car driving in rain

Adapting to the Storm

How Raleigh's Water System Adapts to Changing Rainfall Patterns

North Carolina continues to grapple with the aftermath of Hurricane Helene, which brought significant rainfall to the state. While the storm has passed, the lingering effects of the heavy precipitation are still being felt across the region.

Impact on Water Systems

North Carolina's water systems have experienced a mixed bag with the recent heavy rainfall. 

While there have been challenges, the rain has also provided a much-needed boost to water supplies, reducing the strain on water systems to produce treated water.

"Our water system requires a delicate balancing act,” said Chris Phelps, water treatment manager. “While we need rain, too much or too little can create challenges. It's a constant juggling act to ensure a reliable supply for our community."

Raleigh's water system serves a population of over 620,000 residents, handling an average daily demand of 58 million gallons. This equates to roughly 317 billion 20-ounce bottles of water annually. 

The system's infrastructure is designed to meet these demands, ensuring a reliable water supply for the community.

A typical day for many residents in Raleigh is filled with a bustling morning routine. People are rushing to get ready for work and school, brewing coffee, showering, and grabbing a quick breakfast before heading out the door. This surge in demand puts a heavier burden on the water system.

Thankfully, the Raleigh Water system is designed to handle these peaks, drawing on stored water reserves to ensure a continuous supply. 

Later, as demand subsides, the system replenishes its reserves, preparing for the evening peak. This cycle repeats throughout the week, with weekends bringing their own surge in water usage as families tend to their lawns, cook meals, and enjoy time together at home.

Seasonal Changes

In addition to the daily fluctuations, the water system also faces seasonal pressures.

Imagine a hot, dry summer. Lawns are parched, and everyone's turning on their sprinklers. This increased irrigation demand, combined with the usual household water usage during hot weather, puts a strain on the water system. That's when the importance of rain becomes truly apparent. A steady supply of rainfall can significantly alleviate this strain, reducing the need for excessive irrigation and helping to maintain a healthy balance in the water system.

However, even fall can present its own challenges. Too much rain can be just as problematic as too little. While the temperatures may cool down, the season often brings heavy rainfall and potential flooding, which can also strain the water infrastructure. The goal is to find the right balance that ensures a reliable and sustainable water supply for the community.

"Ideally, we'd like to see consistent precipitation throughout the week to avoid drought conditions and maintain healthy water levels," concluded Phelps. "An inch or so of rainfall spread out over the week would be ideal."

Contact

 

Kimberly Holmes-Iverson
Communications Manager, Raleigh Water
kimberly.holmes-iverson@raleighnc.gov

Lead Department:
Water
Service Categories:
Water Treatment

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