Sewer common questions

We answer frequently asked questions about the sanitary sewer system.

Answers to common questions

What's a sanitary sewer system?
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What's a sanitary sewer lateral?
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What's the difference between a storm drain system and a sanitary system?
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What's the difference between a separate sanitary sewer system and a combined sewer system?
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What's a sanitary lift station?
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How does Minneapolis treat wastewater?
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What's the purpose of vapor traps?
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What's the purpose of the roof vent?
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What problems can occur?
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Contact us

Public Works

Sewer and Storm Drain Unit

Phone

24-Hour Hotline 612-673-5625

Stand-by employee 612-490-5568 (outside business hours)

Call 311 for non-urgent issues

Hours

7 a.m. to 3:30 pm

Call the sewer operations stand-by employee outside normal business hours.