60/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.6★ from 96 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 Waterloo, ON (2026)
35 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Waterloo: Weber Environmental Services, CR Score 60/100; 4.6★ from 96 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Hy-Pro Plumbing & Drain Cleaning of Kitchener & Waterloo, posts 24/7 hours; ranked #2 of 35.
- 3
Most-reviewed: Mr. Rooter Plumbing Of Kitchener ON, 878 Google reviews at 4.7★, the most of 35 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
35 Waterloo septic service companies are ranked here by CR Score, from ten published factors. 12 are open 24/7, 14 open Saturdays and 12 open Sundays, based on posted hours. The median Google rating is 4.8★ across 35 rated businesses.
Top 10 septic service companies in Waterloo at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Weber Environmental Services | 60 | 4.6★ (96) | Kitchener, 14 km away | 24/7 | Overall |
| 2 | Hy-Pro Plumbing & Drain Cleaning of Kitchener & Waterloo | 60 | 4.8★ (457) | Kitchener, 3 km away | 24/7 | Emergencies |
| 3 | Mr. Rooter Plumbing Of Kitchener ON | 60 | 4.7★ (878) | Kitchener, 8 km away | 24/7 | Most reviews |
| 4 | Gibson Septic Service | 59 | 4.9★ (43) | Norfolk County, 20 km away | 24/7 | — |
| 5 | Mr. Rooter Plumbing Of Cambridge, ON | 58 | 4.8★ (748) | Cambridge, 20 km away | 24/7 | — |
| 6 | Hy-Pro Plumbing & Drain Cleaning of Guelph | 56 | 4.7★ (568) | Guelph, 23 km away | 24/7 | — |
| 7 | Hy-Pro Plumbing & Drain Cleaning of Cambridge | 56 | 4.8★ (368) | Cambridge, 25 km away | 24/7 | — |
| 8 | Bio-Bob's Septic Services | 56 | 4.9★ (64) | Kitchener, 12 km away | — | — |
| 9 | Richard Schaefer & Son Excavating & Septic Installation | 54 | 5.0★ (15) | Kitchener, 4 km away | — | — |
| 10 | Mr. Rooter Plumbing of Guelph | 54 | 4.7★ (170) | Guelph, 25 km away | 24/7 | — |
The 35 best septic service companies in Waterloo, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Kitchener, 3 km away
60/100CR ScoreRanked #2 because of its Google rating and review volume: 4.8★ from 457 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kitchener, 8 km away
60/100CR ScoreRanked #3 because of its Google rating and review volume: 4.7★ from 878 Google reviews, the most in Waterloo.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Norfolk County, 20 km away
59/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 43 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cambridge, 20 km away
58/100CR ScoreRanked #5 because of its Google rating and review volume: 4.8★ from 748 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Guelph, 23 km away
56/100CR ScoreRanked #6 because of its Google rating and review volume: 4.7★ from 568 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cambridge, 25 km away
56/100CR ScoreRanked #7 because of its Google rating and review volume: 4.8★ from 368 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kitchener, 12 km away
56/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 64 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kitchener, 4 km away
54/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Guelph, 25 km away
54/100CR ScoreRanked #10 because of its Google rating and review volume: 4.7★ from 170 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
#11 BPConstruct
Based in Waterloo
54/100CR ScoreRanked #11 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.
#12 Campbell Septic
Based in Cambridge, 18 km away
54/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 17 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in New Hamburg, 19 km away
53/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.6★ from 44 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in North Perth, 38 km away
53/100CR ScoreRanked #14 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 Kitchener, 2 km away
52/100CR ScoreRanked #15 because of its Google rating and availability: 5.0★ from 9 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Paris, 31 km away
52/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.5★ 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 Kitchener, 2 km away
52/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Guelph, 19 km away
51/100CR ScoreRanked #18 because of its Google rating and trade focus: 3.9★ from 102 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Guelph, 26 km away
51/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Waterloo
51/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.8★ from 19 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Guelph, 22 km away
51/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.4★ 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 Guelph, 24 km away
51/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.7★ 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 Hamilton, 37 km away
50/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
#24 CP Septic Repair
Based in Cambridge, 16 km away
50/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Norfolk County, 31 km away
50/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.7★ from 16 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
All 35 septic service companies
#1 to #25 are shown in full above. Here are #26 to #35, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Gerber Morris Excavating | 50 | 5.0★ (6) | 35 km |
| 27 | Guelph Hydrovac | 50 | 5.0★ (6) | 22 km |
| 28 | Pelican Excavating | 49 | 4.4★ (13) | 29 km |
| 29 | Oxford excavation inc | 48 | 4.5★ (42) | 39 km |
| 30 | Regional Sewer & Watermain Ltd | 46 | 3.0★ (10) | 15 km |
| 31 | Hunter Plumbing, Heating, & Excavating Inc. | 45 | 4.5★ (93) | 34 km |
| 32 | Network Sewer & Watermain | 44 | 3.0★ (4) | 22 km |
| 33 | Total Excavation Inc | 43 | 4.7★ (14) | 33 km |
| 34 | Gerth Excavating | 43 | 5.0★ (3) | 21 km |
| 35 | SHS Concepts Inc | 42 | 5.0★ (7) | 38 km |
Also serving Waterloo
20 more septic service companies within 40 km that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Af Terpstra Limited | 5.0★ (1) | 30 km |
| Bergmann North America Inc. (BNA) | 5.0★ (2) | 8 km |
| C O Construction | 20 km | |
| Caledon Excavation and Grading | 5.0★ (1) | 26 km |
| CDS Septic Services Ltd. | 5.0★ (1) | 34 km |
| Groves Marine | 3 km | |
| Guelph Septic Repair & Installation | 5.0★ (1) | 24 km |
| Howard Cook Drainage Ltd | 1.0★ (1) | 39 km |
| Huber Excavating & Septic Installation | 5.0★ (2) | 13 km |
| Hutchy's Custom Excavating Inc. | In Waterloo | |
| LP Landscape Plus | 4.7★ (148) | In Waterloo |
| Mahoney Excavating and Grading | 5.0★ (1) | 37 km |
| Mr. Rooter Plumbing of Breslau ON | 5.0★ (1) | In Waterloo |
| One Source Mechanical Inc | In Waterloo | |
| Rooter-Man Plumbing & Waterproofing Brantford | 5.0★ (2) | 37 km |
| Terra Novus Excavating | 5.0★ (2) | 16 km |
| The Septic Guy | 13 km | |
| Underground Contractors | 5.0★ (2) | 19 km |
| Weber Septic Service Limited | 11 km | |
| Wilton Waste Disposal | 16 km |
How we ranked Waterloo septic service companies
We scored 35 Waterloo 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 Waterloo 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 Waterloo: frequently asked questions
Who is the best septic service company in Waterloo?
By CR Score, the highest-ranked septic service company in Waterloo, ON is Weber Environmental Services with a CR Score of 60/100. It has 4.6★ from 96 Google reviews. It is open 24/7. Hy-Pro Plumbing & Drain Cleaning of Kitchener & Waterloo (#2) and Mr. Rooter Plumbing Of Kitchener ON (#3) follow. We ranked 35 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Waterloo?
ContractorsRanked ranks 35 septic service companies serving Waterloo, ON. 2 of them are based in Waterloo; the rest serve it from nearby towns. Another 20 within 40 km are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Waterloo are open 24/7?
12 ranked septic service companies in Waterloo post 24/7 hours. The highest-ranked are Weber Environmental Services (#1), Hy-Pro Plumbing & Drain Cleaning of Kitchener & Waterloo (#2) and Mr. Rooter Plumbing Of Kitchener ON (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Waterloo work on weekends?
14 of 35 ranked septic service companies post Saturday hours and 12 post Sunday hours. The highest-ranked open Saturdays are Weber Environmental Services (#1), Hy-Pro Plumbing & Drain Cleaning of Kitchener & Waterloo (#2) and Mr. Rooter Plumbing Of Kitchener ON (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Waterloo septic service companies have?
The median Google rating among 35 rated septic service companies in Waterloo is 4.8★, with a median of 16 reviews. Mr. Rooter Plumbing Of Kitchener ON has the most, 878 reviews, and ranks #3. 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 Waterloo count in this ranking?
Yes, if they are within 40 km of the Waterloo 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 Waterloo
- November 2026: CR Scores recalculated for 35 septic service companies serving Waterloo.
More septic service companies and Waterloo pages
Septic service companies near Waterloo
- Septic service companies in Kitchener, ON40 ranked
- Septic service companies in New Hamburg, ON32 ranked
- Septic service companies in Cambridge, ON59 ranked
- Septic service companies in Guelph, ON41 ranked
- Septic service companies in Paris, ON57 ranked
- Septic service companies in Stratford, ON17 ranked
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- Septic service companies in Brantford, ON57 ranked
- Septic service companies in North Perth, ON9 ranked
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