Clean Water Act discharge permit · NPDES IA0059587
MORNING SUN CITY OF STP, Morning Sun, IA: NPDES IA0059587 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
MORNING SUN CITY OF STP, held by CITY OF MORNING SUN, holds NPDES permit IA0059587. EPA’s file records it issued July 1, 2018 and expiring June 30, 2023. 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 | MORNING SUN CITY OF STP |
|---|---|
| Permittee as filed | CITY OF MORNING SUN |
| NPDES ID | IA0059587 |
| 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 | July 1, 2018 |
| Expiration date | June 30, 2023 |
| Issuing agency | STA |
| Address | Morning Sun, IA 52640 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Otter Creek (HUC 070802091002) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 7Pollutants on file
- 7Under a numeric limit
- 5With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| pH | 5 | 187 | 187 | July 31, 2026 | |
| Oxygen, dissolved [DO] | 1 | 38 | 38 | February 29, 2024 | 80% over the limit |
| Nitrogen, ammonia total [as N] | 96 | 43 | 37 | March 31, 2026 | 802% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 53 | 23 | August 31, 2025 | 3,449% over the limit |
| Solids, total suspended | 9 | 50 | 18 | August 31, 2025 | 3,214% over the limit |
| BOD, 5-day, 20 deg. C | 5 | 0 | 0 | ||
| E. coli | 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 IA0059587.
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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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 IA0059587 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.