Name of Project: Mississippi Watershed Management Organization (MWMO)
Type of Reuse System: Cistern
Overview: The cistern, located at the MWMO, utilizes rooftop runoff from the main office area roof to water trees in a trench system.
Location: Mississippi Watershed Management Organization, 2522 Marshall Street NE, Minneapolis 55418
Owners: Mississippi Watershed Management Organization
Contractors: Meisinger Construction-general contractor for facility construction
Operators: Mississippi Watershed Management Organization
Concrete Slab - 💲 5,200 Cistern (including piping) – 💲23,700 Rain Leader - 💲 8,400
additional plumbing would be needed if plumbed into the building to be used as grey water
Type and size of system: 4,000 gallon capacity CorGal Water Tank, volume annual dependent on rainfall, filled by roof runoff only
Year of Completion: 2012
Drivers/Stormwater Goals: To water trees, reduce stormwater runoff that reaches the river, infiltrate rainwater. Future use as grey water in facility.
Funding (sources): Public – MWMO funding
Photos: (include location and who took the picture) Photos by MWMO Staff
Monitoring Total Suspended Solids, VSS, bacteria, once every 3 months
Design flaws – the plumbing was not correct and all the water drained out, the rain leader diverter operation was not intuitive. Additionally plumbing code hindered process of connecting to facility to be used as grey water. Staff opted to do this at a later time once plumbing codes were updated and other projects set precedence.
For more information contact:
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The Oneka Ridge Golf Course project in the City of Hugo, collects and stores stormwater runoff from nearly 1,000 acres of land upstream of Bald Eagle Lake and uses it, instead of pumped groundwater, to irrigate 116 acres with the golf course. For more information, go to the Rice Creek Watershed District web page
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Carver County has five sites where stormwater is being to irrigate balllfields and turf. They are Beise Addition, Chevalle, Club West, Copper Hills and Waconia School District. Carver County Watershed Management Organization also has stormwater Reuse Guidelines.
The City of Cottage Grove installed a rainwater harvesting system that captures, stores and cleans City Hall rooftop runoff, which is then used to irrigate planting areas throughout the site. The system reduces the City's annual water usage by 570,000 gallons. This project was partially funded with a grant from the South Washington Watershed District. For more information, contact Jennifer Levit, City of Cottage Grove at firstname.lastname@example.org
The City of Lakeville has a stormwater pond irrigation system located in King Park. The project was completed cooperatively by the City of Lakeville and the Vermillion River Watershed Joint Powers Organization.
Edison High School in Northeast Minneapolis will be irrigating the athletic field using stormwater runoff from the gymnasium roof and new plaza. For more information, go to the Mississippi Watershed Management Organization's web site.
The City of Roseville and the Capitol Region Watershed District are constructing a project to treat stormwater and store it for use as irrigation at the softball field at Upper Villa Park.
The City of St. Paul's Lowertown Ball Park (CHS Field) is using rainwater for toilet flushing and for irrigation of the ballpark. The cistern was installed in February, 2015 and is now operational. For more information, contact Wes Saunders-Pearce/Water Resources Coordinator at 651- 266-9112 or Wes.Saunders-Pearce@ci.stpaul.mn.us. Information about the project (including an informative video) is available at the Metropolitan Council's web site .
Great River Energy in Maple Grove: Rainwater from the rooftop is collected in a 20,000-gallon cistern, treated with ultraviolet light, and used for toilet and urinal flushing.
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The City of Shoreview's maintenance facility captures rain water runoff from the roof in an underground tank that is used for toilet flushing and vehicle washing. For more information contact Mark Maloney at the City of Shoreview: email@example.com
The University of Minnesota's 17th Avenue Residence Hall is collecting rainwater from the roof, holding it in a 35,000 gallon cistern and using the water to flush 200 toilets. For more details about this project, visit the Metropolitan Council's web site.
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