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 IA0074420

CENTER POINT, CITY OF STP (SOUTH), Center Point, IA: NPDES IA0074420 discharge permit, effluent exceedances, inspections, penalties

CENTER POINT, CITY OF STP (SOUTH), held by CITY OF CENTER POINT, holds NPDES permit IA0074420. EPA’s file records it issued August 1, 2017 and expiring July 31, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedCENTER POINT, CITY OF STP (SOUTH)
Permittee as filedCITY OF CENTER POINT
NPDES IDIA0074420
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedAugust 1, 2017
Expiration dateJuly 31, 2022
Issuing agencySTA
AddressCenter Point, IA 52213
SubwatershedNelson Creek-Cedar River (HUC 070802051504)
NAICS221320 – Sewage Treatment Facilities
SIC4952 – Sewerage Systems

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same 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
Nitrogen, ammonia total [as N]604242March 31, 2024698% over the limit
Flow, in conduit or thru treatment plant03333April 30, 2017330,896,064% over the limit
pH53126January 31, 2024
Nitrogen, total [as N]22824March 31, 2023293% over the limit
BOD, carbonaceous [5 day, 20 C]42618October 31, 2023228% over the limit
Solids, total suspended92816December 31, 2018242% over the limit
Oxygen, dissolved [DO]173July 31, 202330% over the limit
BOD, 5-day, 20 deg. C500

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 IA0074420.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

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, IA0074420.

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 IA0074420 there.

Nearby on the register

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

What this page shows

This public-records page covers NPDES permit IA0074420 for CENTER POINT, CITY OF STP (SOUTH) in Center Point, IA, held by CITY OF CENTER POINT, with an administratively continued status as of the October 14, 2026 load date. The facts list 7 pollutants under a numeric limit and 7 pollutants with an effluent exceedance, and the subwatershed is Nelson Creek-Cedar River (HUC 070802051504).