Clean Water Act discharge permit · NPDES IA0033227
PRINCETON CITY OF STP, Princeton, IA: NPDES IA0033227 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
PRINCETON CITY OF STP, held by CITY OF PRINCETON, holds NPDES permit IA0033227. EPA’s file records it issued July 1, 2017 and expiring June 30, 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 filed | PRINCETON CITY OF STP |
|---|---|
| Permittee as filed | CITY OF PRINCETON |
| NPDES ID | IA0033227 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | July 1, 2017 |
| Expiration date | June 30, 2022 |
| Issuing agency | STA |
| Address | Princeton, IA 52768 |
| Subwatershed | Cordova Slough-Mississippi River (HUC 070801010402) |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – 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
- 8Pollutants on file
- 7Under a numeric limit
- 6With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 51 | 71 | 63 | April 30, 2025 | 160% over the limit |
| Flow, in conduit or thru treatment plant | 0 | 44 | 44 | September 30, 2011 | 311% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 7 | 44 | 14 | January 31, 2024 | 284% over the limit |
| Solids, total suspended | 12 | 36 | 6 | April 30, 2026 | 46% over the limit |
| E. coli | 6 | 4 | 4 | July 31, 2024 | 5,051% over the limit |
| pH | 8 | 4 | 0 | ||
| BOD, 5-day, 20 deg. C | 5 | 0 | 0 | ||
| Depth of pond or reservoir in feet | 3 | 0 | 0 |
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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES IA0033227.
Inspections
EPA’s inspection file holds no inspection for NPDES IA0033227.
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 IA0033227.
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, IA0033227.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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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 IA0033227 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.