66/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 846 Google reviews, the most in Medway.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Medway, MA (2026)
118 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Medway: Wind River Environmental of Walpole, MA, CR Score 66/100; 4.9★ from 846 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): JL Darling Septic Tank Pumping, posts 24/7 hours; ranked #2 of 118.
- 3
Most-reviewed: Grant's Septic Techs, 590 Google reviews at 5.0★, the most of 118 ranked after Wind River Environmental of Walpole, MA; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
118 Medway septic service companies are ranked here by CR Score, from ten published factors. 33 are open 24/7, 63 open Saturdays and 40 open Sundays, based on posted hours. The median Google rating is 4.8★ across 118 rated businesses.
Top 10 septic service companies in Medway at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Wind River Environmental of Walpole, MA | 66 | 4.9★ (846) | Walpole, 7 mi away | 24/7 | Overall |
| 2 | JL Darling Septic Tank Pumping | 64 | 5.0★ (382) | Uxbridge, 13 mi away | 24/7 | Emergencies |
| 3 | Grant's Septic Techs | 62 | 5.0★ (590) | Worcester, 12 mi away | Sat | Most reviews |
| 4 | Home Town Pumping | 62 | 4.9★ (366) | Foxborough, 10 mi away | — | — |
| 5 | Fairbank Septic Pumping LLC | 60 | 4.9★ (93) | Sudbury, 15 mi away | 24/7 | — |
| 6 | ADC Septic | 59 | 4.7★ (53) | Blackstone, 12 mi away | 24/7 | — |
| 7 | Northboro / Curtis Septic Service | 59 | 4.9★ (73) | Northborough, 17 mi away | 24/7 | — |
| 8 | Rodenhiser Excavating, Septic & Drains and Builders | 59 | 4.5★ (24) | Holliston, 6 mi away | 24/7 | — |
| 9 | DownEast Title V Inspections, LLC | 59 | 5.0★ (47) | Haverhill, 16 mi away | 24/7 | — |
| 10 | Smith Septic | 59 | 5.0★ (17) | Franklin, 8 mi away | 24/7 | — |
The 118 best septic service companies in Medway, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Uxbridge, 13 mi away
64/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 382 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Worcester, 12 mi away
62/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 590 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Foxborough, 10 mi away
62/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 366 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Sudbury, 15 mi away
60/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 93 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#6 ADC Septic
Based in Blackstone, 12 mi away
59/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.7★ from 53 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Northborough, 17 mi away
59/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 73 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Holliston, 6 mi away
59/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.5★ from 24 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Haverhill, 16 mi away
59/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 47 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#10 Smith Septic
Based in Franklin, 8 mi away
59/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Holliston, 4 mi away
58/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 98 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Stow, 21 mi away
58/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.7★ from 77 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Wrentham, 6 mi away
57/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.3★ from 36 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Arlington, 25 mi away
57/100CR ScoreRanked #14 because of its Google rating and review volume: 4.9★ from 493 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Providence, 22 mi away
56/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 36 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#16 Rhino Rooter
Based in Boston, 21 mi away
56/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Boston, 21 mi away
56/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.8★ from 32 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Millbury, 19 mi away
56/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in South Boston, 21 mi away
56/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 42 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Blackstone, 18 mi away
56/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.7★ from 329 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Blackstone, 10 mi away
55/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.8★ from 81 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pawtucket, 19 mi away
55/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 77 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cumberland, 10 mi away
55/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#24 Budge It Drains
Based in Brockton, 25 mi away
55/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.3★ from 77 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#25 Pump Grump
Based in Norton, 18 mi away
55/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.6★ from 12 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Septic service companies ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 118 ranked septic service companies here; the rest are on their profiles.
Also serving Medway
20 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 |
|---|---|---|
| All Clean Inc | 3.0★ (2) | 18 mi |
| AW Pump Pawtucket, RI - Sewer Pump & Well Tank Installation Service | 5.0★ (2) | 18 mi |
| Blue Line Septic | 5.0★ (2) | 23 mi |
| CDM Septic & Construction | 1.0★ (1) | 8 mi |
| D. A. Plante Inc | 5.0★ (1) | 16 mi |
| Down To Earth Construction | 5.0★ (1) | 16 mi |
| Final Grade Excavation inc. | 5.0★ (1) | 15 mi |
| G. Nichols Construction Co., Inc | 5.0★ (2) | 23 mi |
| Groundscapes Inc. | 5.0★ (2) | 25 mi |
| JPAC Enterprises, LLC | 5.0★ (1) | 7 mi |
| L H Sewerage Inc | 5.0★ (2) | 24 mi |
| M G Stanick Septic Pumping Services | 4.5★ (2) | 18 mi |
| Mark Santora PE Inc | 5.0★ (2) | 15 mi |
| MDC Excavation & Trucking | 5.0★ (2) | 22 mi |
| NorthEast Classic Builders | 1.0★ (1) | 15 mi |
| R Gustafson Sewer & Drain | 3.0★ (2) | 18 mi |
| Septic-Tech Inspector | 5.0★ (1) | 12 mi |
| Trinity Industries Corporation | 5.0★ (1) | 8 mi |
| Trufant Industries, Inc. | 5.0★ (2) | 12 mi |
| United Rentals - Reliable Onsite Services | 5.0★ (2) | 18 mi |
How we ranked Medway septic service companies
We scored 118 Medway 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 Medway 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 Medway: frequently asked questions
Who is the best septic service company in Medway?
By CR Score, the highest-ranked septic service company in Medway, MA is Wind River Environmental of Walpole, MA with a CR Score of 66/100. It has 4.9★ from 846 Google reviews. It is open 24/7. JL Darling Septic Tank Pumping (#2) and Grant's Septic Techs (#3) follow. We ranked 118 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Medway?
ContractorsRanked ranks 118 septic service companies serving Medway, MA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Medway are open 24/7?
33 ranked septic service companies in Medway post 24/7 hours. The highest-ranked are Wind River Environmental of Walpole, MA (#1), JL Darling Septic Tank Pumping (#2) and Fairbank Septic Pumping LLC (#5). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Medway work on weekends?
63 of 118 ranked septic service companies post Saturday hours and 40 post Sunday hours. The highest-ranked open Saturdays are Wind River Environmental of Walpole, MA (#1), JL Darling Septic Tank Pumping (#2) and Grant's Septic Techs (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Medway septic service companies have?
The median Google rating among 118 rated septic service companies in Medway is 4.8★, with a median of 17 reviews. Wind River Environmental of Walpole, MA has the most, 846 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 Medway count in this ranking?
Yes, if they are within 25 mi of the Medway 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 Medway
- November 2026: CR Scores recalculated for 118 septic service companies serving Medway.
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