"stormwater" vs "storm water"

Question

"stormwater" vs "storm water"

Both "stormwater" and "storm water" are correct, but "stormwater" is more commonly used as a single word in technical and environmental contexts. However, both forms are acceptable depending on the preference of the writer or the style guide being followed.

Last Updated: March 19, 2024

The term "stormwater" refers to water from precipitation that flows over surfaces and is not absorbed into the ground. It is commonly used in discussions related to drainage systems, pollution control, and environmental management.

Examples:

The city implemented a new stormwater management plan to reduce flooding.
The stormwater runoff from the parking lot carries pollutants into the nearby river.
The construction project includes measures to capture and treat stormwater.
The stormwater retention pond helps prevent erosion and filter pollutants.
The regulations require businesses to manage stormwater to protect water quality.

Alternatives:

storm water
rainwater runoff
precipitation drainage
surface water runoff
storm drainage

Using "storm water" as two separate words is less common but still acceptable. It may be preferred in more formal or general writing where clarity or emphasis on the separate components is desired.

Examples:

The storm water management system was designed to handle heavy rainfall.
The report highlighted the impact of storm water pollution on aquatic ecosystems.
The city council discussed ways to improve storm water drainage in the neighborhood.
The company invested in storm water treatment technologies to protect the environment.
The regulations address the management of storm water to prevent contamination.

Alternatives:

stormwater
rainwater runoff
precipitation drainage
surface water runoff
storm drainage

Answer 1

stormwater

This is correct and commonly used, especially in technical and environmental contexts.

Answer 2

storm water

This is also correct, but less commonly used compared to "stormwater."

"stormwater" vs "storm water"

stormwater

storm water

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