Clean Water Act discharge permit · NPDES IN0020702

HANOVER WWTP, Hanover, IN: NPDES IN0020702 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
10Pollutants under a numeric limit
5Pollutants with an effluent exceedance
1Inspections on file
0Formal enforcement actions

HANOVER WWTP holds NPDES permit IN0020702, which discharges to Ohio River. EPA’s file records it issued January 11, 2019 and expiring March 31, 2024.

HANOVER WWTP, Hanover, Indiana: Individual permit IN0020702; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued January 11, 2019, term to March 31, 2024, by IDEM; discharges to OHIO RIVER; Sewage Treatment Facilities.

Solids, total suspended: 12 limits, 51 violations of any kind, 43 effluent exceedances, latest June 30, 2019, largest 762% over the limit.
E. coli, MTEC-MF: 0 limits, 14 violations of any kind, 14 effluent exceedances, latest June 30, 2001, largest 123% over the limit.
E. coli, colony forming units [CFU]: 6 limits, 16 violations of any kind, 13 effluent exceedances, latest August 31, 2018, largest 304% over the limit.
BOD, carbonaceous [5 day, 20 C]: 12 limits, 19 violations of any kind, 11 effluent exceedances, latest June 30, 2002, largest 211% over the limit.
Nitrogen, ammonia total [as N]: 16 limits, 5 violations of any kind, 1 effluent exceedance, latest October 31, 2024, largest 30% over the limit.
Flow, in conduit or thru treatment plant: 4 limits, 10 violations of any kind, 0 effluent exceedances.
pH: 4 limits, 8 violations of any kind, 0 effluent exceedances.
Coliform, fecal general: 1 limit, 4 violations of any kind, 0 effluent exceedances.
Solids, suspended percent removal: 0 limits, 4 violations of any kind, 0 effluent exceedances.
BOD, carb-5 day, 20 deg C, percent removal: 0 limits, 3 violations of any kind, 0 effluent exceedances.
Number of Events: 4 limits, 0 violations of any kind, 0 effluent exceedances.
Oxygen, dissolved [DO]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Flow, total: 2 limits, 0 violations of any kind, 0 effluent exceedances.

February 3, 2026: Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment (ST6).
February 3, 2026: Management Practice Violations - Inflow/Infiltration (I/I) (ST6).
February 3, 2026: Evaluation (S).

Indiana holds 541 Publicly owned treatment works coverages of this permit type in EPA’s file; 261 were issued before IN0020702.

Coverages issued nearest IN0020702

December 13, 2018: BURLINGTON WASTEWATER TREATMENT PLANT, Burlington, IN0039799
December 20, 2018: ATTICA MUNICIPAL WWTP, Attica, IN0020222
January 2, 2019: ARGOS WASTEWATER TREATMENT PLANT, Argos, IN0022284
January 2, 2019: WESTERN WAYNE REGIONAL SEWER DISTRICT WWTP, Cambridge City, IN0054402, held by WESTERN WAYNE RSD
January 11, 2019: FERDINAND WASTEWATER TREATMENT PLANT, Ferdinand, IN0020648, held by FERDINAND WWTP
January 30, 2019: LYONS MUNICIPAL WWTP, Lyons, IN0023639, held by LYONS WASTEWATER TREATMENT PLANT
January 30, 2019: THRALLS STATION REGIONAL SEWER DISTRICT, Vigo County, IN0109592, held by THRALLS STATION RSD (ST. MARY OF THE WOODS WWTP)
January 31, 2019: SANTA CLAUS WASTEWATER TREATMENT PLANT, Santa Claus, IN0020605, held by SANTA CLAUS WWTP, TOWN OF
February 5, 2019: LINTON WWTP, West Linton, IN0020575, held by LINTON WWTP, CITY OF
February 5, 2019: DUPONT WWTP, Dupont, IN0022802

HANOVER WWTP among its neighbors

EPA’s permit file holds 46 discharge permits in the Crooked Creek-Ohio River subwatershed (HUC 051401010302), IN0020702 among them. Its county holds 24, 2 of them major permits; IN0020702 is a minor permit.

Other permits in the Crooked Creek-Ohio River subwatershed (HUC 051401010302)

2022 SANITARY SYSTEM IMPROVEMENTS, Hanover: INRA09583, minor permit, permit term to April 26, 2027
ARVIN SANGO INCORPORATED, Madison: INRM00868, minor permit, discharging to Little Clifty Creek, permit term to July 20, 2024
ARVIN SANGO MANIFOLD, Madison: INRA18073, minor permit, permit term to May 3, 2031
ARVIN SANGO WEST DRIVE, Madison: INRA17562, minor permit, permit term to February 10, 2031
CITY OF MADISON WATER UTILITY IMPROVEMENTS, Madison: INRA12190, minor permit, permit term to July 20, 2028
CLIFTY CREEK - MIAMI FORT DUKE, Madison: INRA18648, minor permit, permit term to August 3, 2031
CRYSTAL BEACH POOL, Madison: INRA10634, minor permit, permit term to October 20, 2027
DAVE O'MARA COMMERCIAL STOCKPILE SITE 2 AT DAWSON SMITH, Madison: INRA14289, minor permit, permit term to July 21, 2029
DUKE ENERGY MADISON 3477 RELOCATION PROJECT (WO 29582409), Madison: INRA10203, minor permit, permit term to July 25, 2027
FRITO LAY MADISON, Madison: INRA06827, minor permit, permit term to January 11, 2026

Identity

Facility as filed	HANOVER WWTP
Permittee as filed	HANOVER WWTP
NPDES ID	IN0020702
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	January 11, 2019
Expiration date	March 31, 2024
Issuing agency	IDEM
Address	Hanover, IN 47243
Receiving water	OHIO RIVER
Receiving water impaired	303(D) Listed
Subwatershed	Crooked Creek-Ohio River (HUC 051401010302)
NAICS	221320 – Sewage Treatment Facilities
SIC	4952 – Sewerage Systems

Effluent limits and exceedances

13Pollutants on file
10Under a numeric limit
10With a violation of any kind
5With 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
Solids, total suspended	12	51	43	June 30, 2019	762% over the limit
E. coli, MTEC-MF	0	14	14	June 30, 2001	123% over the limit
E. coli, colony forming units [CFU]	6	16	13	August 31, 2018	304% over the limit
BOD, carbonaceous [5 day, 20 C]	12	19	11	June 30, 2002	211% over the limit
Nitrogen, ammonia total [as N]	16	5	1	October 31, 2024	30% over the limit
Flow, in conduit or thru treatment plant	4	10	0
pH	4	8	0
Coliform, fecal general	1	4	0
Solids, suspended percent removal	0	4	0
BOD, carb-5 day, 20 deg C, percent removal	0	3	0
Number of Events	4	0	0
Oxygen, dissolved [DO]	2	0	0
Flow, total	2	0	0

Inspections, violations and enforcement

2Single-event violations

Date	What EPA recorded	Agency
February 3, 2026	Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment	ST6
February 3, 2026	Management Practice Violations - Inflow/Infiltration (I/I)	ST6

Inspections

Date	What EPA recorded	Agency
February 3, 2026	Evaluation	S

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 IN0020702.

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

HANOVER WWTP (NPDES IN0020702) in Hanover, IN, holds an individual minor-discharger permit for a publicly owned treatment works discharging to the OHIO RIVER, within subwatershed Crooked Creek-Ohio River (HUC 051401010302), with the permit issued January 11, 2019 and expiring March 31, 2024. The page lists 5 pollutants under a numeric limit and 5 pollutants with an effluent exceedance, and shows the permit as administratively continued.