Clean Water Act discharge permit · NPDES IA0083402
LAKE RED ROCK - WHITEBREAST SEWAGE LAGOON, Knoxville, IA: NPDES IA0083402 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
LAKE RED ROCK - WHITEBREAST SEWAGE LAGOON, held by US ARMY CORPS OF ENGINEERS, RO MAJ PHIL VALENTI, holds NPDES permit IA0083402. EPA’s file records it issued June 1, 2011 and expiring May 31, 2016. 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 filed | LAKE RED ROCK - WHITEBREAST SEWAGE LAGOON |
|---|---|
| Permittee as filed | US ARMY CORPS OF ENGINEERS, RO MAJ PHIL VALENTI |
| NPDES ID | IA0083402 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Federal facility |
| Issued | June 1, 2011 |
| Expiration date | May 31, 2016 |
| Issuing agency | STA |
| Address | Knoxville, IA 50318 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | White Breast Creek (HUC 071000081405) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 6Pollutants on file
- 6Under a numeric limit
- 2With a violation of any kind
- 2With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 5 | 2 | 2 | April 30, 2024 | 15% over the limit |
| pH | 2 | 1 | 1 | April 30, 2024 | |
| Nitrogen, ammonia total [as N] | 5 | 0 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 5 | 0 | 0 | ||
| E. coli | 3 | 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 IA0083402.
Inspections
EPA’s inspection file holds no inspection for NPDES IA0083402.
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 IA0083402.
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, IA0083402.
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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 IA0083402 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.