59/100CR Score
Ranked #1 because of its Google rating and review volume: 4.4★ from 48 Google reviews, the most in Ottumwa.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Best Septic Service Companies in Ottumwa, IA (2026)
9 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Ottumwa: Mike Richards Sewer & Drain, CR Score 59/100; 4.4★ from 48 Google reviews.
- 2
Best for emergencies (open 24/7): The Other Guys Sewer & Drain, posts 24/7 hours; ranked #2 of 9.
- 6
Most-reviewed: Chris Day Sewer & Drain Cleaning, 39 Google reviews at 5.0★, the most of 9 ranked after Mike Richards Sewer & Drain; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
9 Ottumwa septic service companies are ranked here by CR Score, from ten published factors. 2 are open 24/7, 2 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 4.3★ across 9 rated businesses.
Top 9 septic service companies in Ottumwa at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Mike Richards Sewer & Drain | 59 | 4.4★ (48) | Ottumwa | — | Overall |
| 2 | The Other Guys Sewer & Drain | 58 | 3.8★ (24) | Ottumwa | 24/7 | Emergencies |
| 3 | JV Septic Service | 57 | 5.0★ (19) | Oskaloosa, 25 mi away | 24/7 | — |
| 4 | Craig Richards Sewer & Drain | 56 | 4.2★ (21) | Ottumwa | — | — |
| 5 | Rauscher Pumping and Septic Services | 54 | 5.0★ (6) | Ottumwa | — | — |
| 6 | Chris Day Sewer & Drain Cleaning | 53 | 5.0★ (39) | Zimmerman, 24 mi away | — | Most reviews |
| 7 | Little Daddy's Trenching, Inc. | 47 | 3.6★ (5) | Ottumwa | — | — |
| 8 | Meland Co. Septic Service & Excavating | 46 | 3.3★ (8) | Oskaloosa, 22 mi away | — | — |
| 9 | Fairfield Precast Concrete | 45 | 4.3★ (17) | Fairfield, 22 mi away | — | — |
The 9 best septic service companies in Ottumwa, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Ottumwa
58/100CR ScoreRanked #2 because of its Google rating and review volume: 3.8★ from 24 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oskaloosa, 25 mi away
57/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ 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 Ottumwa
56/100CR ScoreRanked #4 because of its Google rating and review volume: 4.2★ from 21 Google reviews.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Ottumwa
54/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ 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 Zimmerman, 24 mi away
53/100CR ScoreRanked #6 because of its Google rating and review volume: 5.0★ from 39 Google reviews.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Ottumwa
47/100CR ScoreRanked #7 because of its Google rating and trade focus: 3.6★ from 5 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oskaloosa, 22 mi away
46/100CR ScoreRanked #8 because of its Google rating and trade focus: 3.3★ from 8 Google reviews, listed on Google as “General contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Fairfield, 22 mi away
45/100CR ScoreRanked #9 because of its Google rating and review volume: 4.3★ from 17 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
How we ranked Ottumwa septic service companies
We scored 9 Ottumwa 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 Ottumwa 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 Ottumwa: frequently asked questions
Who is the best septic service company in Ottumwa?
By CR Score, the highest-ranked septic service company in Ottumwa, IA is Mike Richards Sewer & Drain with a CR Score of 59/100. It has 4.4★ from 48 Google reviews. The Other Guys Sewer & Drain (#2) and JV Septic Service (#3) follow. We ranked 9 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Ottumwa?
ContractorsRanked ranks 9 septic service companies serving Ottumwa, IA. 5 of them are based in Ottumwa; the rest serve it from nearby towns. Counts are as of November 2026.
Which septic service companies in Ottumwa are open 24/7?
2 ranked septic service companies in Ottumwa post 24/7 hours. The highest-ranked are The Other Guys Sewer & Drain (#2) and JV Septic Service (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Ottumwa work on weekends?
2 of 9 ranked septic service companies post Saturday hours and 2 post Sunday hours. The highest-ranked open Saturdays are The Other Guys Sewer & Drain (#2) and JV Septic Service (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Ottumwa septic service companies have?
The median Google rating among 9 rated septic service companies in Ottumwa is 4.3★, with a median of 19 reviews. Mike Richards Sewer & Drain has the most, 48 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 Ottumwa count in this ranking?
Yes, if they are within 25 mi of the Ottumwa 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 Ottumwa
- November 2026: CR Scores recalculated for 9 septic service companies serving Ottumwa.
More septic service companies and Ottumwa pages
Septic service companies near Ottumwa
Other trades in Ottumwa
- Roofers in Ottumwa17 ranked
- Plumbers in Ottumwa23 ranked
- Electricians in Ottumwa14 ranked
- HVAC contractors in Ottumwa17 ranked
- General contractors in Ottumwa12 ranked
- Painters in Ottumwa5 ranked
- Flooring contractors in Ottumwa5 ranked
- Concrete contractors in Ottumwa10 ranked
- Siding contractors in Ottumwa7 ranked
- Garage door repair companies in Ottumwa6 ranked
- Tree services in Ottumwa8 ranked
- Water damage restoration companies in Ottumwa7 ranked
- Excavating contractors in Ottumwa9 ranked
- All contractors in Ottumwa