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Water Production Division

The City of Highland Park's water treatment facility provides potable water for all water customers. The Water Treatment Plant, located at the east end of Park Avenue on Lake Michigan, is currently rated at 30 million gallons per day (MGD). 

Contracted Municipalities 
The City of Highland Park contractually provides water to the municipalities of Deerfield, Lincolnshire and Bannockburn, while also providing such service to the Glenbrook Sanitary District and Fort Sheridan. The City has the capability to provide water on an emergency basis to Northbrook, Highwood, Lake Forest and Glencoe. Conversely, the City is able to receive water from Lake Forest and Northbrook in the event of an emergency.

Peak Season, Late July through August Facts 
• Summer’s rising temperatures often coincide with rising water use. “Peak” water use describes the time of year when residential water use is at its highest due to an increase in outdoor water use, usually from late July through August. In most areas, the amount of water homeowners use to keep their lawns green or fill their backyard pools will spike during this season—to the tune of about four times as much water or more than they usually use the rest of the year! 

• The average American home uses about 260 gallons of water per day; during peak season, homes can use about 1,000 gallons of water in a day. Some homes use as much as 3,000 gallons on a peak day, or the equivalent of leaving garden hose running for nearly 8 hours! 

• When temperatures rise and rain is scarce, peak water use in single-family homes typically occurs due to lawn and garden watering or when topping off a swimming pool. 

• Experts estimate that 50 percent of the water we use outdoors goes to waste from evaporation or runoff due to overwatering. 

• With the exception of extreme heat waves, peak use typically occurs on weekends as many people use their free time to tend to lawns and landscapes, do laundry, and wash cars. 

Visit the City of Highland Park's Water Conservation Website to learn some simple tips on how to save water outdoors during peak season. 

For more information on the City of Highland Park's Sprinkling Restrictions, which is effective from May 15 until September 15 of each calendar year, please go to Sprinkling Restrictions

For more information on water sciences and knowledge, please visit the American Water Works Association webpage.  

Fix a Leak Week, March 18-25, 2019
Because minor water leaks account for more than 1 trillion gallons of water wasted each year in U.S. homes, the U.S Environmental Protection Agency's WaterSense program promotes Fix a Leak Week during the third week of March each year.  Fix a Leak Week is an annual reminder to Americans to check household plumbing fixtures and irrigation systems for leaks.

For more information please visit our Fixing Water Leaks website.

World Water Day, March 22, 2019

World Water Day is held annually on March 22 as a means of focusing attention on the importance of water.  Celebrated since 1993 by the United Nations General Assembly, World Water Day has grown to become one of the key dates in the UN calendar.  This year’s theme, ‘Nature for Water’, explores nature-based solutions (NBS) to the water challenges we face in the 21st century. The campaign is called ‘The answer is in nature’ and raises awareness of NBS. The central message is that NBS, such as planting trees to replenish forests, reconnecting rivers to floodplains, and restoring wetlands, is a sustainable and cost-effective way to help rebalance the water cycle, mitigate the effects of climate change and improve human health and livelihoods.

For more information please visit the United Nations Water website.

Drinking Water Week, May 5-11, 2019
A safe, reliable water supply is critical to the success of any economy.  It creates jobs, attracts industry and investment, and provides for the health and welfare of citizens in ways ranging from disease prevention to fire suppression.  We often take water supply for granted until it is threatened, either by drought, water main breaks, or some other event. For more than 30 years, the American Water Works Association and its members have celebrated Drinking Water Week – a unique opportunity for both water professionals and the communities they serve to join together to recognize the vital role water plays in our daily lives. 

Please join the City of Highland Park in supporting Drinking Water Week. 

For more information about water visit