Clean Water Act discharge permit · NPDES IA0067229
WINNEBAGO INDUSTRIES, INC., Forest City, IA: NPDES IA0067229 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 22Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
WINNEBAGO INDUSTRIES, INC. holds NPDES permit IA0067229. EPA’s file records it issued July 1, 2020 and expiring June 30, 2025. 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 | WINNEBAGO INDUSTRIES, INC. |
|---|---|
| Permittee as filed | WINNEBAGO INDUSTRIES, INC. |
| NPDES ID | IA0067229 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | July 1, 2020 |
| Expiration date | June 30, 2025 |
| Issuing agency | STA |
| Address | Forest City, IA 50436 |
| Subwatershed | Mallard Marsh-Winnebago River (HUC 070802030109) |
| NAICS | 336213 – Motor Home Manufacturing |
| SIC | 3716 – Motor Homes |
| Other EPA IDs (FRS) | RCRA handler IAD984568121; ICIS-AIR source IA0000001918900020 |
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
- 22Pollutants on file
- 22Under a numeric limit
- 14With a violation of any kind
- 7With 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 | 11 | 107 | 50 | December 31, 2025 | 562% over the limit |
| Aluminum, total [as Al] | 2 | 51 | 49 | May 31, 2026 | 2,262% over the limit |
| Oil & Grease | 6 | 61 | 36 | April 30, 2014 | 300% over the limit |
| Zinc, total [as Zn] | 10 | 125 | 23 | May 31, 2026 | 1,015% over the limit |
| pH | 6 | 71 | 19 | May 31, 2026 | |
| Chromium, total [as Cr] | 6 | 30 | 4 | September 30, 2011 | 267% over the limit |
| Organics, total toxic [TTO] | 2 | 8 | 2 | December 31, 2012 | 933% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 5 | 46 | 0 | ||
| Cyanide, total [as CN] | 6 | 26 | 0 | ||
| Cadmium, total [as Cd] | 4 | 18 | 0 | ||
| Lead, total [as Pb] | 4 | 18 | 0 | ||
| Nickel, total [as Ni] | 4 | 18 | 0 | ||
| Silver, total [as Ag] | 4 | 18 | 0 | ||
| Copper, total [as Cu] | 4 | 8 | 0 | ||
| Nitrogen, total [as N] | 5 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 5 | 0 | 0 | ||
| Phosphorus, total [as P] | 5 | 0 | 0 | ||
| Chloride [as Cl] | 4 | 0 | 0 | ||
| E. coli | 3 | 0 | 0 | ||
| Depth of pond or reservoir in feet | 3 | 0 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 1 | 0 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 1 | 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 IA0067229.
Inspections
EPA’s inspection file holds no inspection for NPDES IA0067229.
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 IA0067229.
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, IA0067229.
Start the watch
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- 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 IA0067229 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.