Clean Water Act discharge permit · NPDES IA0025950
LAURENS CITY OF STP, Laurens, IA: NPDES IA0025950 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 16Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
LAURENS CITY OF STP, held by CITY OF LAURENS, holds NPDES permit IA0025950. EPA’s file records it issued September 1, 2021 and expiring August 31, 2026. 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 | LAURENS CITY OF STP |
|---|---|
| Permittee as filed | CITY OF LAURENS |
| NPDES ID | IA0025950 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | September 1, 2021 |
| Expiration date | August 31, 2026 |
| Issuing agency | STA |
| Address | Laurens, IA 50554 |
| Subwatershed | Headwaters Cedar Creek (HUC 071000060202) |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
| Other EPA IDs (FRS) | RCRA handler IAP000000364; ICIS-AIR source IA0000001915100044 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 17Pollutants on file
- 16Under a numeric limit
- 6With a violation of any kind
- 4With 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 |
|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | 0 | 256 | 249 | April 30, 2021 | 680% over the limit |
| Solids, total suspended | 9 | 29 | 20 | September 30, 2025 | 122% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 29 | 18 | September 30, 2025 | 197% over the limit |
| pH | 5 | 4 | 3 | May 31, 2026 | |
| Nitrogen, Kjeldahl, total [as N] | 7 | 1 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 1 | 0 | ||
| Nitrogen, ammonia total [as N] | 48 | 0 | 0 | ||
| BOD, 5-day, 20 deg. C | 5 | 0 | 0 | ||
| Nitrogen, total [as N] | 5 | 0 | 0 | ||
| Phosphorus, total [as P] | 5 | 0 | 0 | ||
| Cyanide, total [as CN] | 5 | 0 | 0 | ||
| Cadmium, total [as Cd] | 5 | 0 | 0 | ||
| Chromium, hexavalent [as Cr] | 5 | 0 | 0 | ||
| Copper, total [as Cu] | 5 | 0 | 0 | ||
| Lead, total [as Pb] | 5 | 0 | 0 | ||
| Nickel, total [as Ni] | 5 | 0 | 0 | ||
| Silver, total [as Ag] | 5 | 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 IA0025950.
Inspections
EPA’s inspection file holds no inspection for NPDES IA0025950.
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 IA0025950.
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
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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 IA0025950 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.