Clean Water Act discharge permit · NPDES WY0021733
KAYCEE WWTF, Kaycee, WY: NPDES WY0021733 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 14Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
KAYCEE WWTF, held by Kaycee, Town of, holds NPDES permit WY0021733. EPA’s file records it issued February 18, 2020 and expiring June 30, 2025. 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 | KAYCEE WWTF |
|---|---|
| Permittee as filed | Kaycee, Town of |
| NPDES ID | WY0021733 |
| 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 | February 18, 2020 |
| Expiration date | June 30, 2025 |
| Issuing agency | Wyoming Department of Environmental Quality |
| Address | Kaycee, WY 82639 |
| Subwatershed | Alkali Creek-Middle Fork Powder River (HUC 100902010208) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 18Pollutants on file
- 14Under a numeric limit
- 16With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, percent removal | 2 | 14 | 1 | April 30, 2023 | 20% over the limit |
| BOD, 5-day, 20 deg. C | 12 | 78 | 0 | ||
| Solids, total suspended | 12 | 39 | 0 | ||
| pH | 4 | 26 | 0 | ||
| Flow | 4 | 26 | 0 | ||
| E. coli | 0 | 26 | 0 | ||
| Temperature, water deg. centigrade | 2 | 13 | 0 | ||
| Duration | 2 | 13 | 0 | ||
| Chlorine, total residual | 0 | 13 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 1 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 1 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 1 | 0 | ||
| Phosphorus, total [as P] | 1 | 1 | 0 | ||
| Produced water, oil and grease | 1 | 1 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 1 | 0 | ||
| Solids, total dissolved | 0 | 1 | 0 | ||
| Solids, suspended percent removal | 2 | 0 | 0 | ||
| Hardness, total [as CaCO3] | 1 | 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 WY0021733.
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 WY0021733 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.