Septic tank pumping companies · Hidalgo County

Listings last refreshed October 16, 2026

2 Best Septic Tank Pumping Companies in Mercedes

2 septic tank pumping companies in Mercedes, ranked by Pump Score using Google reviews and profile data.

✓ How we rankFree directory, no pay-to-rank

Anyone searching for septic tank pumping in Mercedes, TX usually has a reason. Maybe a drain runs slowly, a sewer smell shows up near the yard, or a toilet gurgles when the washer drains. Mercedes sits in Hidalgo County in the Rio Grande Valley, and two local septic companies serve the 78570 ZIP code. This page helps you compare them, understand what a pump visit involves and set realistic expectations on cost.

Top Rated Septic Tank Pumping Companies in Mercedes Compared

Compare the top picks side by side. Full write-ups follow below.

#Septic CompanyBest forScoreRatingVerified
#1M.A.Y Septic ServiceA local septic company you can call direct5.747 reviews—
#2Angel's Septic Tank ServicesSaturday appointments5.333 reviews—
  1. 1M.A.Y Septic ServiceA local septic company you can call direct5.7
  2. 2Angel's Septic Tank ServicesSaturday appointments5.3

Mercedes Septic Tank Pumping Reviews and Ratings

1

1. M.A.Y Septic Service

Best for: A local septic company you can call direct

5.7Pump Score

1904 Ash Ave47 reviews

Score breakdown and details
Location
Mercedes · 1904 Ash Ave, Mercedes, TX 78570
Track record
Growing review base
Rating
47 Google reviews
Profile
Unclaimed listing (Google data)
Today
See hours on profile
Recommendation6.2
Trust4.9

Confidence: medium

Strengths

  • 47 Google reviews, a well established track record
  • Direct phone number published, no lead form in the way
  • Opening hours published

Watch Out For

No website listed, so confirm services, trade body membership and insurance by phone.

Our take: Our top pick in this area. A Pump Score of 5.7/10 reflects the best combination of rating, review depth and profile completeness here.

2

2. Angel's Septic Tank Services

Best for: Saturday appointments

5.3Pump Score

2424 E Mile 14 N33 reviews

Score breakdown and details
Location
Mercedes · 2424 E Mile 14 N, Mercedes, TX 78570
Track record
Growing review base
Rating
33 Google reviews
Profile
Unclaimed listing (Google data)
Today
See hours on profile
Recommendation5.7
Trust4.7

Confidence: medium

Strengths

  • 33 Google reviews, a well established track record
  • Direct phone number published, no lead form in the way
  • Opening hours published
  • Open on Saturdays

Watch Out For

No website listed, so confirm services, trade body membership and insurance by phone.

Our take: A strong shortlist option with a Pump Score of 5.3/10. Compare availability and price against the septic companies above.

2septic companies ranked
80Google reviews analyzed
1open Saturdays
$300–550typical 1,000 gal pump out

Hiring Local Septic Tank Pumping in Mercedes

Pumping is routine maintenance, not a repair. A crew uses a vacuum truck to remove the sludge and scum that build up in the tank over time. Most tanks need that service every three to five years, though a busy household with a garbage disposal, several people or a heavy laundry schedule can fill a tank faster. On-site sewage facilities in Texas fall under TCEQ rules, so it is reasonable to ask any pumper how they handle the waste they remove from your property.

The sections below cover the two companies in our listings, the steps of a pump visit, warning signs, pumping schedules, aerobic systems, weekend booking, what to keep out of the drain and a short checklist for the day the truck arrives. Use them to decide who to call and what to ask before any work starts.

Comparing the Two Septic Tank Pumping Mercedes TX Companies

Both companies in our listings are based in Mercedes and both use ZIP 78570, so the choice comes down to hours, reviews and what each one says it does. M.A.Y Septic Service has 47 Google reviews, and its own description says it cleans out septic tanks for residential and commercial properties. Its listed hours run Monday through Friday, so a weekday call is the only safe plan with this company.

Angel's Septic Tank Services has 33 Google reviews and lists hours from Monday through Saturday, which gives you one more day to book. Neither listing shows Sunday hours in the data used for this page. When you call either company, confirm the day, the time window and whether the price you hear includes locating the lid and any disposal charge.

CompanyStreet addressPhoneGoogle reviewsListed open days
M.A.Y Septic Service1904 Ash Ave, Mercedes, TX 78570(956) 406-485147Monday to Friday
Angel's Septic Tank Services2424 E Mile 14 N, Mercedes, TX 78570(956) 262-414533Monday to Saturday

What Happens on a Mercedes Pump Day

A routine visit is short when the lid is easy to reach. The sequence below applies to most pumping jobs, no matter which company you choose.

  1. Confirm accessThe crew needs a clear path to the tank and to every access lid. Move vehicles, pets and stored items out of the way before the truck arrives.
  2. Locate and uncover the lidIf the lid is buried under soil or landscaping, expect extra charges for finding and uncovering it. Guide prices for that work run $50 to $200.
  3. Pump the tankA vacuum hose removes the liquid, scum and sludge. Pumpers usually leave a small amount of liquid behind so the bacteria in the tank can keep working.
  4. Inspect the tankMany crews check the baffles, the inlet and outlet tees and the condition of the tank. Ask them to tell you what they found, especially if they see cracks or a damaged outlet.
  5. Close up and recordPut the lid back, clean the area and keep the service receipt with your home records. The date matters when you plan the next visit.

Warning Signs Your Mercedes Tank Is Overdue

Waiting for the next routine date is risky when the tank is already full. The signs below usually mean solids have built up enough to reach the outlet or the drain field. If you see two or more, schedule service instead of waiting.

  • Drains that run slowly in several fixtures at once
  • Gurgling toilets or sinks when water runs somewhere else in the house
  • A sewage smell near the tank, the drain field or indoors
  • Soggy ground, standing water or unusually green grass over the drain field
  • Sewage backing up into a shower or tub drain
  • Pumping records showing more than five years since the last service

How Much Does Septic Tank Pumping Cost in Mercedes?

The table below lists guide ranges for septic work in Texas in 2026. These are not quotes. Actual pricing from M.A.Y Septic Service or Angel's Septic Tank Services depends on tank size, access, location and any add-on work, so call for a figure that fits your property.

For a standard 1,000 gallon tank, the guide range for pumping is $300 to $550. A larger 1,500 gallon or bigger tank runs $450 to $750. An aerobic system pump out is $350 to $650, and a yearly aerobic maintenance contract is $200 to $450. A septic inspection falls between $200 and $500, and a riser and lid installation runs $300 to $800. Use these numbers to judge whether a quote is in range, not as a promise.

Typical 1,000 gal pump out$300 to $5502026 guide price for Mercedes
Septic tank pumping Mercedes, TX
Typical septic tank pumping prices in Mercedes
ServiceGuide price
Pumping
Septic tank pumping (1,000 gallon)Standard residential tank, lid already exposed$300 to $550
Large tank pumping (1,500 gallon+)Bigger homes or two compartment tanks$450 to $750
Aerobic system pumpingTrash, aeration and pump tanks emptied$350 to $650
Locating and uncovering the lidDepends on depth and soil$50 to $200
Grease trap pumpingRestaurants and commercial kitchens$250 to $500
Emergency or weekend calloutAdded to the pumping price$100 to $300
Inspection and maintenance
Septic inspectionVisual and operational check, often for a home sale$200 to $500
Aerobic maintenance contractYearly, three visits as required in many Texas counties$200 to $450
Effluent filter cleaningOften included with a pump out$75 to $150
Repairs and installs
Riser and lid installationSaves digging on every future pump out$300 to $800
Septic or effluent pump replacementPump unit, float switch and labor$800 to $1800
Drain field repairSize, soil and access dependent$2000 to $10000
New aerobic system installedDesign, permit and install$8000 to $18000

Guide prices only, not quotes from listed businesses. Always confirm with your septic company.

How Often Mercedes Homes Should Pump Their Tanks

The three to five year range is the general guideline for a septic tank used by a typical household. It is not a fixed rule. A tank serving a larger family, a home with a garbage disposal running daily or a household that does several loads of laundry on the same day will collect solids faster than a two person home that spreads its water use across the week.

Tank size matters too. A larger tank holds more solids before it reaches a critical level, so the gap between pumps can be longer. A smaller tank fills sooner. The guide prices in the pricing table assume a standard residential tank, and a larger tank moves into a higher price band.

A practical habit is to write the last pumping date on a calendar or in a home file, then book the next visit before the interval runs out. Tanks that go ten or twenty years without service are more likely to produce costly problems in the drain field, which is why the question of going that long without pumping comes up so often.

Aerobic Systems Need Service Beyond a Simple Pump Out

If your Mercedes home has an aerobic unit instead of a conventional tank, both the job and the paperwork change. Aerobic systems use air and mechanical parts to treat wastewater more actively than a standard tank.

Pumping an Aerobic Unit

The unit still collects solids that need removing, so it is pumped as well. Guide prices for aerobic pumping run $350 to $650, which sits above the standard 1,000 gallon range.

Why a Maintenance Contract Matters

Aerobic systems generally need routine service visits, often through a yearly maintenance contract, in addition to pumping. A yearly contract runs $200 to $450 in guide ranges. Before you sign with any company, ask whether it services aerobic units and what the contract covers. The listings used for this page do not confirm which of the two companies offers aerobic service, so that answer has to come directly from the company.

Booking Weekend and After Hours Septic Service in Mercedes

Only one of the two listed companies shows Saturday hours, and neither shows Sunday hours in the data used here. If a backup happens on a weekend, call the listed number first and describe the problem. A weekend or emergency callout carries an extra guide charge of $100 to $300 on top of the pumping cost.

While you wait for a crew, cut back on water use. Skip the laundry, run the dishwasher less and avoid long showers. That slows the flow into the tank and buys time until a truck can arrive.

What Not to Put Down a Mercedes Septic System

Most septic trouble starts in the kitchen and the bathroom. These items build up solids faster, clog the outlet or harm the bacteria that break waste down.

  • Wipes of any kind, including those labeled flushable
  • Grease, cooking oil and fat poured down the sink
  • Large amounts of coffee grounds, eggshells and food scraps from the disposal
  • Diapers, sanitary products and cat litter
  • Paint, solvents, motor oil and pesticides
  • Chemical drain cleaners used as a routine fix
  • Heavy volumes of bleach and antibacterial cleaners

A Checklist Before the Pump Truck Arrives

Ten minutes of preparation saves time and can keep the visit within the guide range, especially if the lid is hard to find.

  • Clear a path to the tank and to every access lid
  • Know where each lid is and whether it is buried
  • Write down the last pumping date and the company you used
  • Note any slow drains, odors or wet spots to describe to the crew
  • Confirm the price, the time window and whether lid location is extra
  • Ask for a written note on what the crew found in the tank

Best Time to Book Septic Tank Pumping in Mercedes

Book a routine pump on a weekday when you can, since M.A.Y Septic Service keeps Monday to Friday hours and Angel's adds Saturday. Schedule the visit before the tank reaches the warning signs, and avoid waiting until after a busy holiday weekend, when extra guests and laundry push more water into the tank. Write the booking date down so the next interval is easy to track.

General Texas booking pattern for septic tank pumping companies, shown as a guide rather than measured local data.

  1. Jan
  2. Feb
  3. Mar
  4. Apr
  5. May
  6. Jun
  7. Jul
  8. Aug
  9. Sep
  10. Oct
  11. Nov
  12. Dec

Frequently Asked Questions About Septic Tank Pumping Companies in Mercedes

Straight answers to the questions homeowners ask before booking a septic company.

Run a septic tank pumping business?

Claim your listing from $10 a month and stand out to local homeowners.

See plans
How much does it cost to pump a septic tank in Texas?

Guide ranges for pumping a 1,000 gallon tank run $300 to $550 in Texas for 2026, and larger tanks run $450 to $750. These are guides, so get a quote from the company for your specific tank.

How often does a 1000 gallon septic tank need to be pumped out?

Most tanks of that size need pumping every three to five years for a typical household. A home with a garbage disposal, a large family or heavy water use may need service sooner.

Can a septic tank go 20 years without being pumped?

Going that long is risky. Solids build up over time and can reach the outlet or the drain field, which often leads to more costly repairs than a routine pump out.

What happens to a toilet when the septic tank is full?

A full tank has no room to take in new wastewater, so toilets and drains may run slowly, gurgle or back up. A backup into the house is a reason to call for service the same day.

What's the worst thing you can put in a septic tank?

Grease, wipes, diapers, sanitary products, paint, solvents and motor oil cause the most trouble. They clog the outlet, add solids quickly or harm the bacteria that break waste down.

How many loads of laundry a day with septic?

The data for this page does not give a single safe number. The usual advice is to spread laundry across the week, since many loads in one day send a large volume of water into the tank in a short time.

Is septic tank pumping in Mercedes TX available on weekends?

Angel's Septic Tank Services lists Saturday hours, and M.A.Y Septic Service lists Monday to Friday. Neither shows Sunday hours in the data used here, so confirm before you plan a weekend visit.

Do I need to pump an aerobic system the same way as a standard tank?

Aerobic systems still collect solids that need removal, and guide pumping prices run $350 to $650. They also generally need a maintenance contract, which runs $200 to $450 a year in guide ranges.

Find Septic Tank Pumping Near Mercedes

Where the septic companies listed above are based.

Open in Google Maps

Do You Run a Septic Company?

Claim your listing from $10 a month, or get featured in your town with a link to your website.

See plans and pricing