Dec
16
2013

Water Luncheon Seminar

Green-Gray Decentralized Detention Infrastructure to Control Combined Sewer Overflows

Nestor Alonso Mancipe-Munoz, University of Cincinnati, Department of Biomedical, Chemical and Environmental Engineering.

WHEN: January 21, 2014 – 11:30am-1:00pm
WHERE: Wilma H. Schiermeier Olentangy River Wetland Research Park, Heffner Building, Columbus, OH (map)


Register online here or download abstract and registration form.

Combined sewer overflows (CSO) are uncontrolled and untreated discharges of wastewater into urban streams that occur when the capacity of the collection system or the treatment facility are exceeded during heavy rainfall or snowmelt events.  Resilient and affordable solutions are needed to control CSOs and help manage urban flooding and improve water quality.  Typically, Gray infrastructure (i.e. sewers and treatment facilities) are proposed to mitigate CSO impacts.  A more environmentally friendly approach called Green  infrastructure (i.e. bio-infiltration, green roofs, rain gardens, etc) is being considered to solve this problem.  Interest has grown in using a combination of “green” and “gray” infrastructure because it not only mitigates CSOs, but also maximizes social, economic, and environmental benefits.  A unique framework that combines state-of-the-art mathematical modeling complemented with Geographical Information Systems (GIS) was developed to assess a non-conventional “green” and “gray” infrastructure alternative, composed of short storm sewers (gray) that  convey stormwater runoff into small decentralized detention ponds (green).  The detention ponds release the captured runoff back into the existing sewer at a constant rate controlled to  prevent the occurrence of a  downstream CSO.  The proposed framework includes methods to calibrate a high resolution rainfall-runoff model, identify potential sites for small detention ponds, and produce control-operation policies.  Results show that the green-gray infrastructure alternative is feasible and provides a higher CSO reduction at a lower cost than a conventional “gray only” alternative for a typical rainfall year.  The framework provides a useful promising tool for evaluating effectiveness, feasibility, and operation-control of this alternative in urban areas to reduce CSOs.

Dec
11
2013

2014 WMAO Membership

To renew or join for 2014, obtain a copy of the WMAO Membership Form, today!  Or, apply online.

WMAO offers many benefits to its members, including the following:

  1. Networking with other water-related agencies, organizations, individuals, and associations, including AWRA, OWEP, ODSO, OFMA, OSWA, OLMS, and OWPA.
  2. Water Resources scholarships,
  3. Technical seminars,
  4. A multi-day conference,
  5. A quarterly publication, Ohio Water Table, which contains valuable information for those in the water-resources community.
Oct
17
2013

42nd Annual WMAO Conference

Now Trending: Innovations in Water Resource Management

WHEN: November 13 & 14, 2013
WHERE: Quest Conference Center, 8405 Pulsar Place, Columbus, OH 43240 (map)



Proceedings WMAO 2013 Conference

Conference Agenda WMAO 2013

 


Hotel Tax Exemption Information

If you will be staying at a Columbus hotel for the 42nd Annual WMAO Conference and are eligible for relief from the City of Columbus Hotel Tax, please provide a completed H‐3GOV City of Columbus Hotel/Motel Excise Tax Exemption Certificate AND Ohio Sales and Use Tax Blanket Exemption Certificate upon check in at the hotel.  These documents are linked below for your use.

Please be aware that payment for overnight accommodations must be made by an organization credit card or check ‐ any personal credit cards or cash will void tax exemption.

Reservations, tax form submittal, and payment are the responsibility of conference attendee.

H-3GOV City of Columbus Hotel/Motel Excise Tax Exemption Certificate

Ohio Sales and Use Tax Blanket Exemption Certificate

 

 

Sep
15
2013

WMAO / OWRC Water Luncheon

Anthropogenic Unintended Consequences: Phosphorus and Alum in Grand Lake St. Marys, Ohio.

Chad Hammerschmidt, Department of Earth & Environmental Sciences, Wright State University; http://www.wright.edu/ees/hammerschmidt/

WHEN: October 15, 2013 – 11:30am-1:00pm

WHERE: Wilma H. Schiermeier Olentangy River Wetland Research Park, Heffner Building, Columbus, OH (map)


Grand Lake St. Marys was constructed in the 1840s to serve as a reservoir for the Miami and Erie Canal.  Since then, but particularly during the past three decades, water quality in the lake has been deteriorated   by inputs of phosphorus, which have resulted in toxic blooms of cyanobacteria.  Our research shows that  over 80% of the current-day phosphorus loadings to the lake are in watershed runoff that can be attributed  mostly to agricultural operations.  The remedy to eutrophication of Grand Lake is cessation of watershed   inputs of phosphorus.  In addition to watershed initiatives focused on reduction of agricultural nutrient inputs, the State applied about 2 million pounds of alum (aluminum sulfate) to the lake in 2011 in an attempt to remove phosphorus from the water column and mitigate fluxes from sediments.  We found that the alum had little effect on phosphorus levels in lake water and that the aluminum and sulfate may negatively alter benthic communities.

Luncheon Brochure.

Register Here.

 

Jul
31
2013

2013: Another Dam Newsletter

2013 - Another Dam Newsletter
The Ohio Dam Safety Organization (a division of WMAO) has recently posted Another Dam Newsletter for 2013 on the website.

Read: 2013 – Another Dam Newsletter

Jul
18
2013

EPN’s 2nd Tuesdays Breakfast Club

Helping Restore a Central Ohio Gem: the Olentangy River 5th Ave. Dam Removal Project

WHEN: August 13, 2013 – 7:15am – 9:30am
WHERE: Schiermeier Olentangy River Wetland Research Park (map)


More Information

 

Sponsored by the Ohio Dam Safety Organization, a Division of WMAO

Jul
12
2013

Call For Abstracts: National Water Quality Monitoring Council’s (NWQMC) 9th National Monitoring Conference

Working Together for Clean Water

DUE: September 20, 2013


This conference focuses on the many facets of water quality and quantity monitoring for improved understanding, protection, and restoration of our natural resources and communities. This centerpiece forum attracts 800 – 1,000 water practitioners from all backgrounds, including federal, state, local, tribal, volunteer, academic, private, and other water stakeholders. Attendees exchange information about water monitoring, assessment, research, protection, restoration, and management; learn about new findings on the quality of the Nation’s streams and rivers, groundwater, estuaries, lakes and wetlands; and develop new skills and professional networks. The conference includes presentations, panels, poster sessions, exhibits, hands-on interactive workshops, field trips and Fluid 5K run, as well as time for after-hours meetings and networking.

Call for Abstracts

More information

 

Jul
3
2013

2013 Ohio Statewide Floodplain Management Conference

Conference and Advanced HEC-RAS Training

WHEN: August 28 & 29, 2013
WHERE: Doubletree Hotel, Columbus/Worthington (map)


Agenda

Register

 

Pages:«1234567»
WMAO Scholarship
Water Buffalos
WMAO Awards
WMAO Conference - 2016

Upcoming Events

Members Only