Research snapshot · Water · 31 August 2026

Stormwater management in Illinois: 18 towns on the record, the pace easing

This page is a snapshot, cut 31 August 2026, of a topic that moves. Below is the shape of the movement, read from the towns' own meeting records, and the way to get a view of it that stays current.

Already a well-mapped Known topic. NPDES and water resource management merged in.Our definition of the class, 29 August 2026.

Snapshot taken 31 August 2026, based on 19 dated municipal records flagged as stormwater management in Illinois, spanning 18 municipalities. The topic moves; a later cut supersedes this page.

What this page is for one topic at state or national scope, told as a story: how it arrived, the shape of its movement, a dated snapshot of a moving record, and the door to a view of it that stays current. If it does not, write to us; that is what changes the next edition.

The story so far

The record starts in Wheaton, 27 January 2011. Since then 18 Illinois towns have put the topic on a meeting record, the newest of them La Grange Park on 10 March 2026.

The last 90 days put 1 meeting on the record, down from 2 in the 90 days before.

It runs through the rooms where budgets and ordinances are made: Weekly Staff Reports, Approved Vendor Runs and Document Center / Development Services Department.

The shape of the movement

Dated meetings on the record at this scope, quarter by quarter, and the same 90-day count as a rolling line, whose right-hand point is that number. Counts of documents, never a reading of what they decided.
QuarterMeetingsTowns
Sep 2025 to Nov 202500
Dec 2025 to Feb 202622
Mar 2026 to May 202622
Jun 2026 to Aug 2026 (current)11

a rolling 90-day total, so the right-hand point is that same 90-day count. The busiest stretch was Dec 2025 to Feb 2026, with 2 meetings.

The towns on the record18, earliest first

Every Illinois town carrying the topic, the earliest first, each with its latest document.
Wheatonearliest 2011-01-27 · 1 meeting · latest 2011-01-27 · the ordinance F-1602 - An Ordinance Granting a Variance from the Provisions of the DuPage County Countywide Stormw
Homer Glenearliest 2019-09-17 · 2 meetings · latest 2023-09-19 · the document EPA-stormwater-brochure PDF
Planoearliest 2020-07-13 · 3 meetings · latest 2021-07-12 · the document Approved Vendor Run for July 12, 2021
Clarendon Hillsearliest 2023-02-03 · 4 meetings · latest 2026-07-31 · a report Weekly Staff Report July 31, 2026
Indianhead Parkearliest 2023-02-24 · 1 meeting · latest 2023-02-24 · the document February 24, 2023 Administrator's Report
Olympia Fieldsearliest 2023-07-01 · 1 meeting · latest 2023-07-01 · the document JUNE JULY 2023
Bloomingdaleearliest 2025-01-01 · 1 meeting · latest 2025-01-01 · the document IEPA Notice of Intent
Skokieearliest 2025-01-07 · 2 meetings · latest 2026-03-19 · the agenda Plan Commission Regular Agenda Meeting Packet (PDF)
Riversideearliest 2025-04-01 · 1 meeting · latest 2025-04-01 · the document April 2025/May 2025
Hanover Parkearliest 2026-01-30 · 1 meeting · latest 2026-01-30 · the minutes Village Board Meeting — Minutes
State of ILearliest 2026-02-18 · 1 meeting · latest 2026-02-18 · the document HB4418: EPA-STORMWATER-PLASTIC PELLET
La Grange Parkearliest 2026-03-10 · 1 meeting · latest 2026-03-10 · the agenda Village Board Meeting Materials (PDF)
Flossmoordated to the year only
Genevadated to the year only
Libertyvilledated to the year only

And 3 more towns on the record, in an account view.

From the record

The most recent documents behind this page, one per town. Each link opens the town's own file.

31 July 2026 · Clarendon Hills Weekly Staff Reports

a report, on the town's own site Weekly Staff Report July 31, 2026

19 March 2026 · Skokie Plan Commission

the agenda, on the town's own site Plan Commission Regular Agenda Meeting Packet (PDF)

10 March 2026 · La Grange Park Village Board

the agenda, on the town's own site Village Board Meeting Materials (PDF)

18 February 2026 · State of IL Legislature — 104th General Assembly

the document, on the town's own site HB4418: EPA-STORMWATER-PLASTIC PELLET

Companies on this record109 companies, 26 documents

Named in the same documents that carry this topic, read from the record itself: the firms designing, building and advising the work, each with where the record places them:
ComcastClarendon Hills, Plano
AmazonClarendon Hills, Plano
ComEdClarendon Hills, Riverside
Metropolitan Water Reclamation DistrictRolling Meadows, Skokie
AUTO ZONEPlano
BAXTER & WOODMAN INCPlano
CAPERS NORTH AMERICA, LLCPlano
COMCAST CABLEPlano
CONSTELLATION NEW ENERGYPlano
CROWES AUTO REPAIRPlano
GJOVIK CHEVROLET, INCPlano
Junior Woman's ClubLibertyville
Knights of ColumbusLibertyville
Libertyville Civic Center FoundationLibertyville
Murphy’s Health Foods and Juice BarLibertyville
National Fire Protection AssociationLibertyville
Our House of HopeLibertyville
A. McGurr Ltd., P.C.Wheaton
ADP, INCPlano
Advanced Drainage SystemsClarendon Hills
AECOMClarendon Hills
AES CorporationClarendon Hills
AirgasClarendon Hills
ALAN ENVIRONMENTAL PRODUCTSPlano
Algonquin Power & UtilitiesClarendon Hills
ALTERNATIVE SERVICE CONCEPTSPlano
American Water WorksClarendon Hills
AppleClarendon Hills
ArcadisClarendon Hills
AT&TClarendon Hills

And 79 more companies.

The documents naming each, and the threads they sit in, are the account view. If one of these is you, those are your projects on the record. Ask and we will show you every one, and the towns around them, as they move.

A snapshot of a moving record

Everything above is frozen at 31 August 2026; the topic is not. 109 more events on this topic carry no usable date and are counted, never dated. The counts follow where we read most: a town or a state absent here was not read at depth, and absence is not evidence the topic is absent there. A lighter-read state is not a ceiling; where you care about a region, pointing the system there is the first thing an account changes. How coverage is built, and its known limits: municipalalpha.com/methodology.

How we can tell you about it ongoing

We track this topic continuously; this page is one cut of it, taken 31 August 2026. An account turns the snapshot into a working view: every town and every document behind these counts, the thread on each matter as it develops, word of new meetings as they land on the record, your own states and topics side by side, and the data itself when you want it in a table. The towns above are the taste; what each is actually deciding, funding or stalling is the read an account carries.

Also at this scope: Stormwater management across the country. Counts and dates are computed from the documents on the record; the topic and its definition are ours. This page carries no subscriber content.

Stormwater management, Illinois

from the towns' own meeting records

Scope

Illinois

every topic this state carries

Area

Water

every topic in this area

Towns on the record

18

with a dated document on this topic

Earliest

27 January 2011

the documents' dates

Meetings, last 90 days

1 against 2 before

dated documents

Snapshot cut

31 August 2026

this page's date

A view that stays current

ask for yours