58/100CR Score
Ranked #1 because of its Google rating and review volume: 5.0★ from 149 Google reviews, the most in Watertown.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Watertown, WI (2026)
22 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Watertown: C&C Pumps, CR Score 58/100; 5.0★ from 149 Google reviews; open 24/7.
- 10
Best for emergencies (open 24/7): Emergency Disaster Recovery INC ᵀᴹ, posts 24/7 hours; ranked #10 of 22.
- 2
Most-reviewed: Aero-Stream LLC, 108 Google reviews at 4.8★, the most of 22 ranked after C&C Pumps; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
22 Watertown septic service companies are ranked here by CR Score, from ten published factors. 2 are open 24/7, 3 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 4.9★ across 22 rated businesses.
Top 10 septic service companies in Watertown at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | C&C Pumps | 58 | 5.0★ (149) | Hartford, 18 mi away | 24/7 | Overall |
| 2 | Aero-Stream LLC | 57 | 4.8★ (108) | Hartland, 20 mi away | — | Most reviews |
| 3 | Rdr Septic & Well Services LLC | 56 | 4.4★ (19) | Watertown | — | — |
| 4 | Herr Septic & Sewer | 56 | 4.9★ (35) | Oconomowoc, 20 mi away | — | — |
| 5 | Eckmayer Inc. | 56 | 4.3★ (92) | Madison, 14 mi away | — | — |
| 6 | Country Water Well and Septic LLC | 54 | 5.0★ (21) | Madison, 14 mi away | — | — |
| 7 | Area Septic Installation | 54 | 4.9★ (27) | Oconomowoc, 18 mi away | — | — |
| 8 | Leverenz Septic Service, L.L.C. | 53 | 5.0★ (16) | Oconomowoc, 14 mi away | — | — |
| 9 | Schulteis Pumping LLC | 53 | 4.8★ (41) | Slinger, 24 mi away | — | — |
| 10 | Emergency Disaster Recovery INC ᵀᴹ | 52 | 4.8★ (33) | Hartland, 20 mi away | 24/7 | Emergencies |
The 22 best septic service companies in Watertown, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Hartland, 20 mi away
57/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 108 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Watertown
56/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.4★ 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 Oconomowoc, 20 mi away
56/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 35 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, 14 mi away
56/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.3★ from 92 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Madison, 14 mi away
54/100CR ScoreRanked #6 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 Oconomowoc, 18 mi away
54/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 27 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oconomowoc, 14 mi away
53/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Slinger, 24 mi away
53/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.8★ from 41 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hartland, 20 mi away
52/100CR ScoreRanked #10 because of its Google rating and review volume: 4.8★ from 33 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hartford, 18 mi away
52/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 8 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waukesha, 24 mi away
51/100CR ScoreRanked #12 because of its Google rating and review volume: 4.9★ from 65 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oconomowoc, 20 mi away
51/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.2★ from 17 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oconomowoc, 20 mi away
51/100CR ScoreRanked #14 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 Richfield, 25 mi away
50/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.8★ from 16 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waukesha, 25 mi away
50/100CR ScoreRanked #16 because of its Google rating and review volume: 4.9★ from 58 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Madison, 11 mi away
50/100CR ScoreRanked #17 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 Waukesha, 19 mi away
50/100CR ScoreRanked #18 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.
Based in Waukesha, 23 mi away
50/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ 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 Madison, 16 mi away
50/100CR ScoreRanked #20 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 Hartland, 20 mi away
47/100CR ScoreRanked #21 because of its Google rating and review volume: 4.2★ from 82 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Beaver Dam, 18 mi away
45/100CR ScoreRanked #22 because of its Google rating and trade focus: 3.0★ from 5 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Also serving Watertown
4 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 |
|---|---|---|
| Environment Specialist | In Watertown | |
| Hoefler Septic Service | 5.0★ (1) | In Watertown |
| Sunset Septic Services | 5.0★ (1) | 22 mi |
| Townsend Septic Inspections, LLC | 5.0★ (1) | In Watertown |
How we ranked Watertown septic service companies
We scored 22 Watertown 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 Watertown 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 Watertown: frequently asked questions
Who is the best septic service company in Watertown?
By CR Score, the highest-ranked septic service company in Watertown, WI is C&C Pumps with a CR Score of 58/100. It has 5.0★ from 149 Google reviews. It is open 24/7. Aero-Stream LLC (#2) and Rdr Septic & Well Services LLC (#3) follow. We ranked 22 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Watertown?
ContractorsRanked ranks 22 septic service companies serving Watertown, WI. 1 of them is based in Watertown; the rest serve it from nearby towns. Another 4 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Watertown are open 24/7?
2 ranked septic service companies in Watertown post 24/7 hours. The highest-ranked are C&C Pumps (#1) and Emergency Disaster Recovery INC ᵀᴹ (#10). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Watertown work on weekends?
3 of 22 ranked septic service companies post Saturday hours and 2 post Sunday hours. The highest-ranked open Saturdays are C&C Pumps (#1), Emergency Disaster Recovery INC ᵀᴹ (#10) and Fuiten's Septic Services (#11). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Watertown septic service companies have?
The median Google rating among 22 rated septic service companies in Watertown is 4.9★, with a median of 24 reviews. C&C Pumps has the most, 149 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 Watertown count in this ranking?
Yes, if they are within 25 mi of the Watertown 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 Watertown
- November 2026: CR Scores recalculated for 22 septic service companies serving Watertown.
More septic service companies and Watertown pages
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