64/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 369 Google reviews, the most in Port Huron.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Port Huron, MI (2026)
15 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Port Huron: Dunnrite Sewer & Drain Cleaning, CR Score 64/100; 4.9★ from 369 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Modern Sewer & drain cleaning, posts 24/7 hours; ranked #2 of 15.
- 3
Most-reviewed: Lambton Sanitation, 309 Google reviews at 5.0★, the most of 15 ranked after Dunnrite Sewer & Drain Cleaning; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
15 Port Huron septic service companies are ranked here by CR Score, from ten published factors. 11 are open 24/7, 12 open Saturdays and 10 open Sundays, based on posted hours. The median Google rating is 4.9★ across 15 rated businesses.
Top 10 septic service companies in Port Huron at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Dunnrite Sewer & Drain Cleaning | 64 | 4.9★ (369) | Port Huron | 24/7 | Overall |
| 2 | Modern Sewer & drain cleaning | 63 | 4.9★ (266) | Sarnia, 4 mi away | 24/7 | Emergencies |
| 3 | Lambton Sanitation | 61 | 5.0★ (309) | Sarnia, 6 mi away | 24/7 | Most reviews |
| 4 | A. Webster Sewer & Drain | 59 | 4.9★ (76) | Sarnia, 9 mi away | 24/7 | — |
| 5 | Port Huron Sewer Cleaning | 57 | 5.0★ (47) | Sarnia, 12 mi away | 24/7 | — |
| 6 | Root Away Sewer and Drain Cleaning | 56 | 5.0★ (32) | Sarnia, 13 mi away | 24/7 | — |
| 7 | Veolia Chemical Cleaning | 56 | 4.0★ (3) | Sarnia, 2 mi away | Sat · Sun | — |
| 8 | Septic Diagnostics | 55 | 4.9★ (11) | Sarnia, 1 mi away | — | — |
| 9 | Sarnia Sewer & Drainage | 55 | 5.0★ (5) | Sarnia, 5 mi away | 24/7 | — |
| 10 | Don Allemon Sewer and Drain Cleaning | 55 | 4.6★ (34) | New Baltimore, 20 mi away | — | — |
The 15 best septic service companies in Port Huron, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Sarnia, 4 mi away
63/100CR ScoreRanked #2 because of its Google rating and review volume: 4.9★ from 266 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia, 6 mi away
61/100CR ScoreRanked #3 because of its Google rating and review volume: 5.0★ from 309 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia, 9 mi away
59/100CR ScoreRanked #4 because of its Google rating and review volume: 4.9★ from 76 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia, 12 mi away
57/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 47 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia, 13 mi away
56/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia, 2 mi away
56/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.0★ from 3 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia, 1 mi away
55/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ 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 Sarnia, 5 mi away
55/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in New Baltimore, 20 mi away
55/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.6★ from 34 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Sarnia, 7 mi away
54/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.8★ from 11 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Port Huron
53/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.5★ from 8 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Port Huron
53/100CR ScoreRanked #13 because of its Google rating and trade focus: 3.0★ from 6 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia, 5 mi away
52/100CR ScoreRanked #14 because of its Google rating and availability: 5.0★ from 6 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia, 2 mi away
52/100CR ScoreRanked #15 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
How we ranked Port Huron septic service companies
We scored 15 Port Huron 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 Port Huron 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 Port Huron: frequently asked questions
Who is the best septic service company in Port Huron?
By CR Score, the highest-ranked septic service company in Port Huron, MI is Dunnrite Sewer & Drain Cleaning with a CR Score of 64/100. It has 4.9★ from 369 Google reviews. It is open 24/7. Modern Sewer & drain cleaning (#2) and Lambton Sanitation (#3) follow. We ranked 15 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Port Huron?
ContractorsRanked ranks 15 septic service companies serving Port Huron, MI. 3 of them are based in Port Huron; the rest serve it from nearby towns. Counts are as of November 2026.
Which septic service companies in Port Huron are open 24/7?
11 ranked septic service companies in Port Huron post 24/7 hours. The highest-ranked are Dunnrite Sewer & Drain Cleaning (#1), Modern Sewer & drain cleaning (#2) and Lambton Sanitation (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Port Huron work on weekends?
12 of 15 ranked septic service companies post Saturday hours and 10 post Sunday hours. The highest-ranked open Saturdays are Dunnrite Sewer & Drain Cleaning (#1), Modern Sewer & drain cleaning (#2) and Lambton Sanitation (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Port Huron septic service companies have?
The median Google rating among 15 rated septic service companies in Port Huron is 4.9★, with a median of 11 reviews. Dunnrite Sewer & Drain Cleaning has the most, 369 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 Port Huron count in this ranking?
Yes, if they are within 25 mi of the Port Huron 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 Port Huron
- November 2026: CR Scores recalculated for 15 septic service companies serving Port Huron.
- November 2026: 1 duplicate listing merged.
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