Clean Water Act discharge permit · NPDES KS0047554
OSWEGO, CITY OF (WWTP), Oswego, KS: NPDES KS0047554 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
OSWEGO, CITY OF (WWTP), held by OSWEGO, CITY OF, holds NPDES permit KS0047554, which discharges to Labette Cr (1107020521). 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 | OSWEGO, CITY OF (WWTP) |
|---|---|
| Permittee as filed | OSWEGO, CITY OF |
| NPDES ID | KS0047554 |
| 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 | Kansas Department of Health and Environment (KDHE) |
| Address | Oswego, KS 67356 |
| Receiving water | Labette Cr (1107020521) |
| Subwatershed | Spring Creek-Labette Creek (HUC 110702050501) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 7Pollutants on file
- 7Under a numeric limit
- 4With a violation of any kind
- 1With 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 |
|---|---|---|---|---|---|
| Chlorine, total residual | 2 | 1 | 1 | August 31, 2020 | 10% over the limit |
| E. coli | 4 | 15 | 0 | ||
| Nitrogen, ammonia total [as N] | 24 | 1 | 0 | ||
| Phosphorus, total [as P] | 2 | 1 | 0 | ||
| BOD, 5-day, 20 deg. C | 6 | 0 | 0 | ||
| Solids, total suspended | 6 | 0 | 0 | ||
| pH | 2 | 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 KS0047554.
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.
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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 KS0047554 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.