---
type: "Bill"
title: "MWRD-DISTRICT EXPANSION"
description: "Amends the Metropolitan Water Reclamation District Act. Expands the corporate limits of the Metropolitan Water Reclamation District. Effective immediately."
jurisdiction: "us/states/il"
legislature: "Illinois General Assembly"
session: "100th"
identifier: "SB 1591"
citation: "Illinois SB 1591 (100th)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: []
version_count: 3
action_count: 28
vote_count: 2
first_action: "2017-02-09"
last_action: "2017-08-25"
source: "openstates"
source_identifier: "ocd-bill/e314fc46-3146-4ced-b8ff-10d5720c8ec2"
source_url: "http://ilga.gov/legislation/BillStatus.asp?DocNum=1591&GAID=14&DocTypeID=SB&LegId=104269&SessionID=91&GA=100"
source_hash: "856b64433b98225f135b7f6a3d77255da92d16c4c2eae24722bd1ca831854e15"
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 1591 (100th) — MWRD-DISTRICT EXPANSION

Amends the Metropolitan Water Reclamation District Act. Expands the corporate limits of the Metropolitan Water Reclamation District. Effective immediately.

## 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=10000SB1591&GA=100&SessionId=91&DocTypeId=SB&LegID=104269&DocNum=1591&GAID=14&Session=&print=true)
2. **Engrossed** (committee substitute) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=10000SB1591eng&GA=100&SessionId=91&DocTypeId=SB&LegID=104269&DocNum=1591&GAID=14&Session=&print=true)
3. **Enrolled** (enrolled) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=10000SB1591enr&GA=100&SessionId=91&DocTypeId=SB&LegID=104269&DocNum=1591&GAID=14&Session=&print=true)

## Votes

- Third Reading — **114–0** (pass) · lower
- Third Reading — **52–0** (pass) · upper

## Sponsors

- Don Harmon — primary (person)

## Timeline

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

- **2017-02-09** Filed with Secretary by Sen. Don Harmon `filing`
- **2017-02-09** First Reading `reading-1`
- **2017-02-09** Referred to Assignments `referral-committee`
- **2017-02-28** Assigned to Local Government `referral-committee`
- **2017-03-17** Rule 2-10 Committee Deadline Established As April 7, 2017
- **2017-03-29** Do Pass Local Government; 006-000-000 `committee-passage`
- **2017-03-29** Placed on Calendar Order of 2nd Reading March 30, 2017
- **2017-04-06** Second Reading `reading-2`
- **2017-04-06** Placed on Calendar Order of 3rd Reading April 25, 2017
- **2017-04-28** Rule 2-10 Third Reading Deadline Established As May 31, 2017 `reading-3`
- **2017-05-04** Third Reading - Passed; 052-000-000 `reading-3, passage`
- **2017-05-05** Arrived in House `introduction`
- **2017-05-09** Chief House Sponsor Rep. Fred Crespo
- **2017-05-09** First Reading `reading-1`
- **2017-05-09** Referred to Rules Committee `referral-committee`
- **2017-05-15** Assigned to Executive Committee `referral-committee`
- **2017-05-19** Committee Deadline Extended-Rule 9(b) May 26, 2017
- **2017-05-24** Do Pass / Short Debate Executive Committee; 011-000-000 `committee-passage`
- **2017-05-24** Placed on Calendar 2nd Reading - Short Debate
- **2017-05-24** Second Reading - Short Debate `reading-2`
- **2017-05-24** Placed on Calendar Order of 3rd Reading - Short Debate
- **2017-05-26** Final Action Deadline Extended-9(b) May 31, 2017
- **2017-05-30** Third Reading - Short Debate - Passed 114-000-000 `reading-3, passage`
- **2017-05-30** Passed Both Houses
- **2017-06-28** Sent to the Governor `executive-receipt`
- **2017-08-25** Governor Approved `executive-signature`
- **2017-08-25** Effective Date August 25, 2017
- **2017-08-25** Public Act . . . . . . . . . 100-0454 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/e314fc46-3146-4ced-b8ff-10d5720c8ec2`. Confidence: reported (aggregated from official Illinois legislature records).