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Best Septic Service Companies in Morristown, TN (2026)

13 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Morristown: Enviro Septic, CR Score 66/100; 4.8★ from 270 Google reviews; open 7 days a week.

  2. 2

    Best for emergencies (open 24/7): Advanced Septic, posts 24/7 hours; ranked #2 of 13.

  3. 3

    Most-reviewed: Smokey Mountain Septic, 150 Google reviews at 5.0★, the most of 13 ranked after Enviro Septic; ranked #3.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

13 Morristown septic service companies are ranked here by CR Score, from ten published factors. 4 are open 24/7, 11 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 4.7★ across 13 rated businesses.

Top 10 septic service companies in Morristown at a glance

Top 10 septic service companies in Morristown at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Enviro Septic664.8★ (270)MorristownSat · Sun · EveningsOverall
2Advanced Septic624.6★ (29)Morristown24/7Emergencies
3Smokey Mountain Septic615.0★ (150)Knoxville, 10 mi awaySat · EveningsMost reviews
4Grace Septic LLC614.8★ (56)MorristownSat · Evenings—
5Rainbow Septic Service604.6★ (51)MorristownSat—
6Superior Plumbing & Septic594.7★ (85)MorristownSat · Sun—
7Relief Septic Repair & Services Inc.594.3★ (58)MorristownSat—
8Rocky Top Septic & Excavating Services LLC564.9★ (82)Knoxville, 24 mi awaySat—
9Roto-Rooter of Morristown TN543.7★ (38)Morristown24/7—
10Poor Boy Septic Service534.8★ (19)Greeneville, 19 mi away24/7—

The 13 best septic service companies in Morristown, 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.

  1. Ranked #1 in Morristown

    #1 Enviro Septic

    Based in Morristown

    66/100CR Score

    Ranked #1 because of its Google rating and review volume: 4.8★ from 270 Google reviews, the most in Morristown.

    • 4.8★ from 270 Google reviews
    Hours
    Mon–Sun 8 AM–8 PM
    Address
    5553 Jeffrey Ln, Morristown, TN 37813
    View profile for Enviro Septic(423) 473-7842

  2. #2 Advanced Septic

    Based in Morristown

    62/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.6★ from 29 Google reviews, listed on Google as “Septic system service”.

    • 4.6★ from 29 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    331 Mt Zion Rd, Whitesburg, TN 37891
    View profile for Advanced Septic(423) 754-7025

  4. #4 Grace Septic LLC

    Based in Morristown

    61/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.8★ from 56 Google reviews, listed on Google as “Septic system service”.

    • 4.8★ from 56 Google reviews
    Hours
    Mon–Sat 8 AM–7 PM · Sun closed
    Address
    158 Repass Rd, Mooresburg, TN 37811
    View profile for Grace Septic LLC(423) 923-7126

  5. #5 Rainbow Septic Service

    Based in Morristown

    60/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.6★ from 51 Google reviews, listed on Google as “Septic system service”.

    • 4.6★ from 51 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat 8 AM–2 PM · Sun closed
    Address
    2944 Valley Home Rd, Morristown, TN 37813
    View profile for Rainbow Septic Service(423) 586-5335

  12. #12 Milks Enterprises Inc.

    Based in Sevierville, 23 mi away

    50/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.7★ from 19 Google reviews, listed on Google as “Septic system service”.

    • 4.7★ from 19 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    Address
    3173 Newport Hwy, Sevierville, TN 37876
    View profile for Milks Enterprises Inc.(865) 453-6624

  13. #13 MC Septic Services

    Based in Greeneville, 25 mi away

    49/100CR Score

    Ranked #13 because of its Google rating and trade focus: 3.8★ from 28 Google reviews, listed on Google as “Septic system service”.

    • 3.8★ from 28 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    Address
    250 State St, Greeneville, TN 37743
    View profile for MC Septic Services(423) 564-9638

Also serving Morristown

4 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.

Unranked septic service companies serving Morristown
BusinessGoogle ratingDistance
AAC HAULING & EXCAVATION5.0★ (2)17 mi
Burnett Excavating, Grading and Landscaping20 mi
Cedar Branch Excavating, LLC2.0★ (1)17 mi
Rooted Land Works18 mi

How we ranked Morristown septic service companies

We scored 13 Morristown 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Morristown data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Septic service companies in Morristown: frequently asked questions

Who is the best septic service company in Morristown?

By CR Score, the highest-ranked septic service company in Morristown, TN is Enviro Septic with a CR Score of 66/100. It has 4.8★ from 270 Google reviews. It is open 7 days a week. Advanced Septic (#2) and Smokey Mountain Septic (#3) follow. We ranked 13 septic service companies on ten factors, last updated November 3, 2026.

How many septic service companies are there in Morristown?

ContractorsRanked ranks 13 septic service companies serving Morristown, TN. 7 of them are based in Morristown; the rest serve it from nearby towns. Another 4 within 25 mi are listed but not ranked yet. Counts are as of November 2026.

Which septic service companies in Morristown are open 24/7?

4 ranked septic service companies in Morristown post 24/7 hours. The highest-ranked are Advanced Septic (#2), Roto-Rooter of Morristown TN (#9) and Poor Boy Septic Service (#10). Hours come from each business's Google listing as of November 2026, so call to confirm.

Which septic service companies in Morristown work on weekends?

11 of 13 ranked septic service companies post Saturday hours and 6 post Sunday hours. The highest-ranked open Saturdays are Enviro Septic (#1), Advanced Septic (#2) and Smokey Mountain Septic (#3). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Morristown septic service companies have?

The median Google rating among 13 rated septic service companies in Morristown is 4.7★, with a median of 56 reviews. Enviro Septic has the most, 270 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 Morristown count in this ranking?

Yes, if they are within 25 mi of the Morristown 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 Morristown

  1. November 2026: CR Scores recalculated for 13 septic service companies serving Morristown.

More septic service companies and Morristown pages

Other trades in Morristown