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DuPage stormwater board member presses staff over $250,000 GIS contract and floodplain‑mapping transition
Summary
Board member Evans criticized a proposed $250,000 contract to build a custom GIS application meant to support legacy floodplain mapping, arguing staff can extract and reformat data in‑house and urging a transition to HEC‑RAS. Chair Zay and staff said the county is coordinating with the U.S. Army Corps and state partners on a careful transition plan.
Board member Evans sharply questioned the need for a proposed $250,000 contract with Michael Baker International to build a custom GIS application for the county’s regulatory floodplain mapping, saying the work could be done in‑house and that the county should accelerate a move away from legacy modeling tools.
Evans, speaking during old business at the DuPage County Stormwater Management Board meeting on April 7, argued the county already has tools and staff capacity to extract and reformat data. "We can extract our own data using software that we already have," Evans said, citing RASMapper and arguing that staff could write code to format outputs for present models. He urged the board to transition away from legacy FEQ/FAQ mapping and toward more modern HEC‑RAS modeling.
Evans outlined three reasons for…
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