Clean Water Act discharge permit · NPDES KS0097535
OTTAWA, CITY OF (WWTP), Ottawa, KS: NPDES KS0097535 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 30Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
OTTAWA, CITY OF (WWTP), held by OTTAWA, CITY OF, holds NPDES permit KS0097535, which discharges to Marais Des Cygnes R (1029010112). EPA’s file records it issued March 1, 2019 and expiring February 29, 2024. 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 | OTTAWA, CITY OF (WWTP) |
|---|---|
| Permittee as filed | OTTAWA, CITY OF |
| NPDES ID | KS0097535 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | March 1, 2019 |
| Expiration date | February 29, 2024 |
| Issuing agency | Kansas Department of Health and Environment (KDHE) |
| Address | Ottawa, KS 66067 |
| Receiving water | Marais Des Cygnes R (1029010112) |
| Subwatershed | Rock Creek-Marais Des Cygnes River (HUC 102901010407) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 30Pollutants on file
- 30Under a numeric limit
- 8With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 48 | 8 | 8 | June 30, 2025 | 325% over the limit |
| E. coli | 48 | 2 | 2 | September 30, 2018 | 299% over the limit |
| Solids, total suspended | 6 | 2 | 2 | March 31, 2022 | 173% over the limit |
| Nitrogen, total [as N] | 4 | 10 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 4 | 5 | 0 | ||
| Nitrite + Nitrate total [as N] | 2 | 5 | 0 | ||
| Phosphorus, total [as P] | 6 | 2 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 1 | 0 | ||
| BOD, 5-day, 20 deg. C | 6 | 0 | 0 | ||
| pH | 4 | 0 | 0 | ||
| Nitrogen, Total As N | 4 | 0 | 0 | ||
| Phosphorus, Total As P | 4 | 0 | 0 | ||
| Hardness, total [as CaCO3] | 2 | 0 | 0 | ||
| Arsenic, total recoverable | 2 | 0 | 0 | ||
| Selenium, total recoverable | 2 | 0 | 0 | ||
| Thallium, total recoverable | 2 | 0 | 0 | ||
| Beryllium, total recoverable [as Be] | 2 | 0 | 0 | ||
| Nickel, total recoverable | 2 | 0 | 0 | ||
| Silver total recoverable | 2 | 0 | 0 | ||
| Zinc, total recoverable | 2 | 0 | 0 | ||
| Cadmium, total recoverable | 2 | 0 | 0 | ||
| Lead, total recoverable | 2 | 0 | 0 | ||
| Chromium, total recoverable | 2 | 0 | 0 | ||
| Copper, total recoverable | 2 | 0 | 0 | ||
| Antimony, total recoverable | 2 | 0 | 0 | ||
| Priority Pollutants | 2 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 0 | ||
| Mercury, total [as Hg] | 2 | 0 | 0 | ||
| IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 0 | 0 | ||
| IC25 Static Renewal 7 Day Chronic Chrpimephales | 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 KS0097535.
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 KS0097535 there.
Nearby on the register
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- Every permit record in Kansas, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.