# Amendment of Municipal Code Section 10-21-040 requiring persons owning underground facilities to provide and maintain geographic information system map of said facility

- Record number: **O2026-0026084**
- Type: Ordinance; category: Municipal Code Amendments
- Status: In Committee
- Sponsor: [Gilbert Villegas](https://www.chicagopolitics.org/ward/36) (36th Ward)
- Committee: [Committee on Transportation and Public Way](https://www.chicagopolitics.org/committee/transportation-and-public-way)
- Submitted Date: Jun 10, 2026
- Introduction Date: Jun 17, 2026
- Official record: [Office of the City Clerk](https://chicityclerkelms.chicago.gov/Matter/?matterId=F4685776-EA64-F111-A823-001DD806169D)

## Impact report

> Written by AI from [the official document](https://www.chicagopolitics.org/files/clerk/matterattachmentspublic/5d51fd46-147a-4ca0-ab97-2a7e5cb936f4.pdf). AI can make mistakes; the official document always wins.

Owners and operators of underground facilities in Chicago would have to provide and keep up a digital GIS map of those facilities in a format set by CDOT, and report changes to 811 Chicago within 30 days.

**Who it affects**

- **Owners and operators of underground facilities**: They would have to provide and maintain a geographic information system map of their underground facilities in the electronic format CDOT requires.
- **811 Chicago**: It would receive reports of any changes to underground facility maps within 30 days after each change.
- **Chicago Department of Transportation (CDOT)**: The Commissioner of Transportation would have to write rules within 60 days to put the mapping requirement into action.

**What changes**

- Underground facility owners must give a digital GIS map of their facilities in a format set by CDOT.
- Owners must keep these maps up to date.
- Any changes to an underground facility must be reported to 811 Chicago within 30 days.
- The Commissioner of Transportation must create rules for the mapping requirement within 60 days, as part of the City's Cut the Red Tape initiative.

**Where**: 36th Ward

**When**: Section 2 (CDOT rulemaking) takes effect upon passage and publication; Section 1 (the mapping requirement) takes effect after the Commissioner of Transportation issues the rules.

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Source: https://www.chicagopolitics.org/matter/F4685776-EA64-F111-A823-001DD806169D · Chicago Politics, an independent, nonpartisan tracker of the Chicago City Council. Guide for agents: https://www.chicagopolitics.org/llms.txt