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Case Studies

Rainwater Management Solutions provides services and solutions across a wide range of rainwater harvesting applications.
Our customers include Industrial, Commercial and Residential Developers, Agricultural Enterprises, Institutional and Government Facilities, and End Users.

Commercial


Seagate Media Research Center

Challenge: Retrofitting existing plumbing system to accommodate rainwater harvesting system.

Application: Collecting from 62,000 square feet. Prefiltered with (2) WISY Vortex Fine Filter WFF300

Benefits: For non-potable rainwater reuse to flush toilets, cooling tower makeup, and scrubber makeup
Click here for the Case Study published in the American Society of Plumbing Engineers (ASPE) journal

 

Home Depot

Challenge: Retrofitting existing plumbing system to accommodate rainwater harvesting system.

Application: Collecting from 5,000 square feet of roof area
Prefiltered with (1) WISY Vortex Fine Filter WFF150

TD Ameritrade Headquarters, Omaha, Nebraska

Challenge: Harvest water from roofs to provide for toilets and urinals throughout the 12-story building

Click here for writeup.

 

Naples Children's Museum, Naples, Florida

Challenge: Harvest rainwater from roofs to use for irrigation, toilet flushing, and the waterfall.

Application: Pre-filtered with WFF 300 WISY Vortex Filters. 10,000-gallon cistern

Benefits: Promote environmental stewardship. Provide irrigation for grounds without using potable water, supply water to toilets and also the waterfall

 

Port of Gray's Harbor, Aberdeen, Washington

Challenge: Harvest rainwater from incubator facility to supply water for irrigation onsite

Application: Pre-filtered with WFF 150 WISY Vortex Filters
(2) 8,700-gallon corrugate steel rainwater tanks


Benefits: Promote environmental stewardship
Provide irrigation for grounds without using potable water

Metropolitan Atlanta Rapid Transit Authority (MARTA)

Challenge: Harvest water from train stations to supply water for irrigation plant material onsite.

Application: Prefiltered with WFF 150 Wisy filters 3,100 gallon storage tanks

Benefits: Promote environmental stewardship
Reduce and manage stormwater runoff on site, Provide irrigation for grounds without using potable water

 

Claude Moore Education Complex, Roanoke, Virginia

The renovation project for infill development on First St. in downtown Roanoke. The completed facility will provide space for teaching kitchens for a culinary arts program offered by the Virginia Western Community College.

Challenge: Divert water from rooftop system to supply water for flushing toilets.

Application: Siphonic roof drain system
Two 2,500-gallon storage tanks
Two Wisy vortex fine filters


Benefits: Reduce potable water demands for non-potable needs
Reduce stormwater runoff
Effectively move water from rooftop to storage tanks

 

Eggleston Services

Eggleston Services, a non-profit organization in Norfolk, Virginia, dedicated to providing work opportunities for people with severe disabilities.

Challenge: Integrate a rainwater capture system into its new, 34,000-square-foot laundry facility in order to drive down the cost of water, energy and chemicals.

Application: Rain is channeled from an all-rubber roof into a network of drainpipes in the ceiling and into two 10,000-gallon polyethylene tanks located at the back of the facility.

Benefits: Water from the storage tanks is pumped through three separate filtration systems into the laundry building where it is used as wash water.
Rainwater is fed into the boilers to partially fuel the steam-heated ironers.
The storage tanks fill with one-inch of rain.
The harvested rainwater provides up to 15 percent of the laundry water requirements.
Based on the average rainfall, the system yields 72 days of laundry operation.
In a drought, the harvested rain water will last for 3-4 days.
The rainwater stored in the tanks maintains an ambient temperature of 82 degrees, thus reducing the energy required to heat the wash water.
The return on the rainwater harvesting system investment was 12 months.

 

Residential


Client location: Nebo, NC

Challenge: Collect rainwater from a 3,000 square foot roof to supply potable water to the residence for exterior uses such as hose bibs, car washing, and building washing.

Application: 2 above-ground storage tanks, 1 Wisy WFF 150 vortex filter Sediment, Carbon, and UV Light filtration

Benefits: Reduce reliance and demand on potable water supplies for outdoor uses

 

Client: Kirkland, Washington

Challenge: Collect rainwater from the rooftop to supply potable water to the residence for daily uses and also
to the irrigation system.

Application: 4 below ground storage tanks
1 Wisy WFF 150 vortex filter

 

Benefits: Offer reliable source of high quality water. Reduce reliance on potable water supplies for indoor use. Provides water to the irrigation system that also reduces costs of using municipal water

 

Client: Charlottesville, Virginia

Challenge: Collect rainwater from the rooftop to supply irrigation demands on the landscaped grounds without relying on potable water supplies.

Application: 5,000 gallon belowground storage. Wisy WFF 150 vortex filter. Wisy smoothing inlet. Wisy coarse floating filter

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Benefits: Offer reliable source of high quality water. Reduce reliance on potable water

 

Client: Hillsville, Virginia

Challenge: The residents relied on well water for water source in the mountains of Virginia. The well did not supply a continual source of water for all their needs. The residents sought out a rainwater harvesting to replace the well. Installing the system was comparable in price to drilling a new well, which may or may not have supplied sufficient water.

Application: 5,000 gallon belowground tank
Wisy WFF 150 vortex filter. Potable system to serve all of the household's needs


Benefits: Offer reliable source of high-quality, soft, potable water. Protect groundwater resources
Unnecessary to drill additional well

Client: Glasgow, Virginia

Challenge: Collect water from residential roof line to supply water for two-yard hydrants, as well as sink, shower, and toilet.

Application: Three 1,500-gallon tanks for 4,500 gallons of storage
Wisy vortex fine filter

 

Benefits: Supply reliable water source for horses
Reduce reliance on potable water for nonpotable needs
Save money on water costs
Read the client's testimonial.

 

Client: Afton Mountain, Virginia

-Challenge: To build a home following the US Green Building residential building program's guidelines. Rainwater harvesting is considered a green building approach and qualifies for LEED points.

Application: Two 1,700-gallon belowground tanks. Wisy vortex filters
Potable water treatment system


Benefits: Construct a green residential building. Reduce groundwater reliance and conserve groundwater resources

 

Client: Franklin County, Virginia

Challenge: To collect rooftop runoff for landscape irrigation and prevent water from running down the hill and contaminating the pond. Collected water is applied as irrigation at a rate that does not exceed infiltration rate, which prevents runoff.

Application: 3,400-gallon belowground nonpotable storage
Wisy vortex fine filter


Benefits: Reduce onsite runoff and protect local lake. Provide landscape irrigation

 

Client: Allen Shreeman

Challenge: The home's original well went dry in 2001. A second well was drilled to a depth of 900 feet, but only produced a half-gallon per minute. This was inadequate to provide an ample water supply for peak demand.

Application: Six 400 gallon storage tanks were placed in the crawl space, providing the customer with a 2,400 gallon capacity of stored rainwater.
The harvested rainwater was filtered and sterilized for potable use.
The project was coordinated with local officials, who issued a potable water permit for the rainwater harvesting system.

 

Benefits: An additional well was not required.
The system provides an average of 34,000 gallons of water per year. A continuous source of high quality, soft potable water is available from the system

Institutional


Client: Federal Way Public Schools Service Center

This public school's service center located in Federal Way, Washington, was looking for ways to reuse rainwater and not to depend on a municipal supply for washing cars and trucks.

Challenge: Reduce the use of municipal water for nonpotable water needs.
Reduce stormwater runoff from the site to protect the environment


Application: (8) 8 Wisy Vortex 150 Filters
(8) 1,400 gallon vertical storage tanks
2 inch coarse floating filter & hose
(8) 4" smoothing inlets

 

Benefits: Harvested rainwater used to wash cars and trucks.
Promote green infrastructure for schools.
Prevent stormwater runoff.

 

Client: Oscar Smith Middle School

The middle school in Virginia Beach, Virginia is situated in the sensitive Chesapeake Bay Watershed. The existing school was replaced with a more environmentally sound school.

Challenge: Reduce the use of municipal water for nonpotable water needs.
Reduce stormwater runoff from the site to protect the environment.
Educate students on water conservation and stewardship.  


Application: 220,00 sq.ft. roof collection area
9 Wisy WFF 300 vortex filters
9 Wisy coarse floating filters


Benefits: Harvested rainwater used to flush toilets and irrigate.
Promote green infrastructure for schools.
Prevent stormwater runoff

Client: Williamson Road Fire-EMS Station

The construction for the Williamson Road Fire Station finished in January 2009. The fire station is located in Roanoke, Virginia and is the city's first LEED certified fire station. With the addition of this fire station, emergency response times will be improved for the North side of the city.

Challenge: Reduce the use of municipal water for nonpotable water needs.
Reduce stormwater runoff from the site to protect the environment.
Attain LEED certification through the USGBC

 

Application: 9,000 sq.ft. roof collection area
10,000 gallons of storage
Two Wisy WFF 150 vortex filters
Two Wisy smoothing inlets
Two Wisy coarse 2" floating filters
UV light filtration system


Benefits: Harvested rainwater used to wash vehicles and flush toilets. Promote green infrastructure for fire stations and public service buildings. Prevent stormwater runoff.

 

Client: Carilion New River Valley Medical Center

Carilion New River Valley Medical Center (NRVMC), comprising a modern hospital facility and adjacent medical office complex in Christiansburg, VA. The Center is a leading health care provider to the city of Radford, VA and the surrounding seven- county region.

Challenge: Reduce or eliminate the rate and quantity of storm water run-off to neighboring properties.
Reduce the use of municipal water in the cooling plant's evaporative cooling towers.
Reconstruct the storm discharge swale into a detention pond to act as a supply for the evaporative cooling towers and site irrigation systems.


Application: A Reverse Osmosis system and pre-filter were used to clean and recycle the cooling tower condenser water loop to reduce system blow-down.


Benefits: Reduction of 15,000 gallons of blow-down water and municipal water makeup per day. Reduction in the cost of municipal water of $10.00 per 1000 gallons of water and sewer provided. The return on the system investment is less than two years.

 

Client: Western Regional Jail

This is the first LEED certified jail. The jail is located in Roanoke County and is situated next to the Roanoke River. The rainwater harvesting system will reduce stormwater runoff, protect the nearby stream and allow for water reuse in the building.

Challenge: Protect the nearby river from runoff.
Reduce the use of municipal water.
Attain LEED certification through the USGBC

 

Application: 250,000 sq.ft. roof collection area.
Four 30,000 gallon storage tanks.


Benefits: Harvested rainwater will be used to wash inmates' clothes.
Promote Green infrastructure in and around the Commonwealth of Virginia.

 

Agricultural


Client: Horse Farm, Marshall, Virginia

Challenge: Collect water onsite to supply demands on the sport horse farm.

Application: Installed 35,000 gallons of water storage. Utilized a new modular tank storage system. Wisy vortex fine filter


Benefits: Reduced municipal and groundwater demands. Determined tank formation (length x width x height) based on terrain due to modular tank system. Supplied water for farm demands

 

Client: Retired State Senator Truban, Culpeper, Virginia

Challenge: The area around the barn was extremely wet from run off and cattle waste. Some of the cattle were developing hoof rot. Also, there was no water at the barn for watering.

Application: Drain a 5,000-gallon storage system that harvested rainwater from the barn and carried the water to a pasture-watering cooler.
The system required no electricity.


Benefits: By collecting the water that was running off the barn, the area around the barn started to dry up.