Clean Water Act discharge permit · NPDES IN0063614

CENTURY OIL COMPANY, INC, Clermont, IN: NPDES IN0063614 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
6Pollutants under a numeric limit
1Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

CENTURY OIL COMPANY, INC, held by CENTURY OIL COMPANY INC., holds NPDES permit IN0063614, which discharges to Clermont Creek. EPA’s file records it issued April 16, 2015 and expiring May 31, 2020. 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	CENTURY OIL COMPANY, INC
Permittee as filed	CENTURY OIL COMPANY INC.
NPDES ID	IN0063614
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	April 16, 2015
Expiration date	May 31, 2020
Issuing agency	IDEM
Address	Clermont, IN 46234
Receiving water	CLERMONT CREEK
Receiving water impaired	303(D) Listed
Subwatershed	Ristow Branch-Eagle Creek (HUC 051202011110)

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

Effluent limits and exceedances

6Pollutants on file
6Under a numeric limit
6With 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
Naphthalene	1	5	2	April 30, 2011	141% over the limit
pH	2	6	0
Flow, in conduit or thru treatment plant	2	6	0
Benzene, ethylbenzene, toluene, xylene combination	1	3	0
Benzene	1	3	0
Flow, total	1	3	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 IN0063614.

Inspections

EPA’s inspection file holds no inspection for NPDES IN0063614.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES IN0063614.

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 IN0063614 there.

CENTURY OIL COMPANY, INC, Clermont, Indiana: Individual permit IN0063614, held by CENTURY OIL COMPANY INC.; Administratively continued (past its expiration date and still in force until reissued); issued April 16, 2015, term to May 31, 2020, by IDEM; discharges to CLERMONT CREEK.

Naphthalene: 1 limit, 5 violations of any kind, 2 effluent exceedances, latest April 30, 2011, largest 141% over the limit.
pH: 2 limits, 6 violations of any kind, 0 effluent exceedances.
Flow, in conduit or thru treatment plant: 2 limits, 6 violations of any kind, 0 effluent exceedances.
Benzene, ethylbenzene, toluene, xylene combination: 1 limit, 3 violations of any kind, 0 effluent exceedances.
Benzene: 1 limit, 3 violations of any kind, 0 effluent exceedances.
Flow, total: 1 limit, 3 violations of any kind, 0 effluent exceedances.

CENTURY OIL COMPANY, INC among its neighbors

EPA’s permit file holds 60 discharge permits in the Ristow Branch-Eagle Creek subwatershed (HUC 051202011110), IN0063614 among them. Its county holds 277, 6 of them major permits; IN0063614 is a minor permit.

Other permits in the Ristow Branch-Eagle Creek subwatershed (HUC 051202011110)

ALLIED ELECTRIC WAREHOUSE BUILDING, Indianapolis: INRA07721, minor permit, permit term to April 22, 2026
B&O TRAIL FAR WEST EXTENSION, Wayne: INRA14500, minor permit, permit term to August 21, 2029
B&O TRAIL PHASE 6, Wayne: INRA14464, minor permit, permit term to September 9, 2029
BELMONT REAL ESTATE EHOB EXPANSION, Indianapolis: INRA07481, minor permit, permit term to May 3, 2026
BLUE LAKE CLEAN FILL DISPOSAL SITE TRAILER PARK ANNEX, Indianapolis: INRA05198, minor permit, permit term to March 15, 2025
BUCKEYE PIPELINE COMPANY 3 COUNTIES, Statewide: IN0056979, minor permit, discharging to HENDRICKS,HUNTINGTON,&LAKE COUNTIES, permit term to October 31, 2018
BUGGY WORKS, Indianapolis: INRA18497, minor permit, permit term to July 9, 2031
BUGGYWORKS, Brownsburg: INRA18415, minor permit, permit term to June 22, 2031
BUTLER GARDEN CENTER, Indianapolis: INRA15052, minor permit, permit term to November 24, 2029
CHAPEL HILL PARK, Indianapolis: INRA14875, minor permit, permit term to October 23, 2029

Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES IN0063614 held by Century Oil Company, Inc. of Clermont, IN, which discharges to Clermont Creek and is administratively continued past its expiration date. The page lists 6 pollutants on file, 6 under a numeric limit, and 1 with an effluent exceedance.