A Powerful Tool in the Fight Against Basement Flooding in Maine
Sump pumps are one of the most effective ways to prevent basement flooding and water damage. At Evergreen, we install high-performance sump pumps that are built to last and designed to work in harmony with our comprehensive basement waterproofing services.


How a Sump Pump Works – And Where It Fits in Your Basement or Crawlspace Waterproofing Plan
A sump pump collects groundwater and stormwater that drains into your basement’s sump pit – and pumps it out from your home – before it can cause flooding, structural damage, or mold. Here’s how we install them:
1. We assess your basement’s water situation
Before we install anything, we evaluate your basement’s layout, drainage, and where water is coming in. This ensures your sump pump is placed in the most effective location – usually the lowest point of the slab.
2. We install a sump pit, with a liner and lid that are radon-tight!
We excavate a deep, generously-sized sump pit to prevent short cycling and extend pump life. Our pit liners are built from heavy-duty, corrosion-resistant materials. We also include an airtight, radon-safe lid with a radon-safe drain in the top. This not only keeps debris out but protects the home from radon and soil gases.
3. We connect your sump pump to interior drainage
Your sump pump may be paired with an interior French drain that brings water from around the perimeter of your basement to the pump. Our pit liners integrate seamlessly with the Hydraway drainage systems we install.
4. We install a powerful, high-performance pump
Our pumps are built for Maine’s conditions – designed to run reliably, move high volumes of water quickly, and last for years with minimal maintenance.
5. We add a battery backup system for power outages
Power outages and Nor’easters often go hand in hand, so we install secondary pumps with a battery that is constantly topped off that keep your sump pump running when you need it most.
6. We clean up and walk you through the system
Before we leave, we make sure everything is neat, safe, and tested. We show you how it all works and answer any questions -so you feel confident and protected.
High-performance sump pumps are just one basement upgrade we may recommend to help keep your home dry, healthy, and efficient. Other improvements may include:
- Basement insulation & air sealing
- Interior french drains
- Vapor barriers
- Dehumidification & fresh air ventilation systems

The Evergreen Difference
There are companies that offer sump pump installation. We offer peace of mind for your Maine home.
When you work with Evergreen to keep water and moisture out of your basement, you get:
- Sump pumps built for heavy use and long life
- Backup systems that keep your basement protected during power outages
- Pumps integrated into a comprehensive waterproofing system
- A team that’s thinking about air quality, energy use, and radon too – not just standing water
Whether you’re in Portland, Rockland, or anywhere along the coast, we design sump pump systems that are custom-fit for your home and built to perform in Maine’s toughest weather. We’re here to make sure your basement stays dry, healthy, and protected – not just this season, but for years to come.


Do You Need a Sump Pump? Let’s Find Out.
Every basement or crawlspace is different. Some homes need a pump and a drain system. Others don’t. Our consultation starts with your home’s history, water patterns, and overall conditions – then builds a plan from there.