Village of Royalton

Sewer operator · Illinois · Royalton

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.

Ringed dots mark treatment plant outfalls. Square boat markers mark boat launches listed by OpenBoatLaunch.

Federal wastewater discharge permit (NPDES): IL0023337
Wastewater outlets: 1 treatment plant outfall listed by EPA or state agencies; no combined sewer outfall is listed · List
Waters listed as receiving wastewater: BIG MUDDY CREEK
Tracked waters: Big Muddy River, IL
Discharge records counted: 5 records · latest Mar 8, 2026, 5:00 PM CDT
Total reported volume in these records: 18,787,500 gallons across the 3 records that give a volume (2 without one)

These totals reflect the records we track. Missing volumes and gaps in reporting limit comparisons between operators.

Sources: EPA ECHO and the operator and state sources linked below. Counts use the discharge records on this page. Updated 2026-11-06 09:03 UTC.

Public notices and alerts

We do not list an alert service for this operator yet. Check its website.

Source: Village of Royalton's public notice and alert pages and the state's notification records.

Report a missing notice or error

Wastewater outlets

Outfall: a pipe or outlet where wastewater enters a water body.

1 treatment plant outfall listed by EPA or state agencies; no combined sewer outfall is listed.

Treatment plant outfalls

1 outfall

Outfall 001 · receiving water in the permit: BIG MUDDY CREEK · Big Muddy River, IL · status not published

Source: U.S. Environmental Protection Agency (EPA) permit records (ICIS-NPDES permitted features): where a treatment plant’s permitted discharge leaves. No national source says whether a plant outfall is open or closed.

Reports and advisories

Treatment bypass: wastewater skips one or more treatment steps.

Reports linked to Village of Royalton, newest first
When	Report	Status
Mar 8, 5:00 PM CDTto Mar 17, 2:30 PM CDT	Big Muddy River · Bypass · 6.62 million gallons report · notice · map	ended
Jun 7 ’25, 4:30 PM CDTto Jun 28 ’25, 3:30 PM CDT	Big Muddy River · Bypass · 12.07 million gallons report · notice · map	ended
May 23 ’25, 2:00 PM CDTto May 27 ’25, 3:00 PM CDT	Big Muddy River · Bypass · 97,000 gallons report · notice · map	ended
May 13 ’25to May 13 ’25	Big Muddy River · Bypass · volume not reported report · notice · map	ended
Apr 5 ’25to Apr 12 ’25	Big Muddy River · Bypass · volume not reported report · notice · map	ended

Sources: EPA ECHO Sewer Overflow and Bypass Event report (reported to regulators), retrieved 2026-11-06 08:38 UTC. A report's record id and times show when you hover or focus its "report" link.

Download these reports as CSV

All reports in Illinois by year: 2026 (1 from Village of Royalton) · 2025 (4 from Village of Royalton)

Other sewer operators on these waters

Big Muddy River, IL: City of Carbondale, City of Grand Tower, City of Hurst, City of Murphysboro, City of Zeigler, Village of Desoto

The last 90 days

Last 90 days, hour by hour. Red: discharge or advisory reported. Amber: caution. Hatched amber: end not confirmed. Plum: algal bloom advisory. Red or amber with a light line inside: beach advisory or caution. Dotted: monthly report (days with discharge, dates not given). Grey: no current status on the water outline. Purple hatching: a status resting on a source that could not be checked on schedule.

No discharge, advisory or caution periods are shown for the waters this sewer operator's reports were placed on in this time span. Check downstream stretches and source coverage.

Source: DirtyWaterWatch calculations using the reports named above and the published status rules. Updated 2026-11-06 09:03 UTC.

Reported discharges over time

Historical charts are not available here. See the reports and sources on this page.