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Clean Water Act discharge permit · NPDES IA0047759

COLO CITY OF STP, Colo, IA: NPDES IA0047759 discharge permit, effluent exceedances, inspections, penalties

COLO CITY OF STP, held by CITY OF COLO, holds NPDES permit IA0047759. EPA’s file records it issued July 1, 2012 and expiring June 30, 2017.

COLO CITY OF STP, Colo, Iowa: Individual permit IA0047759, held by CITY OF COLO; Publicly owned treatment works; Effective; issued July 1, 2012, term to June 30, 2017, by STA.

  • Solids, total suspended: 2 limits, 22 violations of any kind, 0 effluent exceedances.
  • BOD, carbonaceous [5 day, 20 C]: 2 limits, 22 violations of any kind, 0 effluent exceedances.
  • pH: 2 limits, 14 violations of any kind, 0 effluent exceedances.

Iowa holds 734 Publicly owned treatment works coverages of this permit type in EPA’s file; 69 were issued before IA0047759.

Coverages issued nearest IA0047759

COLO CITY OF STP among its neighbors

EPA’s permit file holds 2 discharge permits in the Dye Creek subwatershed (HUC 070801050603), IA0047759 among them. Its county holds 28, 3 of them major permits; IA0047759 is a minor permit.

Other permits in the Dye Creek subwatershed (HUC 070801050603)

Identity

Facility as filedCOLO CITY OF STP
Permittee as filedCITY OF COLO
NPDES IDIA0047759
Permit statusEffective
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedJuly 1, 2012
Expiration dateJune 30, 2017
Issuing agencySTA
AddressColo, IA 50056
SubwatershedDye Creek (HUC 070801050603)

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
Solids, total suspended2220
BOD, carbonaceous [5 day, 20 C]2220
pH2140

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES IA0047759.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES IA0047759.

Inspections

EPA’s inspection file holds no inspection for NPDES IA0047759.

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 IA0047759.

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Nearby on the register

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

What this page shows

This public-records page covers the NPDES discharge permit IA0047759 for COLO CITY OF STP in Colo, IA, held by CITY OF COLO, with status listed as Effective and a Minor discharger class. The facts list 3 pollutants on file, 3 under a numeric limit, 3 with a violation of any kind, and 0 with an effluent exceedance.