Milwaukee Weather Center

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MMSD DEEP TUNNELS

The MMSD Deep Tunnels have prevented more than 125 billion gallons of pollution from getting into Lake Michigan. Thanks to the deep tunnels and many other improvements, MMSD has captured and cleaned 98.4% of all the water and wastewater that's entered the regional sewer system since 1994.

DEEP TUNNEL

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CURRENT STORAGE
79 million gallons

MAX CAPACITY
432 million gallons

LENGTH
21.4 MILES

DIAMETER
17 FT. TO 32FT

DEPTH UNDERGROUND
300 FT.

As of 7/21/19, 9:20 PM

NORTHWEST SIDE DEEP TUNNEL

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CURRENT STORAGE
15 million gallons

MAX CAPACITY
89 million gallons

LENGTH
7.1 MILES

DIAMETER
20FT

DEPTH UNDERGROUND
135ft. TO 175 FT.

As of 7/21/19, 9:20 PM

WATER RECLAMATION FACILITIES

MMSD runs two water reclamation facilities, Jones Island and South Shore, that clean residential and industrial wastewater for 28 communities with approximately 1.1 million people in the Milwaukee area.

SOUTH SHORE WATER RECLAMATION FACILITY

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CURRENTLY TREATING
137 million gallons / day

MAX CAPACITY
275 million gallons / day

As of 7/21/19, 9:20 PM

JONES ISLAND WATER RECLAMATION FACILITY

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CURRENTLY TREATING
268 million gallons / day

MAX CAPACITY
300 million gallons / day

As of 7/21/19, 9:20 PM


MMSD RAIN GAUGE DATA

updated info(Data updated Jul 21, 2019, 9:20:00 PM )

CREATE A CUSTOM RAINFALL REPORT

Want to see how much rain we've had in the last two or three weeks?

  • Click on the date range box and the calendar will appear.
  • Click on a start date, then an end date. Select apply.
  • Look for your custom report on the map above.

 

Select a rainfall date range reset range

This page is automatically updated. The data have not been verified and may contain errors. As data are verified, MMSD reserves the right to make corrections to values as necessary. MMSD is providing this data as is and the user assumes the entire risk of use of this data.


Other Weather Resources

Water Drop Alert

Water Drop Alert - Text: WATERDROP to 797979

While we work to further reduce sewer overflows, major storms can still overwhelm the sanitary sewer system.  

The Watershed Team of Common Ground is taking an innovative approach to reducing water pollution from sewer overflows by issuing text message Water Drop Alerts when large storms threaten the area. When a Water Drop Alert is issued it will be publicized through local media announcements, acting as a reminder to use less water until the storm passes. 

What do you do when an alert is issued?
It's simple. Try to use less water until the storm passes.

  • Hold off on washing dishes
  • Do the laundry tomorrow if there's heavy rain today
  • take a shorter shower 
MMSD Rain Check

Rain Check

Help keep water out of your home, reduce water pollution and save money during heavy rains by conducting a home audit, inside and out. Rain Check can help you identify and correct potential problems that could lead to water damage and more. By managing water where it falls, we can all help reduce the risk of basement backups and water pollution.

Keep My Basement Dry MMSD

Keep Your Basement Dry

If you own a home, you own a sewer pipe. And, most of us don’t maintain that pipe until there’s a problem. Learn about your basement's laterals, foundation drains, and how to prep your home to avoid basement flooding.

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