Parking Lot Drainage

Stormwater Collection & Discharge Systems for Parking Lots & Impervious Surfaces

Commercial Pumping Systems

You Can Pump Storm Events or Pump to Detention/Discharge

Stormwater pump stations for parking lot drainage or building drainage can be engineered to pump the event or to pump to a discharge point at a specified rate. Pumping the storm event means that the system will effectively “ramp up” its pumping to match the flow incoming from the parking lot storm drain.

Romtec Has Experience & Expertise Engineering Pump Stations for Stormwater

When it comes to parking lot drainage and other stormwater, Romtec Utilities completes several of these projects every year. Romtec’s engineers understand parking lot drainage pump stations. We make sure your pump station functions exactly as needed at your specific location.

Get a New Pump Station with Our Superior Lead Times

Many parking lot drainage pump stations are an aspect of new construction, but these pump stations may also be needed at an existing site prior to the next storm season. Romtec Utilities provides prefabrication, staged deliveries, install advisors, and other services to provide the best lead times possible for any pump stations.

Fully Traffic-Rated Pump Stations for Installation in a Parking Lot or Street

Your pump station will be fully traffic-rated to be installation in the parking lot or at another location with anticipated vehicle traffic. Romtec Utilities will engineer your systems structural components and hatches to be suitable in a traffic-rated application.

View Parking Lot Drainage Projects

takara sake
Takara Sake USA Inc. | Food-Process Pump Station
400 GPM

In the Takara Sake project, Romtec Utilities supplied an industrial food-process pump station to Takara Sake USA Inc., a Sake manufacturer based in Berkeley, California.

Net Lease Alliance 1
Net Lease Alliance | Stormwater Lift Station
200 GPM | 12.4′ TDH

NLA Spring Valley LLC was constructing a commercial development and in need of a stormwater lift station. This Romtec Utilities stormwater pump system was needed for small and 100-year storm events for a commercial development.

Sprouts at Mira Mesa | Low-Flow Stormwater Pump Station
54 GPM | 29′ TDH

Sprouts, a new health-focused grocery store at the Mira Mesa Mall in San Diego, California required a new stormwater pump station to handle low flows of stormwater.

Long Beach Exchange Retail
Long Beach Exchange Retail | Five Identical Stormwater Pump Stations
150 GPM | 15.9′ – 18.7′ TDH

Romtec Utilities designed and supplied five stormwater pump stations for a new commercial development in Long Beach, California. All five of the pumping systems are nearly identical and are engineered with Ebara 2 hp submersible pumps.

Westfield Valley Fair Mall | Parking Lot Stormwater Runoff Pump Station
31 GPM | 10.7′ TDH

The revitalization of a large mall in Santa Clara, CA required a new pump station to handle low flows of stormwater runoff from a section of the parking lot. This system utilized an economic design with a 4-foot ID precast concrete wet well, schedule 80 PVC discharge piping, and small ½ hp Weil pumps in a duplex configuration.

Bay 101 Casino Logo
Bay 101 | Six Low-Flow Stormwater Pump Stations
31-187 GPM | 10.2′-20.6′ TDH

The new Bay 101 casino required 6 stormwater pump stations to handle low flows of stormwater in San Jose, California. Each pump station will help serve new hotels as this casino facility expands. These pump stations needed to meet the low flow requirements while maintaining consistent head conditions.

Getting Parking Lot Drainage System



Romtec Utilities provides full engineering and design services to meet the specific goals of your project. Romtec Utilities’ Engineers are experts in water conveyance systems across a wide array of water types and applications. We work with our clients through every step of the process, from preliminary designs and budgetary estimates, submittal and review processes, installation, and all the way through start-up, training, and warranty.


Project Support

With Romtec Utilities you gain the support of our dedicated project management team at every step-from planning through installation. Romtec Utilities covers a vast scope of services that help execute the design, supply, construction, testing, and training of your pump system to ensure its success at the site location.



Romtec Utilities provides a high level of system prefabrication prior to delivery of the system to the jobsite. This greatly reduces construction cost and installation time, as well as potential project delays and change orders. This high level of prefabrication can often reduce installation time from weeks to days. Additionally, Romtec Utilities takes pride in our quality control processes, ensuring that when the system is delivered to the job site everything will function as designed.



Romtec Utilities ensures the quality and success of every pumping system from the early stages of design, all the way through installation and construction. Romtec Utilities will send experienced installation advisors to the site who will advise the installing contractor throughout the installation process providing all parties with the reassurance that the station is constructed and ultimately functioning as designed.



Romtec Utilities’ startup, testing, and training services are essential to the success of any pumping system. Following installation our technicians are on-site working directly with all parties to field check the control panel, operate the pumps, perform system testing, and provide world class training to all maintenance personnel.



With Romtec Utilities, every complete pump station is covered with a standard one-year warranty. Romtec Utilities also provides ongoing support from our entire team throughout the lifetime of our products. This support is provided to ensure that every pump and lift station project is successful.