Implementation and Analysis of Snow Removal Wash Water Reuse Research

Due to the corrosive nature of deicing chemicals (e.g. sodium chloride), Ohio Department of Transportation (ODOT) maintenance trucks are washed frequently during the winter months at the 88 county and 132 outpost garages across the state. Most of the wash water is processed through an oil/water separator prior to being discharged to a sanitary sewer. However, there are a number of facilities without access to sanitary sewer for truck wash water disposal with an estimated generation of four million gallons per year. At these locations, wash water is generally stored until it can be transported to a treatment facility for disposal at costs ranging from $0.05 to $0.54/gallon. Recently, a research project (SJN: 134629) was conducted that focused on identifying cost effective, environmentally-sustainable strategies for managing this waste water. The research has provided ODOT with the most comprehensive analytic review of waste water in the county. The findings have demonstrated the potential for recycling a large percentage of waste water, which could result in cost savings due to a reduction in disposal fees and associated expenditures of transporting and handling of the waste water. In an effort to transition the research findings into ODOT's daily operations, a pilot implementation project within Districts 10 and 4 is being conducted. Particular outcomes from the pilot will be: (1) verification of previous research recommendations for a 24-hour settlement period prior to reuse, (2) initiation of an in-house testing program for waste water, and (3) incorporation of a confidence rating into the cost analysis tool developed in the initial study. Proper implementation of the research results should enable the recycling of a large percentage of wash water collected at county garages and outposts. Integrating these measures across an entire district is expected to result in significant cost savings. Statewide deployment could position ODOT for substantial cost savings. The pilot implementation project has been designed to quantify and verify these perceived savings in an effort to support statewide implementation. The disposal and treatment of waste water is dictated by external agencies (e.g.: Environmental Protection Agency [EPA], municipalities, health departments, and Wastewater Treatment Plant [WWTP]). Scientifically based confirmation of the actual composition of waste water combined with proven methods for reducing TDS and TSS provides ODOT with the leverage needed to negotiate lower disposal rates and/or access alternatives that were previously unavailable due to the perceived, unconfirmed composition of waste water.

Language

  • English

Project

  • Status: Completed
  • Funding: $59686.00
  • Contract Numbers:

    26577

    134984

  • Sponsor Organizations:

    Federal Highway Administration, Ohio Division

    200 North High Street
    Room 328
    Columbus, OH  United States  43215
  • Project Managers:

    Fout, Vicky

  • Performing Organizations:

    University of Akron

    Akron, OH  United States 
  • Principal Investigators:

    Miller, Christopher

  • Start Date: 20140717
  • Expected Completion Date: 0
  • Actual Completion Date: 20160217
  • Source Data: RiP Project 36824

Subject/Index Terms

Filing Info

  • Accession Number: 01530547
  • Record Type: Research project
  • Source Agency: Ohio Department of Transportation
  • Contract Numbers: 26577, 134984
  • Files: RiP, STATEDOT
  • Created Date: Jul 18 2014 1:00AM