Clean Water Act discharge permit · NPDES ILR10ZF74

HILL STREET DEVELOPMENT, Mount Morris, IL: NPDES ILR10ZF74 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

HILL STREET DEVELOPMENT, held by North Arrow Partners, holds NPDES permit ILR10ZF74. EPA’s file records it issued March 17, 2025 and expiring August 31, 2028. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for HILL STREET DEVELOPMENT: its NPDES ID, its permit type and status, its dates, its address in Mount Morris, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZF74.

Identity

Facility as filed	HILL STREET DEVELOPMENT
Permittee as filed	North Arrow Partners
NPDES ID	ILR10ZF74
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Construction stormwater
Issued	March 17, 2025
Expiration date	August 31, 2028
Issuing agency	IEPA
Address	Mount Morris, IL 61054
Subwatershed	Coon Creek-Pine Creek (HUC 070900050502)

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

Effluent limits and exceedances

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES ILR10ZF74.

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 ILR10ZF74.

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 ILR10ZF74 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

This public-records page covers Clean Water Act NPDES permit ILR10ZF74 for HILL STREET DEVELOPMENT in Mount Morris, IL, held by North Arrow Partners, with an Effective permit status, a Minor discharger class, and a construction stormwater program under general permit coverage. The permit was issued March 17, 2025 and expires August 31, 2028, and the page lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance. It also records no effluent or single-event violation for this permit in EPA's files, in the watershed Coon Creek-Pine Creek (HUC 070900050502).