62/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 198 Google reviews, the most in Columbia.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Columbia, PA (2026)
15 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Columbia: Walters Environmental Services, Inc., CR Score 62/100; 4.9★ from 198 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Kline's Services, a Wind River Company, posts 24/7 hours; ranked #2 of 15.
- 5
Most-reviewed: Roto-Rooter York, 100 Google reviews at 4.6★, the most of 15 ranked after Walters Environmental Services, Inc.; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
15 Columbia septic service companies are ranked here by CR Score, from ten published factors. 2 are open 24/7, 3 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 4.9★ across 15 rated businesses.
Top 10 septic service companies in Columbia at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Walters Environmental Services, Inc. | 62 | 4.9★ (198) | Harrisburg, 24 mi away | 24/7 | Overall |
| 2 | Kline's Services, a Wind River Company | 61 | 4.1★ (93) | Mount Joy, 6 mi away | 24/7 | Emergencies |
| 3 | J. L. Martin & Sons Septic Service | 53 | 4.2★ (40) | York, 14 mi away | — | — |
| 4 | Joe The Plumber | 51 | 4.4★ (59) | Lancaster, 12 mi away | — | — |
| 5 | Roto-Rooter York | 49 | 4.6★ (100) | Weigelstown, 15 mi away | — | Most reviews |
| 6 | The Plumbing Works | 49 | 4.7★ (40) | Lancaster, 10 mi away | — | — |
| 7 | Nolt Services LLC | 49 | 3.9★ (7) | Lititz, 19 mi away | — | — |
| 8 | Saunders Sewer & Drain Services | 48 | 5.0★ (6) | Lancaster, 13 mi away | — | — |
| 9 | Baker's Septic Services | 48 | 5.0★ (8) | Elizabethtown, 9 mi away | — | — |
| 10 | Walters Septic Services | 48 | 5.0★ (4) | Elizabethtown, 10 mi away | — | — |
The 15 best septic service companies in Columbia, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Mount Joy, 6 mi away
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.1★ from 93 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in York, 14 mi away
53/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.2★ from 40 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lancaster, 12 mi away
51/100CR ScoreRanked #4 because of its Google rating and review volume: 4.4★ from 59 Google reviews.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Weigelstown, 15 mi away
49/100CR ScoreRanked #5 because of its Google rating and review volume: 4.6★ from 100 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lancaster, 10 mi away
49/100CR ScoreRanked #6 because of its Google rating and review volume: 4.7★ from 40 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lititz, 19 mi away
49/100CR ScoreRanked #7 because of its Google rating and trade focus: 3.9★ from 7 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lancaster, 13 mi away
48/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Elizabethtown, 9 mi away
48/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Elizabethtown, 10 mi away
48/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Ephrata, 20 mi away
47/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ 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 Lititz, 15 mi away
47/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 9 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#13 C&H Excavating
Based in York, 15 mi away
46/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 9 Google reviews, listed on Google as “Demolition contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Red Lion, 12 mi away
44/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.8★ from 6 Google reviews, listed on Google as “Paving contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lancaster, 14 mi away
44/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 7 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Also serving Columbia
2 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 | Distance |
|---|---|
| Michael Barshinger Builder | 16 mi |
| R Work Excavating & Trucking | 18 mi |
How we ranked Columbia septic service companies
We scored 15 Columbia 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 Columbia 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 Columbia: frequently asked questions
Who is the best septic service company in Columbia?
By CR Score, the highest-ranked septic service company in Columbia, PA is Walters Environmental Services, Inc. with a CR Score of 62/100. It has 4.9★ from 198 Google reviews. It is open 24/7. Kline's Services, a Wind River Company (#2) and J. L. Martin & Sons Septic Service (#3) follow. We ranked 15 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Columbia?
ContractorsRanked ranks 15 septic service companies serving Columbia, PA. Another 2 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Columbia are open 24/7?
2 ranked septic service companies in Columbia post 24/7 hours. The highest-ranked are Walters Environmental Services, Inc. (#1) and Kline's Services, a Wind River Company (#2). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Columbia work on weekends?
3 of 15 ranked septic service companies post Saturday hours and 2 post Sunday hours. The highest-ranked open Saturdays are Walters Environmental Services, Inc. (#1), Kline's Services, a Wind River Company (#2) and C&H Excavating (#13). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Columbia septic service companies have?
The median Google rating among 15 rated septic service companies in Columbia is 4.9★, with a median of 9 reviews. Walters Environmental Services, Inc. has the most, 198 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 Columbia count in this ranking?
Yes, if they are within 25 mi of the Columbia 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 Columbia
- November 2026: CR Scores recalculated for 15 septic service companies serving Columbia.
More septic service companies and Columbia pages
Septic service companies near Columbia
- Septic service companies in Elizabethtown, PA20 ranked
- Septic service companies in Lancaster, PA14 ranked
- Septic service companies in York, PA16 ranked
- Septic service companies in Shiloh, PA14 ranked
- Septic service companies in Weigelstown, PA14 ranked
- Septic service companies in Hershey, PA17 ranked
- Septic service companies in Ephrata, PA15 ranked
- Septic service companies in Lebanon, PA14 ranked
- Septic service companies in Colonial Park, PA16 ranked
- Septic service companies in Harrisburg, PA15 ranked
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