Clean Water Act discharge permit · NPDES IA0073181
TEEN CHALLENGE OF THE MIDLANDS-STP, Colfax, IA: NPDES IA0073181 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
TEEN CHALLENGE OF THE MIDLANDS-STP, held by TEEN CHALLENGE OF THE MIDLANDS, holds NPDES permit IA0073181. EPA’s file records it issued November 15, 2001 and expiring November 16, 2006. 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 | TEEN CHALLENGE OF THE MIDLANDS-STP |
|---|---|
| Permittee as filed | TEEN CHALLENGE OF THE MIDLANDS |
| NPDES ID | IA0073181 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | November 15, 2001 |
| Expiration date | November 16, 2006 |
| Issuing agency | STA |
| Address | Colfax, IA 50054 |
| Subwatershed | Sugar Creek-South Skunk River (HUC 070801050908) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 6Pollutants on file
- 6Under a numeric limit
- 3With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| BOD, carbonaceous [5 day, 20 C] | 4 | 67 | 7 | March 31, 2020 | 140% over the limit |
| pH | 2 | 35 | 7 | April 30, 2009 | |
| Solids, total suspended | 4 | 65 | 5 | March 31, 2020 | 150% over the limit |
| Solids, settleable | 3 | 0 | 0 | ||
| Sludge settleability 30 minute | 3 | 0 | 0 | ||
| Mixed liquor | 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 IA0073181.
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
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- 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 IA0073181 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.