Sump Pump FAQs in MD

Sump Pumps

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Do I need a sump pump?

Basements and crawl spaces are prone to water infiltration. Having a sump pump, ready to go at all times, would ensure your foundation is protected against flooding, especially during storms.

A sump pump alone, however, can only do so much. To completely waterproof your basement, you need to give it a full waterproofing treatment, by addressing the causes of infiltration and humidity and installing effective drains.

What is the best sump pump for my basement?

The perfect sump pump for your basement would be one that is able to handle any volume of water it gets, at any time of the year, while also being reliable and durable. The experts at Maryland Mold and Waterproofing will visit your basement and point out a pump that adequately fits your needs.

How do I choose the right sump pump for my basement?

Sump pumps come in different power and volume capacities. Some pumps are also more reliable and durable than others, with better activation mechanisms and measures against overheating. If you are unsure about which pump to purchase, let the experts at Maryland Mold and Waterproofing help you make a good choice.

How to keep the sump pump working when the power is out?

Sump pumps need electrical power to run. On the occasion of a power cut, having a battery backup would provide a much-needed alternative source of power. During a storm, this could save your basement from flooding, preventing damage and repair costs.

Do I need a backup sump pump?

If you have a whole house generator for power cut emergencies, then a battery backup sump pump would be redundant. Otherwise, it is a very good idea to have one. This would mean one less thing to worry about during a storm-caused power outage.

Maryland Mold and Waterproofing provides single and dual battery backup systems to cover your basement protection during power cuts. Our batteries kick in automatically and self-recharge once power gets restored.

I have a working sump pump, but my basement is still wet. Why?

Some reasons why your current sump pump may not be handling its job may include:

  • The sump pump is not powerful enough to handle the volume of water it’s getting.
  • The sump liner or basin is too small to contain all the water, so the basin overflows.
  • The drainage system is clogged or collapsed.
  • The sump pump was not installed in the lowest point of the basement
  • The drainage systems were not installed with the correct pitch to divert all the water to the sump pump liner.
My sump pump is churning but not pumping any water. Why?

Sump pumps have a switch that activates when a floating piece is lifted by a level of water. If this switch is broken or misplaced, the pump might be kept running unnecessarily.

Why is my sump pump running so often?

If nothing is out of order, then your pump is just getting a larger volume of water than usual. This may happen due to an increase in rainfall, but could also be caused by nearby construction sites or changes in the surrounding city sewers.

My sump pump is running hot.

Sump pumps heat up when they run for extended periods of time, and that is normal and expected. However, old or subpar pumps may overheat and break, even while being submerged in cool water.

Modern pumps, as the ones provided by Maryland Mold and Waterproofing, have a much higher resistance to overheating, due to being more energy-efficient and made of higher-grade materials.

My sump pump is not kicking in.

Check if the pump was not accidentally unplugged or if the circuit breaker was not tripped. Check if the float switch is unobstructed to move as water levels rise and lower in the basin.

If none of this solves the problem, call Maryland Mold and Waterproofing.

My sump pump is running non-stop.

If there is no water but the pump is still running, chances are the float switch is stuck on the “ON” position. Call Maryland Mold and Waterproofing for assistance.

My sump pump smells

Sometimes, debris and even small animals find their way into sump pump liners without lids. Standing water in the liner could be ridden with foul-smelling bacteria. The groundwater entering your basement could be getting mixed with sewer waste from surrounding areas.

The smell coming from your pump and liner isn’t necessarily harmful. Still, it is unpleasant enough to warrant a visit by Maryland Mold and Waterproofing. We will come over and make sure the air coming from your basement is fresh and clean.

See Why Maryland Homeowners Recommend Us

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Liz Cipriani
August 17, 2026
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We had some bathroom mold that I was worried about and a previous team had come out and told us that it was a full gut job. Thankfully, we decided to get a second opinion, and John assured us that it was just surface level and easily saved us tens of thousands of dollars!
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Rick Woodhouse
August 10, 2026
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MMW’s crew, Marcel and Hugo were excellent. They arrived on time, introduced themselves and told us what we could expect as to what they would be doing. They took great care in moving furniture out of the rooms they were working in. They then sealed off the rooms they were in so as not to affect the rest of our home. Throughout the remediation process Marcel kept us informed of what they were doing. When they left they cleaned up and left our home looking the same as when they arrived. We were very impressed with Marcel and Hugo.
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Sabeth Siddique
July 29, 2026
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Nick provided candid, credible perspective on solving the issue
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Karen Russell
July 23, 2026
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Brian Costello
July 6, 2026
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John and his team were outstanding ! From the initial appointment to the service, it was first class all the way. John is very knowledgeable and truly cares about his customer. I would highly recommend Maryland Mold and Waterproofing. A+
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Michelle Althouse
July 2, 2026
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Oliver Nutt
June 29, 2026
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Exceptional service. Very friendly and helpful team, and high quality finish.
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Kodili Ezekwerre
June 11, 2026
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I’m very happy with the work that Dylan and Hugo did. Everything was done in a timely manner
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Laura Heslop
June 3, 2026
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Nick and his team are very professional and knowledgeable. We didn't end up having a mold problem, but Nick came out to look everything over and provided options regarding a dehumidifier. We highly recommend MD Mold and Waterproofing.
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beth rose
June 2, 2026
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Prompt for appointment. Honest in what needed to be done / not done. Recommended someone who could do the work needed not involving waterproofing. Very pleased.

Service Area

Maryland Mold & Waterproofing offers a variety of services from waterproofing to foundation repairs. We offer the following services in your area, basement waterproofing, crawl space encapsulation, sump pump installation and service, basement crack repair, vapor barriers and moisture control.