Clean Water Act discharge permit · NPDES KS0021865
OSAWATOMIE, CITY OF (WWTP), Osawatomie, KS: NPDES KS0021865 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 12Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
OSAWATOMIE, CITY OF (WWTP), held by OSAWATOMIE, CITY OF, holds NPDES permit KS0021865, which discharges to Marais Des Cygnes R (102901011). EPA’s file records it issued September 1, 2019 and expiring August 31, 2024. 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 | OSAWATOMIE, CITY OF (WWTP) |
|---|---|
| Permittee as filed | OSAWATOMIE, CITY OF |
| NPDES ID | KS0021865 |
| 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 | September 1, 2019 |
| Expiration date | August 31, 2024 |
| Issuing agency | Kansas Department of Health and Environment (KDHE) |
| Address | Osawatomie, KS 66064 |
| Receiving water | Marais Des Cygnes R (102901011) |
| Subwatershed | Plum Creek-Maris Des Cygnes River (HUC 102901010707) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 13Pollutants on file
- 12Under a numeric limit
- 7With 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 |
|---|---|---|---|---|---|
| E. coli | 24 | 35 | 35 | March 31, 2023 | 6,999% over the limit |
| Nitrogen, ammonia total [as N] | 48 | 9 | 9 | April 30, 2021 | 79% over the limit |
| Solids, total suspended | 6 | 4 | 4 | July 31, 2020 | 108% over the limit |
| Lead, total recoverable | 0 | 24 | 0 | ||
| Nitrogen, total [as N] | 4 | 1 | 0 | ||
| Nitrite + Nitrate total [as N] | 2 | 1 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 1 | 0 | ||
| BOD, 5-day, 20 deg. C | 6 | 0 | 0 | ||
| Phosphorus, total [as P] | 6 | 0 | 0 | ||
| pH | 4 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 4 | 0 | 0 | ||
| Nitrogen, Total As N | 4 | 0 | 0 | ||
| Phosphorus, Total As P | 4 | 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 KS0021865.
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 KS0021865 there.
Nearby on the register
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- Discharge permits in Kansas
- Every permit record in Kansas, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.