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Dearborn County approves $50,000 contract to maintain GIS data used by 9-1-1
Summary
County commissioners approved a five‑year contract with DATAMARK to maintain and validate GIS addressing and boundary data that route 9‑1‑1 calls, committing $50,000 total ($10,000 per year) to preserve emergency‑response accuracy.
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Dearborn County commissioners voted to authorize up to $50,000 over five years to renew a contract for DATAMARK’s GIS validation and editing services used by emergency dispatch. County staff said the contract supports meeting state addressing standards and reduces routing errors for 9‑1‑1 calls.
Nicole Bailey, director of planning and zoning, described the county’s multi‑year effort to meet state addressing and GIS standards. Bailey said the county has moved from “Silver” to “Gold” recognition in the state program and is pursuing the new “Platinum” level; the DATAMARK tools allow staff to run validations, find address and boundary anomalies and correct them before they affect dispatch. “This validation program ensures that we are working towards those and finding those anomalies,” Bailey said.
Bailey told commissioners the vendor’s price for the validation/editing tool is about $10,000 per year; commissioners approved $50,000 over five years and directed the 9‑1‑1 budget to carry future annual amounts. The county said the work will also position it to apply for state seed grants that reimburse validation and correction work.
Commissioners discussed whether to fund the full five years from county general or to budget annual amounts with 9‑1‑1 in future budgets; the motion approved funding and directed staff to place future years in the 9‑1‑1 budget. The contract had lapsed in September 2024; Bailey said the county continued validation work while the lapse was addressed.

