Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES IA0058599

LOGAN CITY OF STP, Logan, IA: NPDES IA0058599 discharge permit, effluent exceedances, inspections, penalties

LOGAN CITY OF STP, held by CITY OF LOGAN, holds NPDES permit IA0058599. EPA’s file records it issued April 1, 2023 and expiring March 31, 2028. 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 filedLOGAN CITY OF STP
Permittee as filedCITY OF LOGAN
NPDES IDIA0058599
Permit statusEffective
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedApril 1, 2023
Expiration dateMarch 31, 2028
Issuing agencySTA
AddressLogan, IA 51546
SubwatershedHarris Grove Creek-Boyer River (HUC 102300070604)

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
Flow, in conduit or thru treatment plant074June 30, 201660% over the limit
pH563June 30, 2011
Solids, total suspended1020
BOD, carbonaceous [5 day, 20 C]520
BOD, 5-day, 20 deg. C500
Nitrogen, ammonia total [as N]500
Nitrogen, Kjeldahl, total [as N]500
Chloride [as Cl]500
Sulfate, total [as SO4]500
E. coli300
Depth of pond or reservoir in feet300

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 IA0058599.

Inspections

EPA’s inspection file holds no inspection for NPDES IA0058599.

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 IA0058599.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, IA0058599.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

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 IA0058599 there.

LOGAN CITY OF STP, Logan, Iowa: Individual permit IA0058599, held by CITY OF LOGAN; Publicly owned treatment works; Effective; issued April 1, 2023, term to March 31, 2028, by STA.

  • Flow, in conduit or thru treatment plant: 0 limits, 7 violations of any kind, 4 effluent exceedances, latest June 30, 2016, largest 60% over the limit.
  • pH: 5 limits, 6 violations of any kind, 3 effluent exceedances, latest June 30, 2011.
  • Solids, total suspended: 10 limits, 2 violations of any kind, 0 effluent exceedances.
  • BOD, carbonaceous [5 day, 20 C]: 5 limits, 2 violations of any kind, 0 effluent exceedances.
  • BOD, 5-day, 20 deg. C: 5 limits, 0 violations of any kind, 0 effluent exceedances.
  • Nitrogen, ammonia total [as N]: 5 limits, 0 violations of any kind, 0 effluent exceedances.
  • Nitrogen, Kjeldahl, total [as N]: 5 limits, 0 violations of any kind, 0 effluent exceedances.
  • Chloride [as Cl]: 5 limits, 0 violations of any kind, 0 effluent exceedances.
  • Sulfate, total [as SO4]: 5 limits, 0 violations of any kind, 0 effluent exceedances.
  • E. coli: 3 limits, 0 violations of any kind, 0 effluent exceedances.
  • Depth of pond or reservoir in feet: 3 limits, 0 violations of any kind, 0 effluent exceedances.

Iowa holds 734 Publicly owned treatment works coverages of this permit type in EPA’s file; 704 were issued before IA0058599.

Coverages issued nearest IA0058599

LOGAN CITY OF STP among its neighbors

EPA’s permit file holds 1 discharge permits in the Harris Grove Creek-Boyer River subwatershed (HUC 102300070604), IA0058599 among them. Its county holds 10, 0 of them major permits; IA0058599 is a minor permit.

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 IA0058599 for LOGAN CITY OF STP in Logan, IA, held by CITY OF LOGAN, with an Effective permit status and a Minor discharger class. The page lists 11 pollutants on file, 10 under a numeric limit, 4 with a violation of any kind, and 2 with an effluent exceedance.