Ranked #1 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
8 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Winterset: Forest Septic Environmental Services LLC, CR Score 55/100; 5.0★ from 3 Google reviews; open 24/7.
Best for emergencies (open 24/7): Total Comfort Group, posts 24/7 hours; ranked #2 of 8.
Most-reviewed: Total Comfort Group, 507 Google reviews at 4.7★, the most of 8 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
8 Winterset septic service companies are ranked here by CR Score, from ten published factors. 4 are open 24/7, 6 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 5.0★ across 8 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Forest Septic Environmental Services LLC | 55 | 5.0★ (3) | Indianola, 12 mi away | 24/7 | Overall |
| 2 | Total Comfort Group | 55 | 4.7★ (507) | Clive, 25 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Zippy Drain | 54 | 4.8★ (260) | Clive, 25 mi away | 24/7 | — |
| 4 | Beebe Drain and Sewer Co. | 54 | 5.0★ (48) | Clive, 24 mi away | 24/7 | — |
| 5 | Davis Septic Tank Service | 50 | 5.0★ (4) | Indianola, 19 mi away | Sat | — |
| 6 | Forest Septic Tank Services | 49 | 5.0★ (4) | Indianola, 24 mi away | — | — |
| 7 | Indianola Precast Concrete | 47 | 4.3★ (6) | Indianola, 25 mi away | — | — |
| 8 | Beyond Dirt Construction LLC | 45 | 5.0★ (9) | Norwalk, 22 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 3 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clive, 25 mi away
Ranked #2 because of its Google rating and review volume: 4.7★ from 507 Google reviews, the most in Winterset.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clive, 25 mi away
Ranked #3 because of its Google rating and review volume: 4.8★ from 260 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clive, 24 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 48 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Indianola, 19 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Indianola, 24 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Indianola, 25 mi away
Ranked #7 because of its Google rating and trade focus: 4.3★ 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 Norwalk, 22 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
We scored 8 Winterset 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 Winterset 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 |