60/100CR Score
Ranked #1 because of its Google rating and review volume: 4.3★ from 92 Google reviews, the most in Madison.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Madison, WI (2026)
13 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Madison: Eckmayer Inc., CR Score 60/100; 4.3★ from 92 Google reviews.
- 2
Most-reviewed: Madison Sewer & Drain Cleaning, 51 Google reviews at 4.9★, the most of 13 ranked after Eckmayer Inc.; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
13 Madison septic service companies are ranked here by CR Score, from ten published factors. The median Google rating is 4.9★ across 13 rated businesses.
Top 10 septic service companies in Madison at a glance
| Rank | Business | CR Score | Google rating | Based in | Best for |
|---|---|---|---|---|---|
| 1 | Eckmayer Inc. | 60 | 4.3★ (92) | Madison | Overall |
| 2 | Madison Sewer & Drain Cleaning | 59 | 4.9★ (51) | Madison | Most reviews |
| 3 | Country Water Well and Septic LLC | 58 | 5.0★ (21) | Madison | — |
| 4 | Meinholz Excavating Inc. | 58 | 4.8★ (21) | Madison | — |
| 5 | Kalscheur Septic Services | 57 | 4.9★ (25) | Waunakee, 8 mi away | — |
| 6 | A-1 Sewer Service Inc. | 57 | 4.8★ (12) | Madison | — |
| 7 | Honey Wagon Septic Services Inc | 55 | 4.3★ (20) | Stoughton, 14 mi away | — |
| 8 | Wright Plumbing & Soil Testing, Inc. | 55 | 4.4★ (45) | Madison | — |
| 9 | Richardson Sanitation, LLC | 53 | 5.0★ (3) | Madison | — |
| 10 | Hubred Septic Pumping & Porta-Potties | 53 | 5.0★ (3) | Madison | — |
The 13 best septic service companies in Madison, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Madison
59/100CR ScoreRanked #2 because of its Google rating and review volume: 4.9★ from 51 Google reviews.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Madison
58/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Madison
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 21 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waunakee, 8 mi away
57/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 25 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Madison
57/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ from 12 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Stoughton, 14 mi away
55/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.3★ from 20 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Madison
55/100CR ScoreRanked #8 because of its Google rating and review volume: 4.4★ from 45 Google reviews.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Madison
53/100CR ScoreRanked #9 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 Madison
53/100CR ScoreRanked #10 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 Cottage Grove, 10 mi away
51/100CR ScoreRanked #11 because of its Google rating and review volume: 5.0★ from 39 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Middleton, 9 mi away
51/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.1★ from 9 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
#13 Sewer Ninjas
Based in Cottage Grove, 21 mi away
48/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Also serving Madison
5 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 |
|---|---|---|
| B&R pumping service LLC | 5.0★ (1) | 3 mi |
| Bert's Septic & Excavating | 5.0★ (2) | 13 mi |
| Gensler Inc. | 1.0★ (2) | In Madison |
| Martinson Excavating Inc | 5.0★ (1) | 9 mi |
| Septic Services in Madison | In Madison |
How we ranked Madison septic service companies
We scored 13 Madison 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 Madison 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 Madison: frequently asked questions
Who is the best septic service company in Madison?
By CR Score, the highest-ranked septic service company in Madison, WI is Eckmayer Inc. with a CR Score of 60/100. It has 4.3★ from 92 Google reviews. Madison Sewer & Drain Cleaning (#2) and Country Water Well and Septic LLC (#3) follow. We ranked 13 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Madison?
ContractorsRanked ranks 13 septic service companies serving Madison, WI. 8 of them are based in Madison; the rest serve it from nearby towns. Another 5 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
What Google rating do Madison septic service companies have?
The median Google rating among 13 rated septic service companies in Madison is 4.9★, with a median of 21 reviews. Eckmayer Inc. has the most, 92 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 Madison count in this ranking?
Yes, if they are within 25 mi of the Madison 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 Madison
- November 2026: CR Scores recalculated for 13 septic service companies serving Madison.
More septic service companies and Madison pages
Septic service companies near Madison
- Septic service companies in Middleton, WI9 ranked
- Septic service companies in Fitchburg, WI12 ranked
- Septic service companies in Waunakee, WI15 ranked
- Septic service companies in Verona, WI10 ranked
- Septic service companies in Oregon, WI17 ranked
- Septic service companies in Sun Prairie, WI14 ranked
- Septic service companies in Stoughton, WI21 ranked
- Septic service companies in Fort Atkinson, WI23 ranked
- Septic service companies in Portage, WI8 ranked
- Septic service companies in Baraboo, WI9 ranked
Other trades in Madison
- Roofers in Madison204 ranked
- Plumbers in Madison95 ranked
- Electricians in Madison101 ranked
- HVAC contractors in Madison83 ranked
- General contractors in Madison139 ranked
- Painters in Madison133 ranked
- Landscapers in Madison126 ranked
- Handymen in Madison56 ranked
- Kitchen remodelers in Madison104 ranked
- Bathroom remodelers in Madison98 ranked
- Flooring contractors in Madison87 ranked
- Tile installers in Madison39 ranked
- Drywall contractors in Madison10 ranked
- Concrete contractors in Madison76 ranked
- Fence contractors in Madison24 ranked
- Deck builders in Madison58 ranked
- Siding contractors in Madison125 ranked
- Window installers in Madison113 ranked
- Gutter installers in Madison42 ranked
- Insulation contractors in Madison29 ranked
- Solar installers in Madison21 ranked
- Garage door repair companies in Madison23 ranked
- Foundation repair companies in Madison27 ranked
- Tree services in Madison86 ranked
- Masonry contractors in Madison47 ranked
- Water damage restoration companies in Madison63 ranked
- Home builders in Madison114 ranked
- Demolition contractors in Madison19 ranked
- Window cleaners in Madison8 ranked
- Pressure washing companies in Madison24 ranked
- Pest control companies in Madison45 ranked
- Paving contractors in Madison43 ranked
- Auto glass repair shops in Madison19 ranked
- Excavating contractors in Madison29 ranked
- Pool builders in Madison21 ranked
- All contractors in Madison