Beach closure reported, Aug 11, 2026

Advisory active · Illinois Department of Public Health (Illinois BeachGuard System)

Source: Illinois Department of Public Health (Illinois BeachGuard System) via Illinois BeachGuard System (IDPH): advisories and closures, E. coli results, record 171-20260811T1100, updated by the source Nov 6, 2026, 2:41 AM CST, retrieved 2026-11-06 08:41 UTC · Read the original notice

Current status from this report

Discharge or advisory reported not linked to a mapped water: Official advisory in effect. Current rule period ends Nov 20, 2026, 2:41 AM CST. This is not a water-quality test.

Why this status: Discharge or advisory reported: official advisory.

Why we use this rule: An official advisory is listed. We show it while the authority keeps it in place; an old or missing update does not mean the advisory was lifted.

How long each status lasts, and why

A report is not a test of the water. See how we assign statuses.

Read the original notice · Report an error

1. Where the advisory applies

Issued by: Illinois Department of Public Health (Illinois BeachGuard System). Location: 41.09745, -89.05578; location source: given in the source record.

2. Waters named in the notice

The notice names no water. Not linked to a mapped water. The report names no water and no outlet listed in EPA and state records.

Map sources: water outlines and launches from OpenBoatLaunch and OpenStreetMap contributors (Open Database License); wastewater outlets from EPA and state records; downstream estimates by DirtyWaterWatch using U.S. Geological Survey maps and flow data. Base map: OpenFreeMap and OpenMapTiles.

Open on the main map

When it happened and when it was reported

Event and notice times use Eastern Time (EST or EDT). Retrieval times use Coordinated Universal Time (UTC).

Started: Aug 11, 2026, 11:00 AM CDT
Ended: not reported
Detail provided by the source: Times known to the minute
Reported to the source: not given
Published: not given
Source last updated: Nov 6, 2026, 2:41 AM CST
Last retrieved by DirtyWaterWatch: 2026-11-06 08:41 UTC

What was reported

Type: Beach closure
Status in the record: Advisory active

Advice from Illinois Department of Public Health (Illinois BeachGuard System)

“Closure: Marshall County Sportsmen Clb”
Illinois Department of Public Health (Illinois BeachGuard System)

Advice period: This report does not state a period. See the rule DirtyWaterWatch applies and its source.
Basis: not stated

Status history from this report

Discharge or advisory reported a water not yet on the map: Official advisory in effect, Aug 11, 2026, 11:00 AM CDT to Nov 20, 2026, 2:41 AM CST (the end is scheduled: a new report can change it)

Source: DirtyWaterWatch calculations using this report and the published status rules. Updated 2026-11-06 09:03 UTC.

Source and versions

Source: Illinois BeachGuard System (IDPH): advisories and closures, E. coli results
Source record number: 171-20260811T1100
Original notice: Read the original notice
Earlier version: None: this is the first record
Later versions: None

Record details

Record details
Record identifier	il-idph-beachguard:171-20260811T1100
Source identifier	il-idph-beachguard
Source record number	171-20260811T1100
Earlier version	Not provided
Type	Beach closure
Status in the report	Advisory active
Sewer operator identifier	Not provided
Sewer operator	Not provided
Federal wastewater discharge permit (NPDES)	Not provided
Outlet number	Not provided
Outlet name	Not provided
Water named in the report	Not provided
Linked waters	Not provided
How this report was linked to the water	not linked to a mapped water
Latitude	41.097
Longitude	-89.056
Location source	given in the source record
Location accuracy, in metres	Not provided
Started	Aug 11, 2026, 11:00 AM CDT (2026-08-11T11:00:00-05:00)
Ended	Not provided
Detail provided by the source	to the minute
Reported to the source	Not provided
Published	Not provided
Source last updated	Nov 6, 2026, 2:41 AM CST (2026-11-06T08:41:54Z)
Last retrieved by DirtyWaterWatch	Nov 6, 2026, 2:41 AM CST (2026-11-06T08:41:54Z)
Material	Not provided
Volume, in gallons	Not provided
Volume as reported	Not provided
How volume was determined	not stated whether estimated or measured
Authority	Illinois Department of Public Health (Illinois BeachGuard System)
Advice	Quoted in full above
Advice period, in hours	Not provided
Basis of the advice period	Not provided
Original notice	https://idph.illinois.gov/envhealth/ilbeaches/public/BeachDetail.aspx?BeachId=171

Original source data

{
  "title": "Closure - Lake - Marshall County Sportsmen Clb",
  "advisory_type": "Closure",
  "beach": "Marshall County Sportsmen Clb",
  "start_text": "8/11/2026 11:00 AM",
  "issued_by": "Illinois Department of Public Health",
  "comment": null,
  "county": "MARSHALL",
  "accessibility": "Private Owned, Private Access",
  "first_listed_at": "2026-11-04T15:29:07Z",
  "last_listed_at": "2026-11-06T08:41:54Z",
  "start_basis": "the beach page's start date"
}

Staff names, email addresses and phone numbers are removed from source data before it is stored.