65/100CR Score
Ranked #1 because of its Google rating and review volume: 5.0★ from 1,027 Google reviews, the most in Clarksville.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Clarksville, TN (2026)
16 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Clarksville: Combat Drain Cleaning and Septic Services, CR Score 65/100; 5.0★ from 1,027 Google reviews; open Saturdays until 2 PM.
- 2
Best for emergencies (open 24/7): Clarksville Plumbing Pros, posts 24/7 hours; ranked #2 of 16.
- 7
Most-reviewed: Stinky Pinky Trash & Septic, 788 Google reviews at 3.8★, the most of 16 ranked after Combat Drain Cleaning and Septic Services; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
16 Clarksville septic service companies are ranked here by CR Score, from ten published factors. 3 are open 24/7, 6 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.7★ across 16 rated businesses.
Top 10 septic service companies in Clarksville at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Combat Drain Cleaning and Septic Services | 65 | 5.0★ (1,027) | Clarksville | Sat | Overall |
| 2 | Clarksville Plumbing Pros | 61 | 5.0★ (435) | Clarksville | 24/7 | Emergencies |
| 3 | Sunshine Septic and Trash | 60 | 4.8★ (51) | Clarksville | Sat · Sun | — |
| 4 | Mr. Rooter Plumbing of Clarksville | 59 | 4.9★ (304) | Clarksville | 24/7 | — |
| 5 | Hometown Septic | 59 | 4.9★ (103) | Clarksville | — | — |
| 6 | Poopbusters Septic Service | 56 | 5.0★ (12) | Clarksville | — | — |
| 7 | Stinky Pinky Trash & Septic | 56 | 3.8★ (788) | Clarksville | — | Most reviews |
| 8 | Sunshine Septic Tank Cleaning | 55 | 5.0★ (21) | Clarksville | Sat · Sun | — |
| 9 | Pro N Stall | 54 | 4.2★ (101) | Clarksville | 24/7 | — |
| 10 | Stiffler's Plumbing, LLC | 54 | 5.0★ (167) | Clarksville | Evenings | — |
The 16 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 Clarksville
61/100CR ScoreRanked #2 because of its Google rating and review volume: 5.0★ from 435 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clarksville
60/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.8★ from 51 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clarksville
59/100CR ScoreRanked #4 because of its Google rating and review volume: 4.9★ from 304 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clarksville
59/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 103 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clarksville
56/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Clarksville
56/100CR ScoreRanked #7 because of its Google rating and trade focus: 3.8★ from 788 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clarksville
55/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#9 Pro N Stall
Based in Clarksville
54/100CR ScoreRanked #9 because of its Google rating and review volume: 4.2★ from 101 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clarksville
54/100CR ScoreRanked #10 because of its Google rating and review volume: 5.0★ from 167 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clarksville
53/100CR ScoreRanked #11 because of its Google rating and trade focus: 3.5★ from 36 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#12 Alford Plumbing
Based in Clarksville
52/100CR ScoreRanked #12 because of its Google rating and review volume: 4.6★ from 161 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clarksville
52/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.1★ from 18 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Clarksville
49/100CR ScoreRanked #14 because of its Google rating and review volume: 4.3★ from 84 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clarksville
48/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.5★ from 15 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clarksville
46/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.1★ from 7 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Also serving Clarksville
4 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 | Distance |
|---|---|
| Absolute Excavation and Septic | 25 mi |
| Arcan | In Clarksville |
| Stinky Pinky Septic & Trash Service | 25 mi |
| VanFleet Septic Co | In Clarksville |
How we ranked Clarksville septic service companies
We scored 16 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, TN is Combat Drain Cleaning and Septic Services with a CR Score of 65/100. It has 5.0★ from 1,027 Google reviews. It is open Saturdays until 2 PM. Clarksville Plumbing Pros (#2) and Sunshine Septic and Trash (#3) follow. We ranked 16 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Clarksville?
ContractorsRanked ranks 16 septic service companies serving Clarksville, TN. 16 of them are based in Clarksville; the rest serve it from nearby towns. Another 4 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Clarksville are open 24/7?
3 ranked septic service companies in Clarksville post 24/7 hours. The highest-ranked are Clarksville Plumbing Pros (#2), Mr. Rooter Plumbing of Clarksville (#4) and Pro N Stall (#9). 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?
6 of 16 ranked septic service companies post Saturday hours and 5 post Sunday hours. The highest-ranked open Saturdays are Combat Drain Cleaning and Septic Services (#1), Clarksville Plumbing Pros (#2) and Sunshine Septic and Trash (#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 16 rated septic service companies in Clarksville is 4.7★, with a median of 93 reviews. Combat Drain Cleaning and Septic Services has the most, 1,027 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 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 16 septic service companies serving Clarksville.
- November 2026: 1 duplicate listing merged.
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