Ranked #1 in Willimantic
Based in East Haddam, 11 mi away
58/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 220 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Willimantic, CT (2026)
70 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Willimantic: All Things Sewer and Drain Care (Drain Clog Connecticut)., CR Score 58/100; 4.9★ from 220 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): Parent Sanitation, a Wind River Company, posts 24/7 hours; ranked #3 of 70.
- 11
Most-reviewed: Drainworks Plumbing & Septic LLC, 1,362 Google reviews at 4.8★, the most of 70 ranked; ranked #11.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
70 Willimantic septic service companies are ranked here by CR Score, from ten published factors. 17 are open 24/7, 33 open Saturdays and 24 open Sundays, based on posted hours. The median Google rating is 4.8★ across 70 rated businesses.
Top 10 septic service companies in Willimantic at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | All Things Sewer and Drain Care (Drain Clog Connecticut). | 58 | 4.9★ (220) | East Haddam, 11 mi away | 24/7 | Overall |
| 2 | Skips Wastewater Services | 58 | 4.9★ (804) | Ellington, 18 mi away | — | — |
| 3 | Parent Sanitation, a Wind River Company | 57 | 4.8★ (85) | Putnam, 23 mi away | 24/7 | Emergencies |
| 4 | Septicology LLC | 57 | 4.9★ (891) | Hartford, 22 mi away | — | — |
| 5 | HAWKINS MAINTENANCE LLC. | 57 | 5.0★ (40) | Plainfield, 21 mi away | 24/7 | — |
| 6 | Septic System Solutions Higganum- Vincent Madore | 57 | 4.9★ (66) | Meriden, 25 mi away | 24/7 | — |
| 7 | 365 Septic, LLC | 56 | 5.0★ (32) | Windham, 14 mi away | Sat · Sun | — |
| 8 | New London County Septic & Excavation | 56 | 4.8★ (50) | Ledyard, 23 mi away | 24/7 | — |
| 9 | Septic Inspections By Earthworm Septic Services | 56 | 4.8★ (45) | Montville Center, 16 mi away | 24/7 | — |
| 10 | Drainage Experts LLC | 56 | 5.0★ (367) | Ellington, 20 mi away | — | — |
The 70 best septic service companies in Willimantic, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Ellington, 18 mi away
58/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 804 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Putnam, 23 mi away
57/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.8★ from 85 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hartford, 22 mi away
57/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 891 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Plainfield, 21 mi away
57/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Meriden, 25 mi away
57/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 66 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Windham, 14 mi away
56/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ledyard, 23 mi away
56/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.8★ from 50 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Montville Center, 16 mi away
56/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.8★ from 45 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ellington, 20 mi away
56/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 367 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in East Haddam, 12 mi away
56/100CR ScoreRanked #11 because of its Google rating and review volume: 4.8★ from 1,362 Google reviews, the most in Willimantic.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mansfield City, 7 mi away
56/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 54 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Norwich, 17 mi away
56/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.8★ from 39 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in East Haddam, 9 mi away
55/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.7★ from 46 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Storrs, 3 mi away
55/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#16 Saviour Septic
Based in Norwich, 13 mi away
55/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.8★ from 123 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manchester, 17 mi away
55/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.8★ from 99 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Tolland, 13 mi away
55/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.7★ from 69 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mansfield City, 13 mi away
55/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ 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 Glastonbury, 6 mi away
54/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ 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 New London, 19 mi away
54/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 20 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Killingly Center, 16 mi away
54/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in West Hartford, 18 mi away
54/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manchester, 10 mi away
54/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 35 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Glastonbury, 18 mi away
54/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.8★ from 14 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Septic service companies ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 70 ranked septic service companies here; the rest are on their profiles.
Also serving Willimantic
20 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 |
|---|---|---|
| American Rooter | 5 mi | |
| American Rooter | 8 mi | |
| American Rooter | 10 mi | |
| American Rooter | 11 mi | |
| American Rooter | 15 mi | |
| Audet Septic Services | 5.0★ (1) | 23 mi |
| CMT Construction and Excavation | 4.5★ (2) | 18 mi |
| CT Septic & Land Repair | 5.0★ (1) | 22 mi |
| Cunningham Construction | 5.0★ (2) | 18 mi |
| D Kyle Stearns Contracting Inc | 8 mi | |
| Eastern Environmental Septic | 4.0★ (1) | 6 mi |
| Gale Construction Inc | 2.0★ (1) | 21 mi |
| Hilltop Contractors, LLC | 5.0★ (2) | 17 mi |
| Jonathan P. Arpin, LLC | 5.0★ (1) | 7 mi |
| P&H Septic Service | 5.0★ (2) | 18 mi |
| SAVIOUR SEPTIC, LLC | 5.0★ (1) | 11 mi |
| Slims & Berthiaume Sewer Service Inc | 5.0★ (2) | 19 mi |
| Stula Enterprises LLC | 5.0★ (1) | 21 mi |
| United Site Services | 1.0★ (2) | 3 mi |
| Webster Septic Tank Service | 5.0★ (1) | 19 mi |
How we ranked Willimantic septic service companies
We scored 70 Willimantic 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 2, 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 Willimantic 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 Willimantic: frequently asked questions
Who is the best septic service company in Willimantic?
By CR Score, the highest-ranked septic service company in Willimantic, CT is All Things Sewer and Drain Care (Drain Clog Connecticut). with a CR Score of 58/100. It has 4.9★ from 220 Google reviews. It is open 24/7. Skips Wastewater Services (#2) and Parent Sanitation, a Wind River Company (#3) follow. We ranked 70 septic service companies on ten factors, last updated November 2, 2026.
How many septic service companies are there in Willimantic?
ContractorsRanked ranks 70 septic service companies serving Willimantic, CT. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Willimantic are open 24/7?
17 ranked septic service companies in Willimantic post 24/7 hours. The highest-ranked are All Things Sewer and Drain Care (Drain Clog Connecticut). (#1), Parent Sanitation, a Wind River Company (#3) and HAWKINS MAINTENANCE LLC. (#5). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Willimantic work on weekends?
33 of 70 ranked septic service companies post Saturday hours and 24 post Sunday hours. The highest-ranked open Saturdays are All Things Sewer and Drain Care (Drain Clog Connecticut). (#1), Parent Sanitation, a Wind River Company (#3) and HAWKINS MAINTENANCE LLC. (#5). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Willimantic septic service companies have?
The median Google rating among 70 rated septic service companies in Willimantic is 4.8★, with a median of 21 reviews. Drainworks Plumbing & Septic LLC has the most, 1,362 reviews, and ranks #11. 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 Willimantic count in this ranking?
Yes, if they are within 25 mi of the Willimantic 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 Willimantic
- November 2026: CR Scores recalculated for 70 septic service companies serving Willimantic.
More septic service companies and Willimantic pages
Septic service companies near Willimantic
- Septic service companies in Windham, CT65 ranked
- Septic service companies in Mansfield City, CT70 ranked
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- Septic service companies in Ellington, CT85 ranked
- Septic service companies in Stafford, CT70 ranked
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