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Clean Water Act discharge permit · NPDES IN0032573

COLUMBUS WWTP, CITY OF, Columbus, IN: NPDES IN0032573 discharge permit, effluent exceedances, inspections, penalties

COLUMBUS WWTP, CITY OF holds NPDES permit IN0032573, which discharges to E Fk White R To White R To Wabash R. EPA’s file records it issued December 26, 2019 and expiring March 31, 2025. 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 filedCOLUMBUS WWTP, CITY OF
Permittee as filedCOLUMBUS WWTP, CITY OF
NPDES IDIN0032573
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedDecember 26, 2019
Expiration dateMarch 31, 2025
Issuing agencyIDEM
AddressColumbus, IN 47201
Receiving waterE FK WHITE R TO WHITE R TO WABASH R
Receiving water impaired303(D) Listed
SubwatershedLittle Haw Creek-Haw Creek (HUC 051202050605)

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

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
E. coli, colony forming units [CFU]55751April 30, 20252,879% over the limit
Chlorine, total residual22214April 30, 20182,267% over the limit
Nitrogen, ammonia total [as N]8408June 30, 201132% over the limit
E. coli, MTEC-MF077June 30, 200126,794% over the limit
Solids, total suspended6323February 29, 2008431% over the limit
Lead, sludge, total, dry weight [as Pb]022June 30, 2007303% over the limit
Phosphorus, total percent removal022September 30, 2003396% over the limit
BOD, carbonaceous [5 day, 20 C]6191January 31, 2000171% over the limit
pH4191October 31, 2005
Copper, dry weight011December 31, 20092% over the limit
Cyanide, total [as CN]0180
Flow, in conduit or thru treatment plant3150
Lead, total recoverable2120
Oxygen, dissolved [DO]2110
Copper, total recoverable290
Nickel, total recoverable280
Zinc, total recoverable280
Cadmium, total recoverable280
Chromium, total recoverable280
Flow, total250
Cadmium, total [as Cd]040
Chromium, total [as Cr]040
Copper, total [as Cu]020
Lead, total [as Pb]020
Nickel, total [as Ni]020
Zinc, total [as Zn]020
Mercury, total [as Hg]020
Phosphorus, total [as P]410
Toxicity [acute], Ceriodaphnia dubia300
Toxicity [chronic], Ceriodaphnia dubia300
Toxicity [acute], Pimephales promelas [Fathead Minnow]300
Toxicity [chronic], Pimephales promelas [Fathead Minnow]300
Nitrogen, total [as N]200
Cyanide, free [as free]200
Cyanide, free [amenable to chlorination]200
Number of Events200

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES IN0032573.

Inspections

DateWhat EPA recordedAgency
July 22, 2026Plan ReviewS
April 1, 2026Reconnaissance without SamplingS

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 IN0032573.

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 IN0032573 there.

COLUMBUS WWTP, CITY OF, Columbus, Indiana: Individual permit IN0032573; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued December 26, 2019, term to March 31, 2025, by IDEM; discharges to E FK WHITE R TO WHITE R TO WABASH R.

  • E. coli, colony forming units [CFU]: 5 limits, 57 violations of any kind, 51 effluent exceedances, latest April 30, 2025, largest 2,879% over the limit.
  • Chlorine, total residual: 2 limits, 22 violations of any kind, 14 effluent exceedances, latest April 30, 2018, largest 2,267% over the limit.
  • Nitrogen, ammonia total [as N]: 8 limits, 40 violations of any kind, 8 effluent exceedances, latest June 30, 2011, largest 32% over the limit.
  • E. coli, MTEC-MF: 0 limits, 7 violations of any kind, 7 effluent exceedances, latest June 30, 2001, largest 26,794% over the limit.
  • Solids, total suspended: 6 limits, 32 violations of any kind, 3 effluent exceedances, latest February 29, 2008, largest 431% over the limit.
  • Lead, sludge, total, dry weight [as Pb]: 0 limits, 2 violations of any kind, 2 effluent exceedances, latest June 30, 2007, largest 303% over the limit.
  • Phosphorus, total percent removal: 0 limits, 2 violations of any kind, 2 effluent exceedances, latest September 30, 2003, largest 396% over the limit.
  • BOD, carbonaceous [5 day, 20 C]: 6 limits, 19 violations of any kind, 1 effluent exceedance, latest January 31, 2000, largest 171% over the limit.
  • pH: 4 limits, 19 violations of any kind, 1 effluent exceedance, latest October 31, 2005.
  • Copper, dry weight: 0 limits, 1 violation of any kind, 1 effluent exceedance, latest December 31, 2009, largest 2% over the limit.
  • Cyanide, total [as CN]: 0 limits, 18 violations of any kind, 0 effluent exceedances.
  • Flow, in conduit or thru treatment plant: 3 limits, 15 violations of any kind, 0 effluent exceedances.
  • Lead, total recoverable: 2 limits, 12 violations of any kind, 0 effluent exceedances.
  • Oxygen, dissolved [DO]: 2 limits, 11 violations of any kind, 0 effluent exceedances.
  • Copper, total recoverable: 2 limits, 9 violations of any kind, 0 effluent exceedances.
  • Nickel, total recoverable: 2 limits, 8 violations of any kind, 0 effluent exceedances.
  • Zinc, total recoverable: 2 limits, 8 violations of any kind, 0 effluent exceedances.
  • Cadmium, total recoverable: 2 limits, 8 violations of any kind, 0 effluent exceedances.
  • Chromium, total recoverable: 2 limits, 8 violations of any kind, 0 effluent exceedances.
  • Flow, total: 2 limits, 5 violations of any kind, 0 effluent exceedances.
  • Cadmium, total [as Cd]: 0 limits, 4 violations of any kind, 0 effluent exceedances.
  • Chromium, total [as Cr]: 0 limits, 4 violations of any kind, 0 effluent exceedances.
  • Copper, total [as Cu]: 0 limits, 2 violations of any kind, 0 effluent exceedances.
  • Lead, total [as Pb]: 0 limits, 2 violations of any kind, 0 effluent exceedances.
  • Nickel, total [as Ni]: 0 limits, 2 violations of any kind, 0 effluent exceedances.
  • Zinc, total [as Zn]: 0 limits, 2 violations of any kind, 0 effluent exceedances.
  • Mercury, total [as Hg]: 0 limits, 2 violations of any kind, 0 effluent exceedances.
  • Phosphorus, total [as P]: 4 limits, 1 violation of any kind, 0 effluent exceedances.
  • Toxicity [acute], Ceriodaphnia dubia: 3 limits, 0 violations of any kind, 0 effluent exceedances.
  • Toxicity [chronic], Ceriodaphnia dubia: 3 limits, 0 violations of any kind, 0 effluent exceedances.
  • Toxicity [acute], Pimephales promelas [Fathead Minnow]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
  • Toxicity [chronic], Pimephales promelas [Fathead Minnow]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
  • Nitrogen, total [as N]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • Cyanide, free [as free]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • Cyanide, free [amenable to chlorination]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • Number of Events: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • July 22, 2026: Plan Review (S).
  • April 1, 2026: Reconnaissance without Sampling (S).

Indiana holds 541 Publicly owned treatment works coverages of this permit type in EPA’s file; 355 were issued before IN0032573. COLUMBUS WWTP, CITY OF holds 2 permits in Indiana.

Other permits held by COLUMBUS WWTP, CITY OF

Coverages issued nearest IN0032573

COLUMBUS WWTP, CITY OF among its neighbors

EPA’s permit file holds 30 discharge permits in the Little Haw Creek-Haw Creek subwatershed (HUC 051202050605), IN0032573 among them. Its county holds 65, 2 of them major permits; IN0032573 is a major permit.

Other permits in the Little Haw Creek-Haw Creek subwatershed (HUC 051202050605)

Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES IN0032573 for COLUMBUS WWTP, CITY OF in Columbus, IN, which is listed as administratively continued and classed as a Major Discharger. The page lists 24 pollutants under a numeric limit, 10 pollutants with an effluent exceedance, and 36 in its effluent limits and exceedances section.