69/100CR Score
Ranked #1 because of its Google rating and review volume: 5.0★ from 133 Google reviews, the most in Lewiston.
Best Septic Service Companies in Lewiston, ME (2026)
26 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Lewiston: Downstream Septic & Pumping, CR Score 69/100; 5.0★ from 133 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Dan Stanley Septic Service, posts 24/7 hours; ranked #2 of 26.
- 3
Most-reviewed: W E Fenderson Septic Pumping Service, 110 Google reviews at 5.0★, the most of 26 ranked after Downstream Septic & Pumping; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
26 Lewiston septic service companies are ranked here by CR Score, from ten published factors. 5 are open 24/7, 10 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.9★ across 26 rated businesses.
Top 10 septic service companies in Lewiston at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Downstream Septic & Pumping | 69 | 5.0★ (133) | Lewiston | 24/7 | Overall |
| 2 | Dan Stanley Septic Service | 65 | 4.9★ (48) | Lewiston | 24/7 | Emergencies |
| 3 | W E Fenderson Septic Pumping Service | 63 | 5.0★ (110) | Lewiston | Evenings | Most reviews |
| 4 | Maine Septic & Pumping | 60 | 4.8★ (50) | Lewiston | — | — |
| 5 | Triple 7 Septic & Excavation | 60 | 5.0★ (16) | Lewiston | 24/7 | — |
| 6 | Caldwell Septic and Drains | 59 | 5.0★ (43) | Paris, 12 mi away | 24/7 | — |
| 7 | McAtee Company Inc. | 59 | 5.0★ (35) | New Gloucester, 12 mi away | Sat | — |
| 8 | A Plus Septic Services Inc | 57 | 4.9★ (46) | Auburn, 11 mi away | — | — |
| 9 | RM Septic Service | 56 | 5.0★ (13) | Brunswick, 24 mi away | 24/7 | — |
| 10 | Arkie Rogers Septic Service, Inc. | 56 | 4.8★ (74) | Portland, 22 mi away | — | — |
The 26 best septic service companies in Lewiston, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Lewiston
65/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 48 Google reviews, listed on Google as “Septic system service”.
Based in Lewiston
63/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 110 Google reviews, listed on Google as “Septic system service”.
Based in Lewiston
60/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 50 Google reviews, listed on Google as “Septic system service”.
Based in Lewiston
60/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Septic system service”.
Based in Paris, 12 mi away
59/100CR ScoreRanked #6 because of its Google rating and review volume: 5.0★ from 43 Google reviews.
Based in New Gloucester, 12 mi away
59/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “Septic system service”.
Based in Auburn, 11 mi away
57/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 46 Google reviews, listed on Google as “Septic system service”.
Based in Brunswick, 24 mi away
56/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Septic system service”.
Based in Portland, 22 mi away
56/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.8★ from 74 Google reviews, listed on Google as “Septic system service”.
#11 Maine Septics
Based in Portland, 21 mi away
55/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 9 Google reviews, listed on Google as “Septic system service”.
#12 SurveyWorks Inc.
Based in Auburn, 1 mi away
54/100CR ScoreRanked #12 because of its Google rating and trade focus: 3.7★ from 6 Google reviews, listed on Google as “Septic system service”.
Based in Topsham, 17 mi away
54/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Septic system service”.
Based in Buxton, 7 mi away
53/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.8★ from 27 Google reviews, listed on Google as “Plumber”.
Based in Lewiston
52/100CR ScoreRanked #15 because of its Google rating and review volume: 4.4★ from 28 Google reviews.
Based in Portland, 19 mi away
51/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Septic system service”.
#17 Dirigo Septic
Based in Portland, 23 mi away
50/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.7★ from 9 Google reviews, listed on Google as “Septic system service”.
Based in Lewiston
49/100CR ScoreRanked #18 because of its Google rating and trade focus: 2.1★ from 7 Google reviews, listed on Google as “Concrete contractor”.
Based in Bath, 25 mi away
48/100CR ScoreRanked #19 because of its Google rating and review volume: 4.9★ from 52 Google reviews.
Based in Auburn, 17 mi away
48/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Excavating contractor”.
Based in Paris, 16 mi away
46/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Excavating contractor”.
Based in Bath, 22 mi away
45/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.0★ from 5 Google reviews, listed on Google as “Excavating contractor”.
Based in Brunswick, 23 mi away
44/100CR ScoreRanked #23 because of its Google rating and review volume: 4.6★ from 11 Google reviews.
Based in Yarmouth, 18 mi away
44/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Roofing contractor”.
Based in Auburn, 17 mi away
43/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Excavating contractor”.
All 26 septic service companies
#1 to #25 are shown in full above. Here are #26 to #26, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Mc Naughton Brothers Construction | 43 | 3.7★ (3) | 23 mi |
Also serving Lewiston
8 more septic service companies within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| CMS Central Me Septic | In Lewiston | |
| mainline sewer and drain | 5.0★ (1) | 25 mi |
| Mitchell Jr Gerry | 22 mi | |
| Ray Goulet and Sons Excavation LLC | In Lewiston | |
| Septic Systems of Maine | In Lewiston | |
| Thomas Longley's Maine Septic Systems Design | 5.0★ (1) | 11 mi |
| Welcome Home Inspections LLC | 5.0★ (2) | 1 mi |
| Yarmouth Septic Services | 18 mi |
How we ranked Lewiston septic service companies
We scored 26 Lewiston 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 Lewiston 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 Lewiston: frequently asked questions
Who is the best septic service company in Lewiston?
By CR Score, the highest-ranked septic service company in Lewiston, ME is Downstream Septic & Pumping with a CR Score of 69/100. It has 5.0★ from 133 Google reviews. It is open 24/7. Dan Stanley Septic Service (#2) and W E Fenderson Septic Pumping Service (#3) follow. We ranked 26 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Lewiston?
ContractorsRanked ranks 26 septic service companies serving Lewiston, ME. 7 of them are based in Lewiston; the rest serve it from nearby towns. Another 8 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Lewiston are open 24/7?
5 ranked septic service companies in Lewiston post 24/7 hours. The highest-ranked are Downstream Septic & Pumping (#1), Dan Stanley Septic Service (#2) and Triple 7 Septic & Excavation (#5). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Lewiston work on weekends?
10 of 26 ranked septic service companies post Saturday hours and 5 post Sunday hours. The highest-ranked open Saturdays are Downstream Septic & Pumping (#1), Dan Stanley Septic Service (#2) and Caldwell Septic and Drains (#6). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Lewiston septic service companies have?
The median Google rating among 26 rated septic service companies in Lewiston is 4.9★, with a median of 15 reviews. Downstream Septic & Pumping has the most, 133 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 Lewiston count in this ranking?
Yes, if they are within 25 mi of the Lewiston 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 Lewiston
- November 2026: CR Scores recalculated for 26 septic service companies serving Lewiston.
More septic service companies and Lewiston pages
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