62/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 891 Google reviews, the most in Windsor Locks.
Best Septic Service Companies in Windsor Locks, CT (2026)
82 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Windsor Locks: Septicology LLC, CR Score 62/100; 4.9★ from 891 Google reviews.
- 2
Best for emergencies (open 24/7): The Christopher Bryant Co. LLC, posts 24/7 hours; ranked #2 of 82.
- 3
Most-reviewed: Skips Wastewater Services, 804 Google reviews at 4.9★, the most of 82 ranked after Septicology LLC; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
82 Windsor Locks septic service companies are ranked here by CR Score, from ten published factors. 22 are open 24/7, 46 open Saturdays and 29 open Sundays, based on posted hours. The median Google rating is 4.8★ across 82 rated businesses.
Top 10 septic service companies in Windsor Locks at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Septicology LLC | 62 | 4.9★ (891) | Hartford, 5 mi away | — | Overall |
| 2 | The Christopher Bryant Co. LLC | 61 | 4.9★ (59) | Hartford, 7 mi away | 24/7 | Emergencies |
| 3 | Skips Wastewater Services | 61 | 4.9★ (804) | Ellington, 9 mi away | — | Most reviews |
| 4 | Drainage Experts LLC | 60 | 5.0★ (367) | Ellington, 8 mi away | — | — |
| 5 | Fletcher Sewer & Drain | 59 | 4.7★ (200) | Ludlow, 20 mi away | 24/7 | — |
| 6 | Connecticut Valley Septic Services | 59 | 4.7★ (17) | Enfield, 4 mi away | 24/7 | — |
| 7 | Connecticut Septic LLC | 58 | 5.0★ (48) | Newington, 19 mi away | 24/7 | — |
| 8 | ADB Construction & Septic Corp. | 57 | 4.8★ (99) | Manchester, 11 mi away | 24/7 | — |
| 9 | Modern Septic Co | 57 | 5.0★ (72) | West Torrington, 21 mi away | Sat · Sun | — |
| 10 | Sage Sewer & Septic LLC. | 56 | 5.0★ (5) | West Hartford, 9 mi away | 24/7 | — |
The 82 best septic service companies in Windsor Locks, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Hartford, 7 mi away
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 59 Google reviews, listed on Google as “Septic system service”.
Based in Ellington, 9 mi away
61/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 804 Google reviews, listed on Google as “Septic system service”.
Based in Ellington, 8 mi away
60/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 367 Google reviews, listed on Google as “Septic system service”.
Based in Ludlow, 20 mi away
59/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.7★ from 200 Google reviews, listed on Google as “Septic system service”.
Based in Enfield, 4 mi away
59/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.7★ from 17 Google reviews, listed on Google as “Septic system service”.
Based in Newington, 19 mi away
58/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 48 Google reviews, listed on Google as “Septic system service”.
Based in Manchester, 11 mi away
57/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.8★ from 99 Google reviews, listed on Google as “Plumber”.
Based in West Torrington, 21 mi away
57/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 72 Google reviews, listed on Google as “Septic system service”.
Based in West Hartford, 9 mi away
56/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Septic system service”.
Based in Simsbury Center, 8 mi away
56/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.8★ from 88 Google reviews, listed on Google as “Plumber”.
#12 B&B Septic LLC
Based in West Torrington, 21 mi away
56/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.8★ from 26 Google reviews, listed on Google as “Septic system service”.
Based in Westfield, 18 mi away
56/100CR ScoreRanked #13 because of its Google rating and review volume: 4.7★ from 703 Google reviews.
Based in Westfield, 22 mi away
56/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 138 Google reviews, listed on Google as “Septic system service”.
Based in Ludlow, 18 mi away
55/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 175 Google reviews, listed on Google as “Septic system service”.
Based in Glastonbury, 14 mi away
55/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.8★ from 14 Google reviews, listed on Google as “Septic system service”.
Based in Manchester, 11 mi away
55/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.6★ from 34 Google reviews, listed on Google as “Plumber”.
Based in Hartford, 14 mi away
55/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Septic system service”.
Based in Hampden, 13 mi away
54/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.4★ from 12 Google reviews, listed on Google as “Septic system service”.
Based in East Longmeadow, 14 mi away
54/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Septic system service”.
Based in Tolland, 19 mi away
54/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.7★ from 69 Google reviews, listed on Google as “Plumber”.
Based in Southwick, 14 mi away
54/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.7★ from 24 Google reviews, listed on Google as “Septic system service”.
Based in Agawam, 17 mi away
54/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Septic system service”.
Based in West Hartford, 15 mi away
54/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.7★ from 20 Google reviews, listed on Google as “Septic system service”.
Based in Springfield, 12 mi away
53/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.4★ from 22 Google reviews, listed on Google as “Plumber”.
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 82 ranked septic service companies here; the rest are on their profiles.
Also serving Windsor Locks
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 |
|---|---|---|
| ABC Drain & Septic Tank Service | 5.0★ (1) | 2 mi |
| ABC Sewer & Drain Cleaning Services | 5.0★ (1) | 11 mi |
| Advanced Sewer & Drain Inc | 5.0★ (1) | 16 mi |
| Always Reliable Sewer And Drain | 5.0★ (1) | 19 mi |
| Bristol Septic Tank & Sewer | 5.0★ (1) | 24 mi |
| C & S Septic Services | 1.0★ (1) | 12 mi |
| CT Septic & Land Repair | 5.0★ (1) | 11 mi |
| Delfino Septic Tank Services | 5.0★ (2) | 24 mi |
| Eastern Environmental Septic | 4.0★ (1) | 21 mi |
| Gale Construction Inc | 2.0★ (1) | 7 mi |
| H & M Septic Pumping Corporation | 5.0★ (1) | 14 mi |
| MBR2 Inc | 5.0★ (1) | 13 mi |
| North East Septic & Excavation | 5.0★ (1) | 24 mi |
| Raymond Road Sewer & Drain | 4.0★ (1) | 13 mi |
| Simsbury Septic | 5.0★ (1) | 9 mi |
| United Rentals - Reliable Onsite Services | 5.0★ (2) | 16 mi |
| United Rentals - Reliable Onsite Services | 5.0★ (1) | 15 mi |
| United Rentals - Reliable Onsite Services | 1.0★ (1) | 16 mi |
| United Site Services | 1.0★ (2) | 23 mi |
| Woloshchuk Enterprises Inc | 5.0★ (1) | 19 mi |
How we ranked Windsor Locks septic service companies
We scored 82 Windsor Locks 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 Windsor Locks 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 Windsor Locks: frequently asked questions
Who is the best septic service company in Windsor Locks?
By CR Score, the highest-ranked septic service company in Windsor Locks, CT is Septicology LLC with a CR Score of 62/100. It has 4.9★ from 891 Google reviews. The Christopher Bryant Co. LLC (#2) and Skips Wastewater Services (#3) follow. We ranked 82 septic service companies on ten factors, last updated November 2, 2026.
How many septic service companies are there in Windsor Locks?
ContractorsRanked ranks 82 septic service companies serving Windsor Locks, CT. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Windsor Locks are open 24/7?
22 ranked septic service companies in Windsor Locks post 24/7 hours. The highest-ranked are The Christopher Bryant Co. LLC (#2), Fletcher Sewer & Drain (#5) and Connecticut Valley Septic Services (#6). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Windsor Locks work on weekends?
46 of 82 ranked septic service companies post Saturday hours and 29 post Sunday hours. The highest-ranked open Saturdays are The Christopher Bryant Co. LLC (#2), Fletcher Sewer & Drain (#5) and Connecticut Valley Septic Services (#6). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Windsor Locks septic service companies have?
The median Google rating among 82 rated septic service companies in Windsor Locks is 4.8★, with a median of 16 reviews. Septicology LLC has the most, 891 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 Windsor Locks count in this ranking?
Yes, if they are within 25 mi of the Windsor Locks 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 Windsor Locks
- November 2026: CR Scores recalculated for 82 septic service companies serving Windsor Locks.
- November 2026: 1 duplicate listing merged.
More septic service companies and Windsor Locks pages
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