Clean Water Act discharge permit · NPDES IA0035971
SIDNEY CITY OF STP, Sidney, IA: NPDES IA0035971 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
SIDNEY CITY OF STP, held by CITY OF SIDNEY, holds NPDES permit IA0035971. EPA’s file records it issued June 1, 2015 and expiring May 31, 2020. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | SIDNEY CITY OF STP |
|---|---|
| Permittee as filed | CITY OF SIDNEY |
| NPDES ID | IA0035971 |
| 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 | June 1, 2015 |
| Expiration date | May 31, 2020 |
| Issuing agency | STA |
| Address | Sidney, IA 51652 |
| Subwatershed | Spring Branch-West Nishnabotna River (HUC 102400020806) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 9Pollutants on file
- 8Under a numeric limit
- 4With 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 |
|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | 0 | 10 | 9 | June 30, 2008 | 28% over the limit |
| pH | 7 | 3 | 3 | April 30, 2007 | |
| Solids, total suspended | 12 | 5 | 1 | September 30, 2020 | 20% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 7 | 4 | 0 | ||
| Nitrogen, ammonia total [as N] | 51 | 0 | 0 | ||
| BOD, 5-day, 20 deg. C | 5 | 0 | 0 | ||
| Chloride [as Cl] | 3 | 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 IA0035971.
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 IA0035971 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.