64/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Manitowoc, WI (2026)
7 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Manitowoc: Maritime Liquid Waste Transportation, CR Score 64/100; 5.0★ from 7 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): Dedalis Services Plus LLC, posts 24/7 hours; ranked #3 of 7.
- 5
Most-reviewed: Joski Sewer Services, Inc., 25 Google reviews at 5.0★, the most of 7 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
7 Manitowoc 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 5.0★ across 7 rated businesses.
Top 7 septic service companies in Manitowoc at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Maritime Liquid Waste Transportation | 64 | 5.0★ (7) | Manitowoc | 24/7 | Overall |
| 2 | Todd Kons Trenching, Inc. | 61 | 4.7★ (13) | Germantown, 8 mi away | — | — |
| 3 | Dedalis Services Plus LLC | 60 | 4.7★ (14) | Green Bay, 23 mi away | 24/7 | Emergencies |
| 4 | Pelishek Sanitation | 57 | 4.8★ (13) | Green Bay, 22 mi away | — | — |
| 5 | Joski Sewer Services, Inc. | 56 | 5.0★ (25) | Allouez, 15 mi away | — | Most reviews |
| 6 | Kiekhaefer Septic Services | 53 | 5.0★ (3) | Green Bay, 21 mi away | — | — |
| 7 | Harper Pumping | 52 | 5.0★ (3) | Sheboygan, 24 mi away | — | — |
The 7 best septic service companies in Manitowoc, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Germantown, 8 mi away
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.7★ from 13 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Green Bay, 23 mi away
60/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.7★ from 14 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Green Bay, 22 mi away
57/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 13 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Allouez, 15 mi away
56/100CR ScoreRanked #5 because of its Google rating and review volume: 5.0★ from 25 Google reviews, the most in Manitowoc.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Green Bay, 21 mi away
53/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Sheboygan, 24 mi away
52/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
How we ranked Manitowoc septic service companies
We scored 7 Manitowoc 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 Manitowoc 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 Manitowoc: frequently asked questions
Who is the best septic service company in Manitowoc?
By CR Score, the highest-ranked septic service company in Manitowoc, WI is Maritime Liquid Waste Transportation with a CR Score of 64/100. It has 5.0★ from 7 Google reviews. It is open 24/7. Todd Kons Trenching, Inc. (#2) and Dedalis Services Plus LLC (#3) follow. We ranked 7 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Manitowoc?
ContractorsRanked ranks 7 septic service companies serving Manitowoc, WI. 1 of them is based in Manitowoc; the rest serve it from nearby towns. Counts are as of November 2026.
Which septic service companies in Manitowoc are open 24/7?
2 ranked septic service companies in Manitowoc post 24/7 hours. The highest-ranked are Maritime Liquid Waste Transportation (#1) and Dedalis Services Plus LLC (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Manitowoc work on weekends?
2 of 7 ranked septic service companies post Saturday hours and 2 post Sunday hours. The highest-ranked open Saturdays are Maritime Liquid Waste Transportation (#1) and Dedalis Services Plus LLC (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Manitowoc septic service companies have?
The median Google rating among 7 rated septic service companies in Manitowoc is 5.0★, with a median of 13 reviews. Joski Sewer Services, Inc. has the most, 25 reviews, and ranks #5. 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 Manitowoc count in this ranking?
Yes, if they are within 25 mi of the Manitowoc 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 Manitowoc
- November 2026: CR Scores recalculated for 7 septic service companies serving Manitowoc.
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