Clean Water Act discharge permit · NPDES IA0048348
MASSENA CITY OF STP, Massena, IA: NPDES IA0048348 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
MASSENA CITY OF STP, held by CITY OF MASSENA, holds NPDES permit IA0048348. EPA’s file records it issued November 1, 2016 and expiring October 31, 2021. 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 | MASSENA CITY OF STP |
|---|---|
| Permittee as filed | CITY OF MASSENA |
| NPDES ID | IA0048348 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | November 1, 2016 |
| Expiration date | October 31, 2021 |
| Issuing agency | STA |
| Address | Massena, IA 50853 |
| Subwatershed | Elm Creek-West Nodaway River (HUC 102400090402) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 8Pollutants on file
- 6Under a numeric limit
- 7With a violation of any kind
- 6With 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 | 57 | 23 | September 30, 2023 | 313% over the limit |
| pH | 5 | 39 | 23 | July 31, 2025 | |
| Nitrogen, ammonia total [as N] | 72 | 34 | 18 | November 30, 2021 | 523% over the limit |
| Oxygen, dissolved [DO] | 1 | 21 | 16 | June 30, 2026 | 58% over the limit |
| Flow, in conduit or thru treatment plant | 0 | 12 | 12 | May 31, 2005 | 217% over the limit |
| Solids, total suspended | 9 | 38 | 6 | July 31, 2021 | 173% over the limit |
| E. coli | 0 | 1 | 0 | ||
| BOD, 5-day, 20 deg. C | 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 IA0048348.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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.
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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 IA0048348 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.