Clean Water Act discharge permit · NPDES ILG620057

EXPLORER PIPELINE MANHATTAN PRIVATE SEWAGE DISPOSAL SYSTEM, Manhattan, IL: NPDES ILG620057 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
7Pollutants under a numeric limit
1Pollutants with an effluent exceedance

EXPLORER PIPELINE MANHATTAN PRIVATE SEWAGE DISPOSAL SYSTEM, held by SUE MCCORMACK, holds NPDES permit ILG620057, which discharges to Unnamed Tributary To Prairie Creek. EPA’s file records it issued February 19, 2021 and expiring September 30, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	EXPLORER PIPELINE MANHATTAN PRIVATE SEWAGE DISPOSAL SYSTEM
Permittee as filed	SUE MCCORMACK
NPDES ID	ILG620057
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	February 19, 2021
Expiration date	September 30, 2025
Address	Manhattan, IL 60442
Receiving water	UNNAMED TRIBUTARY TO PRAIRIE CREEK
Subwatershed	Headwaters Prairie Creek (HUC 071200011807)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

12Pollutants on file
7Under a numeric limit
12With a violation of any kind
1With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
BOD, 5-day, 20 deg. C	2	12	2	February 28, 2026	1,900% over the limit
pH	2	20	0
Solids, total suspended	2	10	0
Oxygen, dissolved [DO]	1	10	0
Flow, in conduit or thru treatment plant	1	10	0
Chlorine, total residual	1	10	0
Coliform, fecal general	1	10	0
Color	0	10	0
Odor [Threshold Number]	0	10	0
Oil & grease severity	0	10	0
Debris, floating [severity]	0	10	0
Chemical Oxygen Demand [COD]	0	10	0

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES ILG620057.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID ILG620057 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers Clean Water Act discharge permit NPDES ILG620057 for EXPLORER PIPELINE MANHATTAN PRIVATE SEWAGE DISPOSAL SYSTEM in Manhattan, IL, held by SUE MCCORMACK, with status administratively continued and a Minor Discharger class of 7. The page lists 1 pollutant under a numeric limit and 1 pollutant with an effluent exceedance, with the permit issued February 19, 2021 and expiring September 30, 2025, and the receiving water recorded as Unnamed Tributary To Prairie Creek in the Headwaters Prairie Creek subwatershed (HUC 071200011807).