61/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 1,707 Google reviews, the most in Calgary.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Calgary, AB (2026)
32 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Calgary: Mr. Rooter Plumbing of Calgary, CR Score 61/100; 4.8★ from 1,707 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): PRONTO PLUMBING AND DRAIN, posts 24/7 hours; ranked #2 of 32.
- 15
Most-reviewed: TerraBurst | Trenchless Sewer & Water, 148 Google reviews at 4.9★, the most of 32 ranked after Mr. Rooter Plumbing of Calgary; ranked #15.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
32 Calgary septic service companies are ranked here by CR Score, from ten published factors. 13 are open 24/7, 22 open Saturdays and 16 open Sundays, based on posted hours. The median Google rating is 4.8★ across 32 rated businesses.
Top 10 septic service companies in Calgary at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Mr. Rooter Plumbing of Calgary | 61 | 4.8★ (1,707) | Calgary | 24/7 | Overall |
| 2 | PRONTO PLUMBING AND DRAIN | 60 | 4.4★ (62) | Calgary | 24/7 | Emergencies |
| 3 | Fourwest Trenchless Sewer and Waterline | 59 | 4.4★ (27) | Calgary | 24/7 | — |
| 4 | Big Sky Water And Vac Services | 58 | 4.6★ (11) | Calgary | 24/7 | — |
| 5 | Ozzys Excavation Services | 58 | 5.0★ (9) | Calgary | 24/7 | — |
| 6 | T&C Septic Vac Truck Service- Locally Owned Rod Regehr | 58 | 5.0★ (7) | Calgary | 24/7 | — |
| 7 | Electric Eel Sewer & Drain Specialists | 58 | 4.9★ (50) | Calgary | 24/7 | — |
| 8 | Mr. Trenchless | Sewer, Water & CIPP Lining | 57 | 5.0★ (39) | Calgary | 24/7 | — |
| 9 | T&C Septic Vac Truck Services- Locally Owned Rod Regehr | 57 | 5.0★ (4) | Calgary | 24/7 | — |
| 10 | Water Dr. Inc. | 56 | 4.3★ (16) | Calgary | Sat · Sun | — |
The 32 best septic service companies in Calgary, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Calgary
60/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.4★ from 62 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Calgary
59/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.4★ 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 Calgary
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.6★ 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 Calgary
58/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Calgary
58/100CR ScoreRanked #6 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 Calgary
58/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 50 Google reviews, listed on Google as “Drainage service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Calgary
57/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 39 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Calgary
57/100CR ScoreRanked #9 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.
#10 Water Dr. Inc.
Based in Calgary
56/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.3★ 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 Calgary
56/100CR ScoreRanked #11 because of its Google rating and trade focus: 3.0★ from 6 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Calgary
56/100CR ScoreRanked #12 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.
#13 Eagle Septic
Based in Calgary
55/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Okotoks, 17 km away
55/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 30 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Calgary
55/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 148 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Calgary
54/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Calgary
54/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.6★ 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 Calgary
54/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.1★ from 38 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Okotoks, 15 km away
53/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Calgary
53/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Water damage restoration service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Calgary
53/100CR ScoreRanked #21 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 Airdrie, 27 km away
52/100CR ScoreRanked #22 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.
#23 Hydrovac Calgary
Based in Calgary
52/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.8★ 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 Cochrane, 30 km away
51/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.5★ 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 Cochrane, 31 km away
49/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.3★ from 43 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
All 32 septic service companies
#1 to #25 are shown in full above. Here are #26 to #32, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | 2 Sons Excavating Ltd. | 49 | 4.2★ (5) | 28 km |
| 27 | Cochrane Septic | 48 | 4.6★ (11) | 31 km |
| 28 | Alpine Water Works | 48 | 5.0★ (14) | 37 km |
| 29 | 4 Good Service Ltd. | 48 | 4.8★ (41) | 32 km |
| 30 | Fourwest Trenchless Sewer and Waterlines | 46 | 3.7★ (3) | 38 km |
| 31 | SCS Seasonal Construction Services Inc. | 43 | 5.0★ (8) | 36 km |
| 32 | Bear Excavating Ltd | 42 | 5.0★ (3) | 32 km |
Also serving Calgary
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 |
|---|---|---|
| Action Septic | 5.0★ (2) | In Calgary |
| Alberta Water Services | 3.0★ (2) | In Calgary |
| ClearView Services Ltd. | 4.5★ (3,195) | In Calgary |
| Empire Hydrovac Services inc | 5.0★ (15) | In Calgary |
| Flo Pros Drain Services Inc | 4.9★ (283) | In Calgary |
| Gosur Development | 4.8★ (19) | In Calgary |
| Hydrodig BC Interior | 5.0★ (2) | In Calgary |
| Infracon Calgary | 5.0★ (1) | In Calgary |
| James Electric Motor Services Ltd. | 4.5★ (114) | In Calgary |
| KOSTR Contracting Ltd. | 4.0★ (4) | In Calgary |
| Mountain Cleaners Canada | Cleaning Services Calgary | 4.9★ (46) | In Calgary |
| Oviatt Contracting | 3.3★ (14) | In Calgary |
| Plumbing Works Calgary | 5.0★ (1) | In Calgary |
| ROBINSON SUPPLY | B. A. Robinson Co. Ltd. | 4.5★ (52) | In Calgary |
| Rusty Pipe Mechanical Inc. | 4.7★ (126) | In Calgary |
| The Drain Doctor | 3.9★ (52) | In Calgary |
| Thuro Inc. | 4.7★ (101) | In Calgary |
| Topstep plumber Calgary | 5.0★ (60) | In Calgary |
| Waterstone Underground Solutions | 5.0★ (6) | In Calgary |
| YYC & Area Septic Services | 5.0★ (2) | In Calgary |
How we ranked Calgary septic service companies
We scored 32 Calgary 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 Calgary 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 Calgary: frequently asked questions
Who is the best septic service company in Calgary?
By CR Score, the highest-ranked septic service company in Calgary, AB is Mr. Rooter Plumbing of Calgary with a CR Score of 61/100. It has 4.8★ from 1,707 Google reviews. It is open 24/7. PRONTO PLUMBING AND DRAIN (#2) and Fourwest Trenchless Sewer and Waterline (#3) follow. We ranked 32 septic service companies on ten factors, last updated November 2, 2026.
How many septic service companies are there in Calgary?
ContractorsRanked ranks 32 septic service companies serving Calgary, AB. 20 of them are based in Calgary; 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 Calgary are open 24/7?
13 ranked septic service companies in Calgary post 24/7 hours. The highest-ranked are Mr. Rooter Plumbing of Calgary (#1), PRONTO PLUMBING AND DRAIN (#2) and Fourwest Trenchless Sewer and Waterline (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Calgary work on weekends?
22 of 32 ranked septic service companies post Saturday hours and 16 post Sunday hours. The highest-ranked open Saturdays are Mr. Rooter Plumbing of Calgary (#1), PRONTO PLUMBING AND DRAIN (#2) and Fourwest Trenchless Sewer and Waterline (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Calgary septic service companies have?
The median Google rating among 32 rated septic service companies in Calgary is 4.8★, with a median of 12 reviews. Mr. Rooter Plumbing of Calgary has the most, 1,707 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 Calgary count in this ranking?
Yes, if they are within 40 km of the Calgary 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 Calgary
- November 2026: CR Scores recalculated for 32 septic service companies serving Calgary.
- November 2026: 1 duplicate listing merged.
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