | — |
| 9 | A1 Porta Potty | 52 | 4.8★ (213) | New Albany, 5 mi away | — | — |
| 10 | Sewer Doctor | 51 | 4.9★ (68) | Shepherdsville, 16 mi away | Sat | — |
The 20 best septic service companies in Clarksville, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Louisville, 17 mi away
60/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 156 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Louisville, 10 mi away
60/100CR ScoreRanked #3 because of its Google rating and review volume: 4.7★ from 635 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Charlestown, 8 mi away
59/100CR ScoreRanked #4 because of its Google rating and review volume: 4.8★ from 864 Google reviews, the most in Clarksville.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Salem, 22 mi away
58/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 210 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#6 SepticWorks
Based in Louisville, 17 mi away
56/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Louisville, 12 mi away
55/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Louisville, 9 mi away
53/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in New Albany, 5 mi away
52/100CR ScoreRanked #9 because of its Google rating and review volume: 4.8★ from 213 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
#10 Sewer Doctor
Based in Shepherdsville, 16 mi away
51/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 68 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Louisville, 10 mi away
51/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.5★ from 20 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Jeffersontown, 8 mi away
51/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.5★ from 43 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Louisville, 17 mi away
50/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.1★ from 47 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Jeffersontown, 12 mi away
48/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.4★ from 14 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Louisville, 20 mi away
47/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Shelbyville, 24 mi away
47/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Louisville, 23 mi away
44/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Madison, 22 mi away
43/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.6★ from 11 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Shepherdsville, 19 mi away
40/100CR ScoreRanked #19 because of its Google rating and trade focus: 3.8★ from 10 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Louisville, 24 mi away
39/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
How we ranked Clarksville septic service companies
We scored 20 Clarksville 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 Clarksville 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 Clarksville: frequently asked questions
Who is the best septic service company in Clarksville?
By CR Score, the highest-ranked septic service company in Clarksville, IN is G D Estes & Co with a CR Score of 61/100. It has 4.9★ from 137 Google reviews. It is open 24/7. Supreme Septic Services (#2) and Sal's Heating & Cooling, Plumbing & Sewer (#3) follow. We ranked 20 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Clarksville?
ContractorsRanked ranks 20 septic service companies serving Clarksville, IN. Counts are as of November 2026.
Which septic service companies in Clarksville are open 24/7?
7 ranked septic service companies in Clarksville post 24/7 hours. The highest-ranked are G D Estes & Co (#1), Supreme Septic Services (#2) and Sal's Heating & Cooling, Plumbing & Sewer (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Clarksville work on weekends?
10 of 20 ranked septic service companies post Saturday hours and 7 post Sunday hours. The highest-ranked open Saturdays are G D Estes & Co (#1), Supreme Septic Services (#2) and Sal's Heating & Cooling, Plumbing & Sewer (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Clarksville septic service companies have?
The median Google rating among 20 rated septic service companies in Clarksville is 4.9★, with a median of 24 reviews. United Plumbing has the most, 864 reviews, and ranks #4. 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 Clarksville count in this ranking?
Yes, if they are within 25 mi of the Clarksville 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 Clarksville
- November 2026: CR Scores recalculated for 20 septic service companies serving Clarksville.
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