Clean Water Act discharge permit · NPDES IN0021628

HARTFORD CITY WWTP, Hartford City, IN: NPDES IN0021628 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MajorDischarger class
28Pollutants under a numeric limit
13Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

HARTFORD CITY WWTP holds NPDES permit IN0021628, which discharges to Mississinewa R Via Big Lick Cr Trib. EPA’s file records it issued June 20, 2019 and expiring August 31, 2024.

HARTFORD CITY WWTP, Hartford City, Indiana: Individual permit IN0021628; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued June 20, 2019, term to August 31, 2024, by IDEM; discharges to MISSISSINEWA R VIA BIG LICK CR TRIB.

Solids, total suspended: 8 limits, 61 violations of any kind, 51 effluent exceedances, latest June 30, 2026, largest 678% over the limit.
Nitrogen, ammonia total [as N]: 8 limits, 50 violations of any kind, 40 effluent exceedances, latest February 28, 2026, largest 261% over the limit.
BOD, carbonaceous [5 day, 20 C]: 8 limits, 34 violations of any kind, 24 effluent exceedances, latest February 28, 2025, largest 557% over the limit.
Chlorine, total residual: 2 limits, 8 violations of any kind, 8 effluent exceedances, latest September 30, 2018, largest 4,400% over the limit.
E. coli, MTEC-MF: 0 limits, 8 violations of any kind, 8 effluent exceedances, latest October 31, 2000, largest 3,304% over the limit.
Mercury, total recoverable: 3 limits, 9 violations of any kind, 6 effluent exceedances, latest February 28, 2025, largest 379% over the limit.
E. coli, colony forming units [CFU]: 3 limits, 5 violations of any kind, 4 effluent exceedances, latest October 31, 2015, largest 791% over the limit.
Oxygen, dissolved [DO]: 2 limits, 5 violations of any kind, 3 effluent exceedances, latest December 31, 2014, largest 52% over the limit.
Toxicity [chronic], Pimephales promelas [Fathead Minnow]: 3 limits, 4 violations of any kind, 3 effluent exceedances, latest September 30, 2018, largest 100% over the limit.
Molybdenum, sludge, total, dry weight [as Mo]: 2 limits, 3 violations of any kind, 1 effluent exceedance, latest September 30, 2005, largest 31% over the limit.
Toxicity [chronic], Ceriodaphnia dubia: 3 limits, 2 violations of any kind, 1 effluent exceedance, latest August 31, 2018, largest 100% over the limit.
Toxicity [acute], Pimephales promelas [Fathead Minnow]: 3 limits, 2 violations of any kind, 1 effluent exceedance, latest September 30, 2018, largest 10% over the limit.
Lead, sludge, total, dry weight [as Pb]: 2 limits, 1 violation of any kind, 1 effluent exceedance, latest September 30, 2009, largest 36% over the limit.
pH: 2 limits, 4 violations of any kind, 0 effluent exceedances.
Flow, in conduit or thru treatment plant: 1 limit, 4 violations of any kind, 0 effluent exceedances.
Nitrogen, total [as N]: 2 limits, 3 violations of any kind, 0 effluent exceedances.
Duration: 15 limits, 2 violations of any kind, 0 effluent exceedances.
Overflow volume [SS0 volume, CSO volume]: 15 limits, 2 violations of any kind, 0 effluent exceedances.
Discharge event observation [Visual Monitoring]: 15 limits, 2 violations of any kind, 0 effluent exceedances.
Phosphorus, total [as P]: 4 limits, 2 violations of any kind, 0 effluent exceedances.
Flow, wastewater by-passing trtmnt plant: 0 limits, 2 violations of any kind, 0 effluent exceedances.
Toxicity [acute], Ceriodaphnia dubia: 3 limits, 1 violation of any kind, 0 effluent exceedances.
Zinc, sludge, total, dry weight [as Zn]: 2 limits, 1 violation of any kind, 0 effluent exceedances.
LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia: 0 limits, 1 violation of any kind, 0 effluent exceedances.
LC50 Static Renewal 96Hr Acute Pimephales promelas: 0 limits, 1 violation of any kind, 0 effluent exceedances.
NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia: 0 limits, 1 violation of any kind, 0 effluent exceedances.
Noel Statre 7Day Chronic Pimephales: 0 limits, 1 violation of any kind, 0 effluent exceedances.
Precipitation, monthly accumulation: 15 limits, 0 violations of any kind, 0 effluent exceedances.
Copper, dry weight: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Cadmium, dry weight: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Number of Events: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Nickel, sludge, total, dry weight [as Ni]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Mercury, sludge, total, dry weight [as Hg]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Flow, total: 1 limit, 0 violations of any kind, 0 effluent exceedances.

Indiana holds 541 Publicly owned treatment works coverages of this permit type in EPA’s file; 305 were issued before IN0021628. HARTFORD CITY WWTP holds 2 permits in Indiana.

Other permits held by HARTFORD CITY WWTP

HARTFORD CITY WWTP, Hartford City: INL021628, issued January 1, 2021

Coverages issued nearest IN0021628

May 22, 2019: HENDRICKS COUNTY RSD, Avon, IN0057614
May 22, 2019: WHITESTOWN SOUTH WWTP, Whitestown, IN0064211
May 30, 2019: ALBION WWTP, Albion, IN0022144
May 30, 2019: HOBART WASTEWATER TREATMENT PLANT, Hobart, IN0061344
June 20, 2019: MONTICELLO WWTP, Monticello, IN0020176
June 20, 2019: MONROE CITY WWTP, Monroe City, IN0023795, held by MONROE CITY MUNICIPAL WWTP
June 20, 2019: OWENSVILLE MUNICIPAL WWTP, Owensville, IN0038288
June 20, 2019: LYNN WWTP, Lynn, IN0040967
June 20, 2019: MCCORDSVILLE WWTP, Mccordsville, IN0060542
July 3, 2019: GREENFIELD WWTP, Greenfield, IN0020109

HARTFORD CITY WWTP among its neighbors

EPA’s permit file holds 17 discharge permits in the Little Lick Creek-Big Lick Creek subwatershed (HUC 051201030301), IN0021628 among them. Its county holds 17, 1 of them major permits; IN0021628 is a major permit.

Other permits in the Little Lick Creek-Big Lick Creek subwatershed (HUC 051201030301)

3M COMPANY HARTFORD CITY, Hartford City: INRM00520, minor permit, permit term to March 8, 2022
AEP EAST MARION UPLAND HARTFORD CITY, Hartford City: INRA12092, minor permit, permit term to July 4, 2028
ARDAGH GLASS, INC., Dunkirk: IN0061816, minor permit, discharging to DUNKIRK DRAIN TO BIG LICK CREEK, permit term to April 30, 2023
BLACKFORD WIND ENERGY, Hartford City: INRA15478, minor permit, permit term to February 27, 2030
BSCI N-1435 PROJECT WO 98788290, Hartford City: INRA11980, minor permit, permit term to June 14, 2028
HARTFORD CITY PHASE 4 CSO MITIGATION PROJECT, Hartford City: INRA18166, minor permit, permit term to May 17, 2031
HARTFORD IRON & METAL COMPANY, Hartford City: INRA16571, minor permit, permit term to August 5, 2030
HARTFORD IRON & METAL INC, Hartford City: INRM02823, minor permit, permit term to December 20, 2026
JACKSON TOWNSHIP REGIONAL SEWER DISTRICT WASTEWATER SYSTEM IMPROVEMENTS, Millgrove: INRA10673, minor permit, permit term to October 10, 2027
JACKSON TOWNSHIP RSD, Hartford City: IN0061000, minor permit, discharging to BIG LICK CREEK, permit term to February 28, 2026

Identity

Facility as filed	HARTFORD CITY WWTP
Permittee as filed	HARTFORD CITY WWTP
NPDES ID	IN0021628
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Major discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	June 20, 2019
Expiration date	August 31, 2024
Issuing agency	IDEM
Address	Hartford City, IN 47348
Receiving water	MISSISSINEWA R VIA BIG LICK CR TRIB
Receiving water impaired	303(D) Listed
Subwatershed	Little Lick Creek-Big Lick Creek (HUC 051201030301)
Program components on file	Biosolids, CSO, POTW, Pretreatment
SIC	4952 – Sewerage Systems

Effluent limits and exceedances

34Pollutants on file
28Under a numeric limit
27With a violation of any kind
13With 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	8	61	51	June 30, 2026	678% over the limit
Nitrogen, ammonia total [as N]	8	50	40	February 28, 2026	261% over the limit
BOD, carbonaceous [5 day, 20 C]	8	34	24	February 28, 2025	557% over the limit
Chlorine, total residual	2	8	8	September 30, 2018	4,400% over the limit
E. coli, MTEC-MF	0	8	8	October 31, 2000	3,304% over the limit
Mercury, total recoverable	3	9	6	February 28, 2025	379% over the limit
E. coli, colony forming units [CFU]	3	5	4	October 31, 2015	791% over the limit
Oxygen, dissolved [DO]	2	5	3	December 31, 2014	52% over the limit
Toxicity [chronic], Pimephales promelas [Fathead Minnow]	3	4	3	September 30, 2018	100% over the limit
Molybdenum, sludge, total, dry weight [as Mo]	2	3	1	September 30, 2005	31% over the limit
Toxicity [chronic], Ceriodaphnia dubia	3	2	1	August 31, 2018	100% over the limit
Toxicity [acute], Pimephales promelas [Fathead Minnow]	3	2	1	September 30, 2018	10% over the limit
Lead, sludge, total, dry weight [as Pb]	2	1	1	September 30, 2009	36% over the limit
pH	2	4	0
Flow, in conduit or thru treatment plant	1	4	0
Nitrogen, total [as N]	2	3	0
Duration	15	2	0
Overflow volume [SS0 volume, CSO volume]	15	2	0
Discharge event observation [Visual Monitoring]	15	2	0
Phosphorus, total [as P]	4	2	0
Flow, wastewater by-passing trtmnt plant	0	2	0
Toxicity [acute], Ceriodaphnia dubia	3	1	0
Zinc, sludge, total, dry weight [as Zn]	2	1	0
LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia	0	1	0
LC50 Static Renewal 96Hr Acute Pimephales promelas	0	1	0
NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia	0	1	0
Noel Statre 7Day Chronic Pimephales	0	1	0
Precipitation, monthly accumulation	15	0	0
Copper, dry weight	2	0	0
Cadmium, dry weight	2	0	0
Number of Events	2	0	0
Nickel, sludge, total, dry weight [as Ni]	2	0	0
Mercury, sludge, total, dry weight [as Hg]	2	0	0
Flow, total	1	0	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES IN0021628.

Inspections

EPA’s inspection file holds no inspection for NPDES IN0021628.

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 IN0021628.

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

This public-records page covers NPDES permit IN0021628 for HARTFORD CITY WWTP in Hartford City, IN, which discharges to Mississinewa R Via Big Lick Cr Trib within the Little Lick Creek-Big Lick Creek subwatershed (HUC 051201030301). The page lists a Major Discharger class, 28 pollutants under a numeric limit, and 13 pollutants with an effluent exceedance, with the permit shown as administratively continued.