Clean Water Act discharge permit · NPDES IA0035246
DANBURY CITY OF STP, Danbury, IA: NPDES IA0035246 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
DANBURY CITY OF STP, held by CITY OF DANBURY, holds NPDES permit IA0035246. EPA’s file records it issued October 1, 2017 and expiring September 30, 2022. 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 | DANBURY CITY OF STP |
|---|---|
| Permittee as filed | CITY OF DANBURY |
| NPDES ID | IA0035246 |
| 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 | October 1, 2017 |
| Expiration date | September 30, 2022 |
| Issuing agency | STA |
| Address | Danbury, IA 51019 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Koker Creek-Maple River (HUC 102300050306) |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 8Pollutants 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 |
|---|---|---|---|---|---|
| Chloride [as Cl] | 4 | 27 | 23 | June 30, 2026 | 316% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 5 | 76 | 10 | June 30, 2026 | 78% over the limit |
| Solids, total suspended | 5 | 70 | 6 | May 31, 2024 | 28% over the limit |
| pH | 2 | 67 | 5 | November 30, 2025 | |
| Flow, in conduit or thru treatment plant | 0 | 93 | 4 | April 30, 2008 | 8,527% over the limit |
| Nitrogen, ammonia total [as N] | 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 IA0035246.
Inspections
EPA’s inspection file holds no inspection for NPDES IA0035246.
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 IA0035246.
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, IA0035246.
Start the watch
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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 IA0035246 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.