58/100CR Score
Ranked #1 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.
Best Septic Service Companies in Okotoks, AB (2026)
25 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Okotoks: Grayline Contracting Ltd., CR Score 58/100; 4.9★ from 30 Google reviews; open Saturdays until 1 PM.
- 3
Best for emergencies (open 24/7): Mr. Rooter Plumbing of Calgary, posts 24/7 hours; ranked #3 of 25.
- 3
Most-reviewed: Mr. Rooter Plumbing of Calgary, 1,707 Google reviews at 4.8★, the most of 25 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
25 Okotoks septic service companies are ranked here by CR Score, from ten published factors. 10 are open 24/7, 16 open Saturdays and 13 open Sundays, based on posted hours. The median Google rating is 4.9★ across 25 rated businesses.
Top 10 septic service companies in Okotoks at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Grayline Contracting Ltd. | 58 | 4.9★ (30) | Okotoks | Sat · Evenings | Overall |
| 2 | SOILWORX Septic System Design | 58 | 4.9★ (83) | Okotoks | — | — |
| 3 | Mr. Rooter Plumbing of Calgary | 56 | 4.8★ (1,707) | Calgary, 31 km away | 24/7 | Emergencies, Most reviews |
| 4 | Advantage Vac & Septic Services | 56 | 5.0★ (34) | Okotoks | — | — |
| 5 | PRONTO PLUMBING AND DRAIN | 56 | 4.4★ (62) | Calgary, 31 km away | 24/7 | — |
| 6 | High Country Vac Services | 55 | 4.8★ (49) | Okotoks | 24/7 | — |
| 7 | Electric Eel Sewer & Drain Specialists | 55 | 4.9★ (50) | Calgary, 19 km away | 24/7 | — |
| 8 | Big Sky Water And Vac Services | 55 | 4.6★ (11) | Calgary, 25 km away | 24/7 | — |
| 9 | Alpine Water Works | 55 | 5.0★ (14) | Okotoks | — | — |
| 10 | Fourwest Trenchless Sewer and Waterline | 54 | 4.4★ (27) | Calgary, 36 km away | 24/7 | — |
The 25 best septic service companies in Okotoks, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Okotoks
58/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 83 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Calgary, 31 km away
56/100CR ScoreRanked #3 because of its Google rating and review volume: 4.8★ from 1,707 Google reviews, the most in Okotoks.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Okotoks
56/100CR ScoreRanked #4 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, 31 km away
56/100CR ScoreRanked #5 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 Okotoks
55/100CR ScoreRanked #6 because of its Google rating and review volume: 4.8★ from 49 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Calgary, 19 km away
55/100CR 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, 25 km away
55/100CR ScoreRanked #8 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 Okotoks
55/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Calgary, 36 km away
54/100CR ScoreRanked #10 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, 28 km away
54/100CR ScoreRanked #11 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 Okotoks
53/100CR ScoreRanked #12 because of its Google rating and review volume: 4.8★ from 41 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Okotoks
53/100CR ScoreRanked #13 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Utility contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#14 Water Dr. Inc.
Based in Calgary, 34 km away
52/100CR ScoreRanked #14 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, 32 km away
52/100CR ScoreRanked #15 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 Calgary, 36 km away
51/100CR ScoreRanked #16 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.
#17 Eagle Septic
Based in Calgary, 34 km away
50/100CR ScoreRanked #17 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 Calgary, 27 km away
50/100CR 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 Calgary, 31 km away
50/100CR ScoreRanked #19 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, 38 km away
49/100CR ScoreRanked #20 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, 40 km away
48/100CR ScoreRanked #21 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 Okotoks
48/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Calgary, 40 km away
48/100CR ScoreRanked #23 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.
#24 Hydrovac Calgary
Based in Calgary, 35 km away
47/100CR ScoreRanked #24 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 High River, 19 km away
46/100CR ScoreRanked #25 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.
Also serving Okotoks
11 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 |
|---|---|---|
| Alaqua Projects | 35 km | |
| Alberta Water Services | 3.0★ (2) | 31 km |
| Calgary Septic & Water Ltd | 27 km | |
| Chinook Earthworks LTD | 32 km | |
| Flush it sewer and drain services | 24 km | |
| Fourwest Trenchless Water and Sewer Solutions LTD | In Okotoks | |
| Phoenix Treatment Systems Ltd | 34 km | |
| PRONTO PLUMBING AND DRAIN | 5.0★ (1) | 14 km |
| Septic Renew Foothills County | 14 km | |
| Upshot Septic & coatings LTD | 34 km | |
| Water Dr Inc. | 1.0★ (1) | 24 km |
How we ranked Okotoks septic service companies
We scored 25 Okotoks 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 Okotoks 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 Okotoks: frequently asked questions
Who is the best septic service company in Okotoks?
By CR Score, the highest-ranked septic service company in Okotoks, AB is Grayline Contracting Ltd. with a CR Score of 58/100. It has 4.9★ from 30 Google reviews. It is open Saturdays until 1 PM. SOILWORX Septic System Design (#2) and Mr. Rooter Plumbing of Calgary (#3) follow. We ranked 25 septic service companies on ten factors, last updated November 2, 2026.
How many septic service companies are there in Okotoks?
ContractorsRanked ranks 25 septic service companies serving Okotoks, AB. 8 of them are based in Okotoks; the rest serve it from nearby towns. Another 11 within 40 km are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Okotoks are open 24/7?
10 ranked septic service companies in Okotoks post 24/7 hours. The highest-ranked are Mr. Rooter Plumbing of Calgary (#3), PRONTO PLUMBING AND DRAIN (#5) and High Country Vac Services (#6). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Okotoks work on weekends?
16 of 25 ranked septic service companies post Saturday hours and 13 post Sunday hours. The highest-ranked open Saturdays are Grayline Contracting Ltd. (#1), Mr. Rooter Plumbing of Calgary (#3) and PRONTO PLUMBING AND DRAIN (#5). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Okotoks septic service companies have?
The median Google rating among 25 rated septic service companies in Okotoks is 4.9★, with a median of 19 reviews. Mr. Rooter Plumbing of Calgary has the most, 1,707 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 Okotoks count in this ranking?
Yes, if they are within 40 km of the Okotoks 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 Okotoks
- November 2026: CR Scores recalculated for 25 septic service companies serving Okotoks.
More septic service companies and Okotoks pages
Septic service companies near Okotoks
Other trades in Okotoks
- Roofers in Okotoks161 ranked
- Plumbers in Okotoks119 ranked
- Electricians in Okotoks43 ranked
- HVAC contractors in Okotoks138 ranked
- General contractors in Okotoks164 ranked
- Painters in Okotoks24 ranked
- Landscapers in Okotoks24 ranked
- Handymen in Okotoks13 ranked
- Kitchen remodelers in Okotoks86 ranked
- Bathroom remodelers in Okotoks88 ranked
- Flooring contractors in Okotoks77 ranked
- Tile installers in Okotoks12 ranked
- Drywall contractors in Okotoks7 ranked
- Concrete contractors in Okotoks94 ranked
- Fence contractors in Okotoks65 ranked
- Deck builders in Okotoks68 ranked
- Siding contractors in Okotoks80 ranked
- Window installers in Okotoks102 ranked
- Gutter installers in Okotoks40 ranked
- Insulation contractors in Okotoks36 ranked
- Solar installers in Okotoks50 ranked
- Garage door repair companies in Okotoks41 ranked
- Foundation repair companies in Okotoks28 ranked
- Tree services in Okotoks60 ranked
- Masonry contractors in Okotoks36 ranked
- Water damage restoration companies in Okotoks100 ranked
- Home builders in Okotoks164 ranked
- Demolition contractors in Okotoks33 ranked
- Pest control companies in Okotoks40 ranked
- Paving contractors in Okotoks17 ranked
- Auto glass repair shops in Okotoks87 ranked
- Excavating contractors in Okotoks42 ranked
- Pool builders in Okotoks9 ranked
- All contractors in Okotoks