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Big Rock Combined Storm Sewer Improvements

Village of Big Rock, Illinois

Civil, Utilities
Route study, Funding procurement, Design, Construction administration and inspection, Permitting, Public liaison


The Village of Big Rock constructed a long-term plan that was implemented from 2004-2012 to fix their deteriorating wastewater infrastructure. This began with surveying the residents in Big Rock and to grasp the situation of the many complaints of untreated wastewater. Applied Technologies Inc. began work in 2008 through a study that evaluated the wastewater collection, treatment and disposal systems. A complete wastewater facilities plan was completed in January 2010 and the upgrades began in 2011 with grants and loans given by the IEPA. Final construction and the beginning of operation began at the end of 2011 into 2012.


Combined Storm Sewer Separation

  • 10 year storm design to replace 1950s drain tile system
  • 4,660 lineal feet of 12- and 30-inch storm sewer
  • 25 storm structures
  • 70 property service connection
  • Construction cost: $1.13 million


John Street/Raymond Road Storm Sewer

  • 3,200 lineal feet of 12-inch storm sewer
  • Wetland-lined meandering stream discharge
  • Construction cost: $220,000


Tenerelli Flood Route Improvement

  • 6,000 lineal feet of 12-inch storm sewer and under drain
  • 700 lineal foot outlet swale discharge
  • 1,000 lineal feet of culvert replacement
  • 2,800 lineal feet of ditch grading
  • Construction cost: $345,000