Clean Water Act discharge permit · NPDES IL0027006

MORRISON STP, CITY OF, Morrison, IL: NPDES IL0027006 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
28Pollutants under a numeric limit
2Pollutants with an effluent exceedance

MORRISON STP, CITY OF, held by MORRISON STP, holds NPDES permit IL0027006, which discharges to Rock Creek. EPA’s file records it issued March 10, 2006 and expiring April 30, 2011. 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.

Identity

Facility as filed	MORRISON STP, CITY OF
Permittee as filed	MORRISON STP
NPDES ID	IL0027006
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	March 10, 2006
Expiration date	April 30, 2011
Address	Morrison, IL 61270
Receiving water	ROCK CREEK
Subwatershed	Little Spring Creek-Rock Creek (HUC 070900050904)

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

Effluent limits and exceedances

28Pollutants on file
28Under a numeric limit
28With a violation of any kind
2With 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
Copper, total [as Cu]	2	89	5	March 31, 2009	37% over the limit
Nitrogen, ammonia total [as N]	48	224	4	March 31, 2006	87% over the limit
Solids, total suspended	5	315	0
Flow, in conduit or thru treatment plant	4	252	0
BOD, carbonaceous [5 day, 20 C]	4	252	0
pH	2	126	0
Chlorine, total residual	2	63	0
BOD, 5-day, 20 deg. C	1	63	0
Coliform, fecal general	1	35	0
Oil & Grease	1	2	0
Cyanide, weak acid, dissociable	1	2	0
Cyanide, total [as CN]	1	2	0
Fluoride, total [as F]	1	2	0
Arsenic, total [as As]	1	2	0
Barium, total [as Ba]	1	2	0
Cadmium, total [as Cd]	1	2	0
Chromium, hexavalent [as Cr]	1	2	0
Chromium, total [as Cr]	1	2	0
Iron, total [as Fe]	1	2	0
Iron, dissolved [as Fe]	1	2	0
Lead, total [as Pb]	1	2	0
Manganese, total [as Mn]	1	2	0
Nickel, total [as Ni]	1	2	0
Silver, total [as Ag]	1	2	0
Zinc, total [as Zn]	1	2	0
Selenium, total [as Se]	1	2	0
Phenolics, total recoverable	1	2	0
Mercury, total [as Hg]	1	2	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 IL0027006.

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 IL0027006 there.

Nearby on the register

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

This public-records page covers the Clean Water Act discharge permit NPDES IL0027006, held by MORRISON STP for the MORRISON STP, CITY OF facility in Morrison, IL, which discharges to Rock Creek within the Little Spring Creek-Rock Creek subwatershed (HUC 070900050904). The page lists a permit status of Administratively continued, a Minor Discharger class, 28 pollutants on file, 28 under a numeric limit, 28 with a violation of any kind, and 2 with an effluent exceedance.