Ranked #1 in Chatham
Based in Chatham
65/100CR Score
Ranked #1 because of its Google rating and review volume: 4.7★ from 33 Google reviews, the most in Chatham.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Chatham, ON (2026)
8 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Chatham: Dover Sanitation (Septic Tank Cleaning Services Chatham-Kent), CR Score 65/100; 4.7★ from 33 Google reviews; open 7 days a week.
- 5
Best for emergencies (open 24/7): DOYLE SERVICES INC. : Excavating, Sewers, Hydrovacing & Flushing, posts 24/7 hours; ranked #5 of 8.
- 2
Most-reviewed: Legue Septic Services, 24 Google reviews at 4.8★, the most of 8 ranked after Dover Sanitation (Septic Tank Cleaning Services Chatham-Kent); ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
8 Chatham septic service companies are ranked here by CR Score, from ten published factors. 1 is open 24/7, 2 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 4.7★ across 8 rated businesses.
Top 8 septic service companies in Chatham at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Dover Sanitation (Septic Tank Cleaning Services Chatham-Kent) | 65 | 4.7★ (33) | Chatham | Sat · Sun | Overall |
| 2 | Legue Septic Services | 64 | 4.8★ (24) | Chatham | — | Most reviews |
| 3 | Triple S Sanitation Limited | 60 | 4.6★ (20) | Chatham | — | — |
| 4 | JP Carey Sewer and Drain Cleaning | 59 | 4.7★ (23) | Chatham | — | — |
| 5 | DOYLE SERVICES INC. : Excavating, Sewers, Hydrovacing & Flushing | 58 | 5.0★ (7) | Chatham | 24/7 | Emergencies |
| 6 | Wolseley Waterworks | 56 | 4.6★ (5) | Chatham | — | — |
| 7 | Panic Sewer Cleaning Services | 55 | 4.4★ (14) | Chatham | — | — |
| 8 | Hernandez Sanitation - Pipe and Drain Experts (Formally: Orbit Septic) | 51 | 3.7★ (3) | Amherstburg, 19 km away | — | — |
The 8 best septic service companies in Chatham, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Chatham
64/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 24 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Chatham
60/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.6★ 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 Chatham
59/100CR ScoreRanked #4 because of its Google rating and review volume: 4.7★ from 23 Google reviews.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Chatham
58/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chatham
56/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.6★ 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 Chatham
55/100CR ScoreRanked #7 because of its Google rating and review volume: 4.4★ from 14 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Amherstburg, 19 km away
51/100CR ScoreRanked #8 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
How we ranked Chatham septic service companies
We scored 8 Chatham 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 Chatham 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 Chatham: frequently asked questions
Who is the best septic service company in Chatham?
By CR Score, the highest-ranked septic service company in Chatham, ON is Dover Sanitation (Septic Tank Cleaning Services Chatham-Kent) with a CR Score of 65/100. It has 4.7★ from 33 Google reviews. It is open 7 days a week. Legue Septic Services (#2) and Triple S Sanitation Limited (#3) follow. We ranked 8 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Chatham?
ContractorsRanked ranks 8 septic service companies serving Chatham, ON. 7 of them are based in Chatham; the rest serve it from nearby towns. Counts are as of November 2026.
Which septic service companies in Chatham are open 24/7?
1 ranked septic service company in Chatham posts 24/7 hours. The highest-ranked is DOYLE SERVICES INC. : Excavating, Sewers, Hydrovacing & Flushing (#5). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Chatham work on weekends?
2 of 8 ranked septic service companies post Saturday hours and 2 post Sunday hours. The highest-ranked open Saturdays are Dover Sanitation (Septic Tank Cleaning Services Chatham-Kent) (#1) and DOYLE SERVICES INC. : Excavating, Sewers, Hydrovacing & Flushing (#5). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Chatham septic service companies have?
The median Google rating among 8 rated septic service companies in Chatham is 4.7★, with a median of 17 reviews. Dover Sanitation (Septic Tank Cleaning Services Chatham-Kent) has the most, 33 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 Chatham count in this ranking?
Yes, if they are within 40 km of the Chatham city centre, 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 Chatham
- November 2026: CR Scores recalculated for 8 septic service companies serving Chatham.
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