61/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 2,141 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Ballwin, MO (2026)
62 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Ballwin: Mr. Rooter Plumbing of St. Louis, CR Score 61/100; 4.8★ from 2,141 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): Shamrock Sewer & Drain, posts 24/7 hours; ranked #3 of 62.
- 6
Most-reviewed: Superior Service, 2,219 Google reviews at 5.0★, the most of 62 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
62 Ballwin septic service companies are ranked here by CR Score, from ten published factors. 15 are open 24/7, 33 open Saturdays and 24 open Sundays, based on posted hours. The median Google rating is 4.7★ across 62 rated businesses.
Top 10 septic service companies in Ballwin at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Mr. Rooter Plumbing of St. Louis | 61 | 4.8★ (2,141) | Ballwin | 24/7 | Overall |
| 2 | Superior Service | 58 | 4.9★ (1,766) | Chesterfield, 7 mi away | Sat · Sun · Evenings | — |
| 3 | Shamrock Sewer & Drain | 57 | 4.8★ (304) | Pacific, 13 mi away | 24/7 | Emergencies |
| 4 | River City Sewer& Drain, L.L.C. | 57 | 4.9★ (207) | Arnold, 14 mi away | 24/7 | — |
| 5 | Pierson Plumbing Sewer & Drain L.L.C | 56 | 4.8★ (169) | Saint Charles, 13 mi away | 24/7 | — |
| 6 | Superior Service | 56 | 5.0★ (2,219) | Dardenne Prairie, 18 mi away | Sat · Sun · Evenings | Most reviews |
| 7 | Warrior Sewer and Drain | 56 | 4.8★ (459) | Chesterfield, 7 mi away | Sat · Evenings | — |
| 8 | St Louis Sewer & Drain Cleaning Services LLC | 56 | 4.9★ (321) | Godfrey, 6 mi away | Sat | — |
| 9 | Oberkramer Septic Solutions, LLC | 56 | 5.0★ (105) | Wildwood, 18 mi away | — | — |
| 10 | Mr. Rooter Plumbing of St. Charles | 56 | 4.8★ (356) | Saint Peters, 11 mi away | 24/7 | — |
The 62 best septic service companies in Ballwin, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Chesterfield, 7 mi away
58/100CR ScoreRanked #2 because of its Google rating and review volume: 4.9★ from 1,766 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pacific, 13 mi away
57/100CR ScoreRanked #3 because of its Google rating and review volume: 4.8★ from 304 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Arnold, 14 mi away
57/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 207 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saint Charles, 13 mi away
56/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.8★ from 169 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Dardenne Prairie, 18 mi away
56/100CR ScoreRanked #6 because of its Google rating and review volume: 5.0★ from 2,219 Google reviews, the most in Ballwin.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chesterfield, 7 mi away
56/100CR ScoreRanked #7 because of its Google rating and review volume: 4.8★ from 459 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Godfrey, 6 mi away
56/100CR ScoreRanked #8 because of its Google rating and review volume: 4.9★ from 321 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Wildwood, 18 mi away
56/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 105 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Saint Peters, 11 mi away
56/100CR ScoreRanked #10 because of its Google rating and review volume: 4.8★ from 356 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
#11 The Sewer Pros
Based in Chesterfield, 7 mi away
55/100CR ScoreRanked #11 because of its Google rating and review volume: 4.9★ from 594 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Louis, 14 mi away
55/100CR ScoreRanked #12 because of its Google rating and review volume: 4.8★ from 1,691 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Louis, 12 mi away
54/100CR 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 Sappington, 10 mi away
54/100CR ScoreRanked #14 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 Saint Ann, 11 mi away
53/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.0★ from 177 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pacific, 15 mi away
53/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Kirkwood, 8 mi away
53/100CR ScoreRanked #17 because of its Google rating and trade focus: 3.7★ from 9 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Saint Peters, 11 mi away
53/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.8★ from 81 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Wildwood, 16 mi away
53/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.8★ from 61 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, 9 mi away
53/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.8★ from 183 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Creve Coeur, 7 mi away
53/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Valley Park, 5 mi away
52/100CR ScoreRanked #22 because of its Google rating and availability: 4.4★ from 36 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Louis, 13 mi away
52/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.3★ from 29 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Wildwood, 17 mi away
52/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.2★ from 56 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in O'Fallon, 20 mi away
52/100CR ScoreRanked #25 because of its Google rating and trade focus: 3.1★ from 18 Google reviews, listed on Google as “Septic system service”.
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 62 ranked septic service companies here; the rest are on their profiles.
Also serving Ballwin
14 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 |
|---|---|---|
| Biologix Products Group | 5.0★ (1) | 11 mi |
| Burke Plumbing | 19 mi | |
| C C Drain & Sewer Cleaning Co | 21 mi | |
| Drain Cleaning St Louis | 5.0★ (1) | 11 mi |
| E Plumbing and Sewer | 5.0★ (2) | 17 mi |
| Eco Septic Tank Pumping St Louis | 5 mi | |
| H & H Sewer & Pipe Cleaning | 5.0★ (1) | 21 mi |
| Landis Environmental Sewer Services | 5.0★ (1) | 18 mi |
| Mario's Sewer & Drain Cleaning, LLC | 7 mi | |
| Mega Rooter sewer and Drain LLC | 6 mi | |
| O'Fallon Sewer & Plumbing Repair Service | 20 mi | |
| Royale Sewer and drains | 17 mi | |
| SweenCo Sewer Rehabilitation | 5.0★ (2) | 16 mi |
| The Home Depot | 4.3★ (1,022) | In Ballwin |
How we ranked Ballwin septic service companies
We scored 62 Ballwin 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 Ballwin 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 Ballwin: frequently asked questions
Who is the best septic service company in Ballwin?
By CR Score, the highest-ranked septic service company in Ballwin, MO is Mr. Rooter Plumbing of St. Louis with a CR Score of 61/100. It has 4.8★ from 2,141 Google reviews. It is open 24/7. Superior Service (#2) and Shamrock Sewer & Drain (#3) follow. We ranked 62 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Ballwin?
ContractorsRanked ranks 62 septic service companies serving Ballwin, MO. 1 of them is based in Ballwin; the rest serve it from nearby towns. Another 14 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Ballwin are open 24/7?
15 ranked septic service companies in Ballwin post 24/7 hours. The highest-ranked are Mr. Rooter Plumbing of St. Louis (#1), Shamrock Sewer & Drain (#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 Ballwin work on weekends?
33 of 62 ranked septic service companies post Saturday hours and 24 post Sunday hours. The highest-ranked open Saturdays are Mr. Rooter Plumbing of St. Louis (#1), Superior Service (#2) and Shamrock Sewer & Drain (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Ballwin septic service companies have?
The median Google rating among 62 rated septic service companies in Ballwin is 4.7★, with a median of 30 reviews. Superior Service has the most, 2,219 reviews, and ranks #6. 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 Ballwin count in this ranking?
Yes, if they are within 25 mi of the Ballwin 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 Ballwin
- November 2026: CR Scores recalculated for 62 septic service companies serving Ballwin.
- November 2026: 1 duplicate listing merged.
More septic service companies and Ballwin pages
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