61/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 458 Google reviews, listed on Google as “Septic system service”.
Best Septic Service Companies in Siloam Springs, AR (2026)
15 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Siloam Springs: State Line Septic, CR Score 61/100; 5.0★ from 458 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Allied Plumbing Air & Electric, posts 24/7 hours; ranked #2 of 15.
- 2
Most-reviewed: Allied Plumbing Air & Electric, 2,371 Google reviews at 4.8★, the most of 15 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
15 Siloam Springs septic service companies are ranked here by CR Score, from ten published factors. 3 are open 24/7, 7 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 4.8★ across 15 rated businesses.
Top 10 septic service companies in Siloam Springs at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | State Line Septic | 61 | 5.0★ (458) | Bentonville, 21 mi away | 24/7 | Overall |
| 2 | Allied Plumbing Air & Electric | 57 | 4.8★ (2,371) | Springdale, 16 mi away | 24/7 | Emergencies, Most reviews |
| 3 | BBB Septic and Portable Toilets | 57 | 4.9★ (1,274) | Bentonville, 20 mi away | — | — |
| 4 | Plumbing and Septic Solutions | 56 | 4.9★ (95) | Siloam Springs | Sat | — |
| 5 | Cook's Water Systems | 53 | 3.0★ (4) | Fayetteville, 12 mi away | Sat · Sun | — |
| 6 | Moore Brothers Septic Systems | 52 | 4.8★ (25) | Fayetteville, 19 mi away | Sat | — |
| 7 | PERCPRO® | 51 | 4.9★ (42) | Springdale, 21 mi away | — | — |
| 8 | Best Jet Sewer & Drain Services | 50 | 4.0★ (63) | Farmington, 20 mi away | 24/7 | — |
| 9 | NWA Septics | 50 | 5.0★ (6) | Rogers, 15 mi away | — | — |
| 10 | DPH Plumbing LLC | 49 | 4.7★ (26) | Siloam Springs | — | — |
The 15 best septic service companies in Siloam Springs, 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 Springdale, 16 mi away
57/100CR ScoreRanked #2 because of its Google rating and review volume: 4.8★ from 2,371 Google reviews, the most in Siloam Springs.
Based in Bentonville, 20 mi away
57/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 1,274 Google reviews, listed on Google as “Septic system service”.
Based in Siloam Springs
56/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 95 Google reviews, listed on Google as “Plumber”.
Based in Fayetteville, 12 mi away
53/100CR ScoreRanked #5 because of its Google rating and trade focus: 3.0★ from 4 Google reviews, listed on Google as “Septic system service”.
Based in Fayetteville, 19 mi away
52/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ from 25 Google reviews, listed on Google as “Septic system service”.
#7 PERCPRO®
Based in Springdale, 21 mi away
51/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 42 Google reviews, listed on Google as “Septic system service”.
Based in Farmington, 20 mi away
50/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.0★ from 63 Google reviews, listed on Google as “Plumber”.
#9 NWA Septics
Based in Rogers, 15 mi away
50/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Septic system service”.
#10 DPH Plumbing LLC
Based in Siloam Springs
49/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.7★ from 26 Google reviews, listed on Google as “Plumber”.
Based in Lowell, 23 mi away
49/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Septic system service”.
Based in Fayetteville, 24 mi away
49/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.5★ from 31 Google reviews, listed on Google as “Septic system service”.
Based in Bentonville, 21 mi away
47/100CR ScoreRanked #13 because of its Google rating and trade focus: 3.0★ from 8 Google reviews, listed on Google as “Septic system service”.
#14 NWA C&S Plumbing
Based in Springdale, 23 mi away
46/100CR ScoreRanked #14 because of its Google rating and review volume: 4.8★ from 116 Google reviews.
Based in Fayetteville, 23 mi away
44/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Plumber”.
Also serving Siloam Springs
6 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 Water Plumbing and Septic | 5.0★ (1) | In Siloam Springs |
| Baker Contracting - Plumbing & Excavation | 5.0★ (2) | 21 mi |
| Fayetteville Septic Tank Pumping | 23 mi | |
| HC Contracting Plumbing and Septics | 23 mi | |
| Roughton Excavation & Septic | 5.0★ (1) | 25 mi |
| T & N Excavating and More | 23 mi |
How we ranked Siloam Springs septic service companies
We scored 15 Siloam Springs 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 2, 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 Siloam Springs 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 Siloam Springs: frequently asked questions
Who is the best septic service company in Siloam Springs?
By CR Score, the highest-ranked septic service company in Siloam Springs, AR is State Line Septic with a CR Score of 61/100. It has 5.0★ from 458 Google reviews. It is open 24/7. Allied Plumbing Air & Electric (#2) and BBB Septic and Portable Toilets (#3) follow. We ranked 15 septic service companies on ten factors, last updated November 2, 2026.
How many septic service companies are there in Siloam Springs?
ContractorsRanked ranks 15 septic service companies serving Siloam Springs, AR. 2 of them are based in Siloam Springs; the rest serve it from nearby towns. Another 6 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Siloam Springs are open 24/7?
3 ranked septic service companies in Siloam Springs post 24/7 hours. The highest-ranked are State Line Septic (#1), Allied Plumbing Air & Electric (#2) and Best Jet Sewer & Drain Services (#8). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Siloam Springs work on weekends?
7 of 15 ranked septic service companies post Saturday hours and 4 post Sunday hours. The highest-ranked open Saturdays are State Line Septic (#1), Allied Plumbing Air & Electric (#2) and Plumbing and Septic Solutions (#4). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Siloam Springs septic service companies have?
The median Google rating among 15 rated septic service companies in Siloam Springs is 4.8★, with a median of 31 reviews. Allied Plumbing Air & Electric has the most, 2,371 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 Siloam Springs count in this ranking?
Yes, if they are within 25 mi of the Siloam Springs 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 Siloam Springs
- November 2026: CR Scores recalculated for 15 septic service companies serving Siloam Springs.
More septic service companies and Siloam Springs pages
Septic service companies near Siloam Springs
- Septic service companies in Centerton, AR21 ranked
- Septic service companies in Bentonville, AR22 ranked
- Septic service companies in Springdale, AR22 ranked
- Septic service companies in Fayetteville, AR20 ranked
- Septic service companies in Bella Vista, AR16 ranked
- Septic service companies in Rogers, AR22 ranked
- Septic service companies in Van Buren, AR10 ranked
- Septic service companies in Fort Smith, AR9 ranked
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