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​​​​​​NOTICE OF INCREASED WATER/SEWER RATES EFFECTIVE NOVEMBER 2026
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The District Board has approved a water & sewer rate increase. The new rates will begin November 1, 2026. For more information, please view Ordinance 172 and the mailing notice.
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If you have any questions, you may contact Glenbrook Sanitary District at 847-604-8280 or email us at info@gsd.illinois.gov.
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Posted: 7/7/2026
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NOTICE OF AVAILABILTY OF 2025 WATER QUALITY REPORT
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We are pleased to present to you this year's Annual Water Quality Report. This report is designed to inform you about the quality water and services we deliver to you every day. Our constant goal is to provide you with a safe and dependable supply of drinking water. We want you to understand the efforts we make to continually improve the water treatment process and protect our water resources. Glenbrook Sanitary Water District’s source of water is from the City of Highland Park, their supply is obtained from Lake Michigan. A copy of the water source assessment is available upon request by contacting Jean Scher at 847-363-3636, or Click Here.
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Glenbrook Sanitary District
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Posted: 5/27/2026​
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