62/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 75 Google reviews, listed on Google as “Septic system service”.
Best Septic Service Companies in Oak Grove, SC (2026)
16 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Oak Grove: Palmetto septic solutions LLC, CR Score 62/100; 4.9★ from 75 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Kay Plumbing, Heating & Cooling, posts 24/7 hours; ranked #2 of 16.
- 2
Most-reviewed: Kay Plumbing, Heating & Cooling, 1,467 Google reviews at 4.7★, the most of 16 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
16 Oak Grove septic service companies are ranked here by CR Score, from ten published factors. 5 are open 24/7, 12 open Saturdays and 10 open Sundays, based on posted hours. The median Google rating is 4.7★ across 16 rated businesses.
Top 10 septic service companies in Oak Grove at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Palmetto septic solutions LLC | 62 | 4.9★ (75) | West Columbia, 3 mi away | 24/7 | Overall |
| 2 | Kay Plumbing, Heating & Cooling | 59 | 4.7★ (1,467) | Lexington, 5 mi away | 24/7 | Emergencies, Most reviews |
| 3 | C.E. Taylor & Son Inc | 59 | 4.5★ (182) | Lexington, 6 mi away | Sat · Sun | — |
| 4 | Turd burglars | 58 | 4.7★ (35) | Irmo, 9 mi away | 24/7 | — |
| 5 | Knight Septic Service LLC | 58 | 5.0★ (45) | Columbia, 9 mi away | Sat · Sun | — |
| 6 | WeCo Rooter | 58 | 4.8★ (366) | West Columbia, 4 mi away | 24/7 | — |
| 7 | Mr. Rooter Plumbing of Lexington | 56 | 4.9★ (229) | West Columbia, 3 mi away | Sat · Sun · Evenings | — |
| 8 | M & E Septic Service | 56 | 3.9★ (45) | Columbia, 5 mi away | Sat · Sun · Evenings | — |
| 9 | Barnhill's Services Inc. | 54 | 4.6★ (52) | Lexington, 4 mi away | — | — |
| 10 | PLD Outdoors | 53 | 5.0★ (10) | Columbia, 2 mi away | — | — |
The 16 best septic service companies in Oak Grove, 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 Lexington, 5 mi away
59/100CR ScoreRanked #2 because of its Google rating and review volume: 4.7★ from 1,467 Google reviews, the most in Oak Grove.
Based in Lexington, 6 mi away
59/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.5★ from 182 Google reviews, listed on Google as “Septic system service”.
Based in Irmo, 9 mi away
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.7★ from 35 Google reviews, listed on Google as “Septic system service”.
Based in Columbia, 9 mi away
58/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 45 Google reviews, listed on Google as “Septic system service”.
#6 WeCo Rooter
Based in West Columbia, 4 mi away
58/100CR ScoreRanked #6 because of its Google rating and review volume: 4.8★ from 366 Google reviews.
Based in West Columbia, 3 mi away
56/100CR ScoreRanked #7 because of its Google rating and review volume: 4.9★ from 229 Google reviews.
Based in Columbia, 5 mi away
56/100CR ScoreRanked #8 because of its Google rating and trade focus: 3.9★ from 45 Google reviews, listed on Google as “Septic system service”.
Based in Lexington, 4 mi away
54/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.6★ from 52 Google reviews, listed on Google as “Septic system service”.
#10 PLD Outdoors
Based in Columbia, 2 mi away
53/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Septic system service”.
Based in Lexington, 7 mi away
52/100CR ScoreRanked #11 because of its Google rating and review volume: 4.7★ from 130 Google reviews.
Based in Columbia, 6 mi away
51/100CR ScoreRanked #12 because of its Google rating and trade focus: 3.7★ from 55 Google reviews, listed on Google as “Septic system service”.
Based in Columbia, 9 mi away
51/100CR ScoreRanked #13 because of its Google rating and trade focus: 3.6★ from 110 Google reviews, listed on Google as “Septic system service”.
Based in Lexington, 7 mi away
50/100CR ScoreRanked #14 because of its Google rating and availability: 4.3★ from 13 Google reviews, open 24/7.
Based in Cayce, 16 mi away
49/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.5★ from 19 Google reviews, listed on Google as “Demolition contractor”.
Based in Columbia, 6 mi away
46/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Demolition contractor”.
Also serving Oak Grove
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 |
|---|---|---|
| 1st Choice Plumbing & Gas LLC | 6 mi | |
| Bushwacker Land Improvements | 5.0★ (2) | 5 mi |
| Columbia Septic Company | 12 mi | |
| Eargle's Septic and Backhoe Service | 5.0★ (1) | 12 mi |
| M & E Septic Tank Services & Construction | 6 mi | |
| Mid-Carolina Construction | 5.0★ (2) | 13 mi |
| Multi-Flow Sewer & Drain | 3 mi | |
| WeCo Rooter | 19 mi |
How we ranked Oak Grove septic service companies
We scored 16 Oak Grove 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 Oak Grove 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 Oak Grove: frequently asked questions
Who is the best septic service company in Oak Grove?
By CR Score, the highest-ranked septic service company in Oak Grove, SC is Palmetto septic solutions LLC with a CR Score of 62/100. It has 4.9★ from 75 Google reviews. It is open 24/7. Kay Plumbing, Heating & Cooling (#2) and C.E. Taylor & Son Inc (#3) follow. We ranked 16 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Oak Grove?
ContractorsRanked ranks 16 septic service companies serving Oak Grove, SC. Another 8 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Oak Grove are open 24/7?
5 ranked septic service companies in Oak Grove post 24/7 hours. The highest-ranked are Palmetto septic solutions LLC (#1), Kay Plumbing, Heating & Cooling (#2) and Turd burglars (#4). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Oak Grove work on weekends?
12 of 16 ranked septic service companies post Saturday hours and 10 post Sunday hours. The highest-ranked open Saturdays are Palmetto septic solutions LLC (#1), Kay Plumbing, Heating & Cooling (#2) and C.E. Taylor & Son Inc (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Oak Grove septic service companies have?
The median Google rating among 16 rated septic service companies in Oak Grove is 4.7★, with a median of 54 reviews. Kay Plumbing, Heating & Cooling has the most, 1,467 reviews, and ranks #2. 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 Oak Grove count in this ranking?
Yes, if they are within 25 mi of the Oak Grove 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 Oak Grove
- November 2026: CR Scores recalculated for 16 septic service companies serving Oak Grove.
More septic service companies and Oak Grove pages
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