Clean Water Act discharge permit · NPDES NN0030343
NORTHERN EDGE NAVAJO CASINO WWTP, Farmington, NM: NPDES NN0030343 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 139Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
NORTHERN EDGE NAVAJO CASINO WWTP, held by NAVAJO TRIBAL UTILITY AUTHORITY, holds NPDES permit NN0030343, which discharges to Drainage Wash Tributory To San Juan River. EPA’s file records it issued May 31, 2017 and expiring May 31, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | NORTHERN EDGE NAVAJO CASINO WWTP |
|---|---|
| Permittee as filed | NAVAJO TRIBAL UTILITY AUTHORITY |
| NPDES ID | NN0030343 |
| 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 | May 31, 2017 |
| Expiration date | May 31, 2022 |
| Address | Farmington, NM 87401 |
| Receiving water | Drainage wash tributory to San Juan River |
| Subwatershed | Ojo Amarillo Canyon-San Juan River (HUC 140801050505) |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 141Pollutants on file
- 139Under a numeric limit
- 15With a violation of any kind
- 5With 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; the 60 with the most exceedances of 141 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| E. coli, colony forming units [CFU] | 4 | 14 | 8 | March 31, 2021 | 1,820% over the limit |
| Solids, suspended percent removal | 2 | 9 | 6 | October 31, 2019 | 62% over the limit |
| pH | 4 | 13 | 5 | April 30, 2023 | |
| Nitrogen, ammonia total [as N] | 6 | 4 | 4 | May 31, 2026 | 3,746% over the limit |
| Solids, total suspended | 10 | 16 | 1 | October 31, 2019 | 9% over the limit |
| BOD, 5-day, 20 deg. C | 10 | 17 | 0 | ||
| TU Static Renewal 7-Day Chronic Pimphales promelas | 0 | 16 | 0 | ||
| Solids, total dissolved | 3 | 14 | 0 | ||
| Flow, in conduit or thru treatment plant | 8 | 12 | 0 | ||
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 4 | 8 | 0 | ||
| Ammonia, unionized | 0 | 7 | 0 | ||
| Temperature, water deg. centigrade | 2 | 3 | 0 | ||
| Chlorine, total residual | 2 | 3 | 0 | ||
| BOD, 5-day, percent removal | 2 | 3 | 0 | ||
| Asbestos | 1 | 1 | 0 | ||
| Cyanide, total [as CN] | 1 | 0 | 0 | ||
| Arsenic, total recoverable | 1 | 0 | 0 | ||
| Selenium, total recoverable | 1 | 0 | 0 | ||
| Thallium, total recoverable | 1 | 0 | 0 | ||
| Beryllium, total recoverable [as Be] | 1 | 0 | 0 | ||
| Chromium, hexavalent [as Cr] | 1 | 0 | 0 | ||
| Chromium, trivalent [as Cr] | 1 | 0 | 0 | ||
| Nickel, total recoverable | 1 | 0 | 0 | ||
| Silver total recoverable | 1 | 0 | 0 | ||
| Zinc, total recoverable | 1 | 0 | 0 | ||
| Cadmium, total recoverable | 1 | 0 | 0 | ||
| Lead, total recoverable | 1 | 0 | 0 | ||
| Copper, total recoverable | 1 | 0 | 0 | ||
| Antimony, total recoverable | 1 | 0 | 0 | ||
| 2-Methyl-4,6-dinitrophenol | 1 | 0 | 0 | ||
| Dichlorobromomethane | 1 | 0 | 0 | ||
| Carbon tetrachloride | 1 | 0 | 0 | ||
| 1,2-Dichloroethane | 1 | 0 | 0 | ||
| Bromoform | 1 | 0 | 0 | ||
| Dibromochloromethane | 1 | 0 | 0 | ||
| Chloroform | 1 | 0 | 0 | ||
| Toluene | 1 | 0 | 0 | ||
| Benzene | 1 | 0 | 0 | ||
| .delta.-BHC | 1 | 0 | 0 | ||
| Acenaphthylene | 1 | 0 | 0 | ||
| Acenaphthene | 1 | 0 | 0 | ||
| Acrolein | 1 | 0 | 0 | ||
| Acrylonitrile | 1 | 0 | 0 | ||
| Anthracene | 1 | 0 | 0 | ||
| Benzo[b]fluoranthene | 1 | 0 | 0 | ||
| Benzo[k]fluoranthene | 1 | 0 | 0 | ||
| Benzo[a]pyrene | 1 | 0 | 0 | ||
| Bis[2-chloroethyl] ether | 1 | 0 | 0 | ||
| Bis[2-chloroethoxy]methane | 1 | 0 | 0 | ||
| Bis[2-chloroisopropyl] ether | 1 | 0 | 0 | ||
| Butyl benzyl phthalate | 1 | 0 | 0 | ||
| Chlorobenzene | 1 | 0 | 0 | ||
| Chrysene | 1 | 0 | 0 | ||
| Diethyl phthalate | 1 | 0 | 0 | ||
| Dimethyl phthalate | 1 | 0 | 0 | ||
| 1,2-Diphenylhydrazine | 1 | 0 | 0 | ||
| Endosulfan sulfate | 1 | 0 | 0 | ||
| .beta.-Endosulfan | 1 | 0 | 0 | ||
| .alpha.-Endosulfan | 1 | 0 | 0 | ||
| Endrin aldehyde | 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 NN0030343.
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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Start the watch
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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 NN0030343 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.