63/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 237 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Wood River, IL (2026)
51 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Wood River: Nolen Septic Services, CR Score 63/100; 5.0★ from 237 Google reviews; open 24/7.
- 4
Best for emergencies (open 24/7): Pierson Plumbing Sewer & Drain L.L.C, posts 24/7 hours; ranked #4 of 51.
- 6
Most-reviewed: Maplewood Plumbing & Sewer, LLC., 1,691 Google reviews at 4.8★, the most of 51 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
51 Wood River septic service companies are ranked here by CR Score, from ten published factors. 11 are open 24/7, 23 open Saturdays and 18 open Sundays, based on posted hours. The median Google rating is 4.6★ across 51 rated businesses.
Top 10 septic service companies in Wood River at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Nolen Septic Services | 63 | 5.0★ (237) | Edwardsville, 10 mi away | 24/7 | Overall |
| 2 | Mitchell Environmental | 56 | 5.0★ (212) | Belleville, 17 mi away | — | — |
| 3 | V1 Environmental | 55 | 5.0★ (84) | Collinsville, 13 mi away | — | — |
| 4 | Pierson Plumbing Sewer & Drain L.L.C | 54 | 4.8★ (169) | Saint Charles, 22 mi away | 24/7 | Emergencies |
| 5 | Affordable Sewer Repair By Barley Excavating | 54 | 5.0★ (14) | Edwardsville, 8 mi away | 24/7 | — |
| 6 | Maplewood Plumbing & Sewer, LLC. | 54 | 4.8★ (1,691) | St. Louis, 20 mi away | — | Most reviews |
| 7 | Gene's Septic Tank Cleaning | 53 | 5.0★ (24) | Upper Alton, 16 mi away | Sat | — |
| 8 | Miller Septic | 52 | 4.7★ (19) | Troy, 17 mi away | — | — |
| 9 | AWS Sewer & Septic, Inc. | 52 | 4.8★ (6) | Edwardsville, 4 mi away | — | — |
| 10 | Nelson Plumbing & Sewer Services CO. | 52 | 4.6★ (14) | St. Louis, 14 mi away | 24/7 | — |
The 51 best septic service companies in Wood River, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Belleville, 17 mi away
56/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 212 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Collinsville, 13 mi away
55/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 84 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saint Charles, 22 mi away
54/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 169 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Edwardsville, 8 mi away
54/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Louis, 20 mi away
54/100CR ScoreRanked #6 because of its Google rating and review volume: 4.8★ from 1,691 Google reviews, the most in Wood River.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Upper Alton, 16 mi away
53/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ 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 Troy, 17 mi away
52/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.7★ from 19 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Edwardsville, 4 mi away
52/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.8★ from 6 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Louis, 14 mi away
52/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.6★ from 14 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Louis, 17 mi away
51/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.3★ from 29 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saint Ann, 19 mi away
51/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.0★ from 177 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Belleville, 17 mi away
51/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Louis, 17 mi away
50/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.7★ from 28 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#15 TMK Plumbing
Based in Godfrey, 13 mi away
50/100CR ScoreRanked #15 because of its Google rating and availability: 5.0★ from 16 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in East Alton, 2 mi away
50/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.2★ from 41 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bridgeton, 18 mi away
49/100CR ScoreRanked #17 because of its Google rating and trade focus: 3.7★ from 6 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Highland, 17 mi away
49/100CR ScoreRanked #18 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 St. Louis, 16 mi away
49/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.8★ from 8 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Louis, 18 mi away
49/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.3★ 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 Granite City, 10 mi away
49/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.4★ from 53 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Florissant, 11 mi away
49/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.7★ from 3 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Spanish Lake, 19 mi away
48/100CR ScoreRanked #23 because of its Google rating and review volume: 4.9★ from 76 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Creve Coeur, 24 mi away
48/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Louis, 22 mi away
48/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.3★ from 15 Google reviews, listed on Google as “Plumber”.
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 51 ranked septic service companies here; the rest are on their profiles.
Also serving Wood River
16 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 |
|---|---|---|
| 3rd Generation Sewer Services | 3.0★ (2) | 5 mi |
| Biologix Products Group | 5.0★ (1) | 20 mi |
| Burke Plumbing | 12 mi | |
| C C Drain & Sewer Cleaning Co | 9 mi | |
| City Home Services Llc (Septic & Sewer) | 1.0★ (1) | 7 mi |
| D-A-C Home Inspections | 5.0★ (1) | 18 mi |
| Drain Cleaning St Louis | 5.0★ (1) | 25 mi |
| E Plumbing and Sewer | 5.0★ (2) | 16 mi |
| Gen x construction | 15 mi | |
| Kelmer Plumbing & Sewer | 5.0★ (2) | 10 mi |
| Landis Environmental Sewer Services | 5.0★ (1) | 13 mi |
| Mario's Sewer & Drain Cleaning, LLC | 23 mi | |
| Miller Septic | 5.0★ (1) | 21 mi |
| Ross Excavating | 14 mi | |
| Royale Sewer and drains | 16 mi | |
| SweenCo Sewer Rehabilitation | 5.0★ (2) | 22 mi |
How we ranked Wood River septic service companies
We scored 51 Wood River 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 Wood River 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 Wood River: frequently asked questions
Who is the best septic service company in Wood River?
By CR Score, the highest-ranked septic service company in Wood River, IL is Nolen Septic Services with a CR Score of 63/100. It has 5.0★ from 237 Google reviews. It is open 24/7. Mitchell Environmental (#2) and V1 Environmental (#3) follow. We ranked 51 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Wood River?
ContractorsRanked ranks 51 septic service companies serving Wood River, IL. Another 16 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Wood River are open 24/7?
11 ranked septic service companies in Wood River post 24/7 hours. The highest-ranked are Nolen Septic Services (#1), Pierson Plumbing Sewer & Drain L.L.C (#4) and Affordable Sewer Repair By Barley Excavating (#5). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Wood River work on weekends?
23 of 51 ranked septic service companies post Saturday hours and 18 post Sunday hours. The highest-ranked open Saturdays are Nolen Septic Services (#1), Pierson Plumbing Sewer & Drain L.L.C (#4) and Affordable Sewer Repair By Barley Excavating (#5). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Wood River septic service companies have?
The median Google rating among 51 rated septic service companies in Wood River is 4.6★, with a median of 16 reviews. Maplewood Plumbing & Sewer, LLC. has the most, 1,691 reviews, and ranks #6. 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 Wood River count in this ranking?
Yes, if they are within 25 mi of the Wood River 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 Wood River
- November 2026: CR Scores recalculated for 51 septic service companies serving Wood River.
- November 2026: 1 duplicate listing merged.
More septic service companies and Wood River pages
Septic service companies near Wood River
- Septic service companies in Upper Alton, IL46 ranked
- Septic service companies in Alton, IL49 ranked
- Septic service companies in Godfrey, IL39 ranked
- Septic service companies in Edwardsville, IL41 ranked
- Septic service companies in Glen Carbon, IL50 ranked
- Septic service companies in Granite City, IL69 ranked
- Septic service companies in Collinsville, IL54 ranked
- Septic service companies in Troy, IL39 ranked
- Septic service companies in East Saint Louis, IL68 ranked
- Septic service companies in Fairview Heights, IL59 ranked
Other trades in Wood River
- Roofers in Wood River662 ranked
- Plumbers in Wood River246 ranked
- Electricians in Wood River155 ranked
- HVAC contractors in Wood River314 ranked
- General contractors in Wood River356 ranked
- Painters in Wood River47 ranked
- Landscapers in Wood River76 ranked
- Handymen in Wood River36 ranked
- Kitchen remodelers in Wood River178 ranked
- Bathroom remodelers in Wood River186 ranked
- Flooring contractors in Wood River140 ranked
- Tile installers in Wood River11 ranked
- Drywall contractors in Wood River6 ranked
- Concrete contractors in Wood River138 ranked
- Fence contractors in Wood River84 ranked
- Deck builders in Wood River98 ranked
- Siding contractors in Wood River279 ranked
- Window installers in Wood River188 ranked
- Gutter installers in Wood River134 ranked
- Insulation contractors in Wood River33 ranked
- Solar installers in Wood River59 ranked
- Garage door repair companies in Wood River66 ranked
- Foundation repair companies in Wood River73 ranked
- Tree services in Wood River171 ranked
- Masonry contractors in Wood River101 ranked
- Water damage restoration companies in Wood River246 ranked
- Home builders in Wood River212 ranked
- Demolition contractors in Wood River36 ranked
- Window cleaners in Wood River9 ranked
- Pressure washing companies in Wood River18 ranked
- Pest control companies in Wood River66 ranked
- Paving contractors in Wood River85 ranked
- Auto glass repair shops in Wood River83 ranked
- Excavating contractors in Wood River56 ranked
- Pool builders in Wood River104 ranked
- All contractors in Wood River