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.
39 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Troy: Nolen Septic Services, CR Score 64/100; 5.0★ from 237 Google reviews; open 24/7.
Best for emergencies (open 24/7): Affordable Sewer Repair By Barley Excavating, posts 24/7 hours; ranked #5 of 39.
Most-reviewed: Maplewood Plumbing & Sewer, LLC., 1,691 Google reviews at 4.8★, the most of 39 ranked; ranked #9.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
39 Troy septic service companies are ranked here by CR Score, from ten published factors. 6 are open 24/7, 15 open Saturdays and 14 open Sundays, based on posted hours. The median Google rating is 4.7★ across 39 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Nolen Septic Services | 64 | 5.0★ (237) | Edwardsville, 5 mi away | 24/7 | Overall |
| 2 | Mitchell Environmental | 58 | 5.0★ (212) | Belleville, 9 mi away | — | — |
| 3 | V1 Environmental | 57 | 5.0★ (84) | Collinsville, 4 mi away | — | — |
| 4 | Miller Septic | 57 | 4.7★ (19) | Troy | — | — |
| 5 | Affordable Sewer Repair By Barley Excavating | 54 | 5.0★ (14) | Edwardsville, 7 mi away | 24/7 | Emergencies |
| 6 | Shults Septic Service, LLC | 54 | 5.0★ (15) | Belleville, 24 mi away | 24/7 | — |
| 7 | R and M Sewer, Septic and Pipe Cleaning | 53 | 5.0★ (18) | Belleville, 8 mi away | — | — |
| 8 | Flow Master Sewer Drain Water | 53 | 5.0★ (8) | Highland, 2 mi away | Sat · Sun · Evenings | — |
| 9 | Maplewood Plumbing & Sewer, LLC. | 53 | 4.8★ (1,691) | St. Louis, 23 mi away | — | Most reviews |
| 10 | H & H Sewer, Septic Tank & Pipe Cleaning Service | 52 | 4.3★ (3) | St. Louis, 9 mi away | Sat | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
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.
Based in Belleville, 9 mi away
Ranked #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 Collinsville, 4 mi away
Ranked #3 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 Troy
Ranked #4 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 Edwardsville, 7 mi away
Ranked #5 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 Belleville, 24 mi away
Ranked #6 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 Belleville, 8 mi away
Ranked #7 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 Highland, 2 mi away
Ranked #8 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 St. Louis, 23 mi away
Ranked #9 because of its Google rating and review volume: 4.8★ from 1,691 Google reviews, the most in Troy.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Louis, 9 mi away
Ranked #10 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, 20 mi away
Ranked #11 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, 16 mi away
Ranked #12 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 Collinsville, 6 mi away
Ranked #13 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Edwardsville, 13 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 6 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Edwardsville, 5 mi away
Ranked #15 because of its Google rating and review volume: 4.9★ from 69 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Louis, 24 mi away
Ranked #16 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 Collinsville, 7 mi away
Ranked #17 because of its Google rating and review volume: 4.7★ from 63 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Louis, 19 mi away
Ranked #18 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.
Based in Belleville, 23 mi away
Ranked #19 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 Granite City, 15 mi away
Ranked #20 because of its Google rating and trade focus: 4.4★ from 53 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in East Saint Louis, 13 mi away
Ranked #21 because of its Google rating and trade focus: 4.0★ from 8 Google reviews, listed on Google as “Construction company”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in East Alton, 13 mi away
Ranked #22 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, 24 mi away
Ranked #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 Belleville, 23 mi away
Ranked #24 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 Fairview Heights, 9 mi away
Ranked #25 because of its Google rating and trade focus: 2.8★ from 4 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
#1 to #25 are shown in full above. Here are #26 to #39, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Dr Electric Sewer & Drain | 47 | 2.3★ (3) | 22 mi |
| 27 | Denny’s Sewer Plumbing & Drain cleaning | 47 | 5.0★ (6) | 23 mi |
| 28 | Rigdon Sewer Services | 47 | 4.2★ (41) | 16 mi |
| 29 | Alert Plumbing & Sewer Cleaning | 46 | 4.7★ (3) | 21 mi |
| 30 | Wieser Concrete Products Inc | 45 | 4.5★ (17) | 11 mi |
| 31 | Taylor Sewer Service | 45 | 4.7★ (23) | 24 mi |
| 32 | Jet Precast Inc | 45 | 4.3★ (16) | 10 mi |
| 33 | Alpha Plumbing & Sewer Co | 45 | 4.7★ (14) | 21 mi |
| 34 | East Side Sewer & Plumbing Co | 45 | 3.8★ (34) | 19 mi |
| 35 | Ron's Plumbing & Sewer Service | 45 | 4.3★ (32) | 24 mi |
| 36 | Tharp Sewer and Drain | 44 | 4.5★ (8) | 23 mi |
| 37 | Florissant Plumbing Electrical Garage Door Repair Water Heater Repair Air Duct & Sewer Cleaning LLC | 44 | 4.1★ (7) | 20 mi |
| 38 | Sewer & Drain Solutions, LLC | 44 | 4.6★ (9) | 23 mi |
| 39 | GMP Plumbing | 43 | 4.7★ (16) | 22 mi |
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 |
|---|---|---|
| 3rd Generation Sewer Services | 3.0★ (2) | 17 mi |
| Burke Plumbing | 21 mi | |
| C C Drain & Sewer Cleaning Co | 20 mi | |
| City Home Services Llc (Septic & Sewer) | 1.0★ (1) | 11 mi |
| D-A-C Home Inspections | 5.0★ (1) | 8 mi |
| E Plumbing and Sewer | 5.0★ (2) | 20 mi |
| Eleven Eleven Excavating LLC | 5.0★ (1) | 22 mi |
| Gen x construction | 4 mi | |
| Kelmer Plumbing & Sewer | 5.0★ (2) | 6 mi |
| Landis Environmental Sewer Services | 5.0★ (1) | 23 mi |
| Mario's Sewer & Drain Cleaning LLC | 20 mi | |
| Miller Septic | 5.0★ (1) | 15 mi |
| Ross Excavating | 6 mi | |
| Royale Sewer and drains | 20 mi |
We scored 39 Troy 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 Troy 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 |