---
type: "Bill"
title: "MOSQUITO ABATE DIST-ANNEX"
description: "Amends the Mosquito Abatement District Act. Provides that a mosquito abatement district may, by ordinance, annex additional contiguous territory within a city or village if the district contains over 90% of the territory of the city or village and the territory is not incorporated within a mosquito abatement district. Provides that the ordinance is subject to backdoor referendum procedures. Provides that no contiguous territory may be annexed by a mosquito abatement district more than one year after it has been included in the city or village. Provides that no contiguous territory may be annexed by a mosquito abatement district if it expands the mosquito abatement district's boundaries outside of a county unless the district already contains territory in that county."
jurisdiction: "us/states/il"
legislature: "Illinois General Assembly"
session: "95th"
identifier: "SB 285"
citation: "Illinois SB 285 (95th)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: []
version_count: 3
action_count: 38
vote_count: 4
first_action: "2007-02-07"
last_action: "2007-10-17"
source: "openstates"
source_identifier: "ocd-bill/f11f7a49-c232-4ab1-8319-2614ce193944"
source_url: "http://ilga.gov/legislation/BillStatus.asp?DocNum=285&GAID=9&DocTypeID=SB&LegId=27874&SessionID=51&GA=95"
source_hash: "158e265bbdc1b9fb4c125ff974b352cd2f15b7c76ea9406a70d4d74140ffa159"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-il"]
---

# Illinois SB 285 (95th) — MOSQUITO ABATE DIST-ANNEX

Amends the Mosquito Abatement District Act. Provides that a mosquito abatement district may, by ordinance, annex additional contiguous territory within a city or village if the district contains over 90% of the territory of the city or village and the territory is not incorporated within a mosquito abatement district. Provides that the ordinance is subject to backdoor referendum procedures. Provides that no contiguous territory may be annexed by a mosquito abatement district more than one year after it has been included in the city or village. Provides that no contiguous territory may be annexed by a mosquito abatement district if it expands the mosquito abatement district's boundaries outside of a county unless the district already contains territory in that county.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Introduced** (filed) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09500SB0285&GA=95&SessionId=51&DocTypeId=SB&LegID=27874&DocNum=285&GAID=9&Session=&print=true)
2. **Engrossed** (committee substitute) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09500SB0285eng&GA=95&SessionId=51&DocTypeId=SB&LegID=27874&DocNum=285&GAID=9&Session=&print=true)
3. **Enrolled** (enrolled) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09500SB0285enr&GA=95&SessionId=51&DocTypeId=SB&LegID=27874&DocNum=285&GAID=9&Session=&print=true)

## Votes

- Motion — **71–41** (fail) · lower
- Motion — **53–0** (pass) · upper
- Third Reading — **66–49** (pass) · lower
- Third Reading — **56–1** (pass) · upper

## Sponsors

- Kirk W. Dillard — primary (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2007-02-07** Filed with Secretary by Sen. Kirk W. Dillard `filing`
- **2007-02-07** First Reading `reading-1`
- **2007-02-07** Referred to Rules `referral-committee`
- **2007-02-21** Assigned to Local Government `referral-committee`
- **2007-03-01** Postponed - Local Government
- **2007-03-06** Added as Chief Co-Sponsor Sen. Pamela J. Althoff
- **2007-03-07** Do Pass Local Government; 010-000-000 `committee-passage`
- **2007-03-07** Placed on Calendar Order of 2nd Reading March 8, 2007
- **2007-03-08** Second Reading `reading-2`
- **2007-03-08** Placed on Calendar Order of 3rd Reading March 13, 2007
- **2007-03-29** Third Reading - Passed; 056-001-000 `reading-3, passage`
- **2007-03-29** Arrived in House `introduction`
- **2007-03-29** Placed on Calendar Order of First Reading `reading-1`
- **2007-04-02** Chief House Sponsor Rep. James H. Meyer
- **2007-04-09** First Reading `reading-1`
- **2007-04-09** Referred to Rules Committee `referral-committee`
- **2007-04-30** Assigned to Local Government Committee `referral-committee`
- **2007-05-16** Do Pass / Short Debate Local Government Committee; 007-004-000 `committee-passage`
- **2007-05-17** Placed on Calendar 2nd Reading - Short Debate
- **2007-05-22** Second Reading - Short Debate `reading-2`
- **2007-05-22** Placed on Calendar Order of 3rd Reading - Short Debate
- **2007-05-25** Third Reading - Short Debate - Passed 066-049-000 `reading-3, passage`
- **2007-05-25** Passed Both Houses
- **2007-06-22** Sent to the Governor `executive-receipt`
- **2007-08-21** Governor Vetoed `executive-veto`
- **2007-10-02** Placed Calendar Total Veto October 2, 2007
- **2007-10-02** Motion Filed Override Governor Veto Sen. Kirk W. Dillard
- **2007-10-02** 3/5 Vote Required
- **2007-10-02** Override Governor Veto - Senate Passed 053-000-000
- **2007-10-04** Alternate Chief Sponsor Changed to Rep. Patricia R. Bellock
- **2007-10-04** Added Alternate Chief Co-Sponsor Rep. James H. Meyer
- **2007-10-04** Placed on Calendar Total Veto October 10, 2007
- **2007-10-05** Motion Filed Override Governor Veto Rep. Patricia R. Bellock
- **2007-10-11** 3/5 Vote Required
- **2007-10-11** Override Governor Veto - House Passed 071-041-000
- **2007-10-11** Both Houses Override Total Veto `veto-override-passage`
- **2007-10-17** Effective Date October 11, 2007
- **2007-10-17** Public Act . . . . . . . . . 95-0664 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/f11f7a49-c232-4ab1-8319-2614ce193944`. Confidence: reported (aggregated from official Illinois legislature records).