Clean Water Act discharge permit · NPDES WAR001124
KENMORE AIR HARBOR INC, Kenmore, WA: NPDES WAR001124 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
KENMORE AIR HARBOR INC, held by Kenmore Air Harbor, holds NPDES permit WAR001124. EPA’s file records it issued November 20, 2019 and expiring December 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 | KENMORE AIR HARBOR INC |
|---|---|
| Permittee as filed | Kenmore Air Harbor |
| NPDES ID | WAR001124 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | November 20, 2019 |
| Expiration date | December 31, 2024 |
| Issuing agency | State |
| Address | Kenmore, WA 98028 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lake Washington-Sammamish River (HUC 171100120400) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 27Pollutants on file
- 6Under a numeric limit
- 27With a violation of any kind
- 7With 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 |
|---|---|---|---|---|---|
| Copper, total [as Cu] | 9 | 104 | 15 | September 30, 2025 | 636% over the limit |
| Oil and grease visual | 9 | 101 | 12 | March 31, 2024 | 2,147,483,650% over the limit |
| Zinc, total [as Zn] | 9 | 98 | 9 | September 30, 2025 | 362% over the limit |
| Total Petroleum Hydrocarbons - Diesel | 9 | 100 | 6 | March 31, 2024 | 1,600% over the limit |
| Turbidity | 9 | 95 | 5 | September 30, 2025 | |
| pH | 18 | 181 | 1 | December 31, 2022 | |
| Nitrite + Nitrate total [as N] | 0 | 37 | 1 | September 30, 2025 | 38% over the limit |
| Total Petroleum Hydrocarbons - Diesel and Waste Oil | 0 | 44 | 0 | ||
| BOD, 5-day, 20 deg. C | 0 | 36 | 0 | ||
| Chemical oxygen demand [COD] | 0 | 35 | 0 | ||
| Perfluorooctanoic acid (PFOA) | 0 | 28 | 0 | ||
| Perfluorononanoic acid (PFNA) | 0 | 28 | 0 | ||
| Perfluorobutanesulfonic acid (PFBS) | 0 | 28 | 0 | ||
| Perfluorohexanesulfonic acid (PFHxS) | 0 | 28 | 0 | ||
| Perfluorooctanesulfonic acid (PFOS) | 0 | 28 | 0 | ||
| Hexafluoropropylene oxide dimer acid (HFPO-DA) | 0 | 28 | 0 | ||
| Nitrogen, ammonia, total [as NH3] | 0 | 24 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 13 | 0 | ||
| Solids, total suspended | 0 | 2 | 0 | ||
| Cyanide, total [as CN] | 0 | 2 | 0 | ||
| Magnesium, total [as Mg] | 0 | 2 | 0 | ||
| Arsenic, total [as As] | 0 | 2 | 0 | ||
| Cadmium, total [as Cd] | 0 | 2 | 0 | ||
| Lead, total [as Pb] | 0 | 2 | 0 | ||
| Silver, total [as Ag] | 0 | 2 | 0 | ||
| Selenium, total [as Se] | 0 | 2 | 0 | ||
| Mercury, total [as Hg] | 0 | 2 | 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 WAR001124.
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 WAR001124 there.
Nearby on the register
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- Every permit record in Washington, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.