Tips for Cleaning Concrete Stormwater Pits

by | Nov 8, 2022 | Home Improvement | 0 comments

Stormwater cleanup is a complex issue that requires a variety of skills and equipment. Homeowners can help to ensure the water from storms does not back up into their homes by cleaning out concrete stormwater pits. However, though the act of remedying these puddles can be easy, it’s also important to understand the complexities of stormwater management.

What is a stormwater pit?

A stormwater pit is a drainage hole located in the ground which collects rainwater runoff from roof and gutters and later seeps into the soil. The waste water from parking lots, driveways and other land uses often accumulate in these pits, which can be large and relatively deep. Because this water is not expected to be released to the environment, a concrete stormwater pit may remain uncovered and untended. This can result in dense, impassable floodwaters if left unchecked. Cleaning a stormwater pit is an important part of any stormwater management program. Regularly picking a pit and shoveling away the accumulated materials can help to keep pollutants out of the ground water. It may also allow for better runoff and infiltration of water into the ground which can reduce water flow and pollution in the stormwater system.

How to Clean a Stormwater Pit

The first step to cleaning a concrete stormwater pit is to know the type of pit. If the pit is relatively small, you can simply remove the debris and store it in a plastic bag. If the pit is very large, you may want to hire a professional to help with the job. There are many different types of stormwater pits and it is important to know the ones which are most likely to come into contact with your home’s water system. If possible, try to identify the source of the runoff so that you can clean it appropriately.

For example, if the runoff comes from a garage, clean that first. Once the source is determined, use equipment to address the flooding issues which may exist. Use a garden hose to rinse away any excess concrete and gravel which may be in the pit. Make sure to rinse off both the bottom of the pit and the soil in which it is located. Once the debris is removed, empty the pit and remember to keep it clean and dry. If your stormwater pit is located outside, be sure to keep it away from trees and other vegetation which may be able to capture rainfall which would otherwise fall into your home.

What to Do with Rain Water after Cleanup

After you clean a stormwater pit, the next step is to remove the water from the ground. This can be done manually by scooping out the material from the pit, or through the use of a drainage machine. These machines can help you remove up to 90 percent of the water from the ground in just a few days. However, if you choose to remove the water manually, make sure to keep the ground moist so that the material is properly removed from the pit. This will help to prevent silt and other pollutants from building up in the soil which can be released into the water supply.

Depending on the type of stormwater pit, you may be able to collect the water directly from the street or use a septic tank system. If you choose to collect the water from the street, ensure that there is a proper drainage system in place which can collect the water and send it away from your house. Also, if possible, try to collect rainwater during the week so that the pollutant load is lower during the dry season.

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