Clean Water Act discharge permit · NPDES NMR050011
TA54 MAINTENANCE FACILITY WEST, Los Alamos, NM: NPDES NMR050011 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
TA54 MAINTENANCE FACILITY WEST, held by Newport News Nuclear BWXT Los Alamos, holds NPDES permit NMR050011. EPA’s file records it issued May 2, 2018 and expiring June 3, 2020. 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 | TA54 MAINTENANCE FACILITY WEST |
|---|---|
| Permittee as filed | Newport News Nuclear BWXT Los Alamos |
| NPDES ID | NMR050011 |
| 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 | Federal facility |
| Program | Industrial stormwater |
| Issued | May 2, 2018 |
| Expiration date | June 3, 2020 |
| Issuing agency | U.S. EPA |
| Address | Los Alamos, NM 87544 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Canada Ancha-Rio Grande (HUC 130202010203) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 6Pollutants on file
- 5Under a numeric limit
- 3With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| Aluminum, total [as Al] | 1 | 2 | 0 | ||
| Cyanide, total [as CN] | 1 | 1 | 0 | ||
| pH | 0 | 1 | 0 | ||
| Aluminum, total recoverable | 1 | 0 | 0 | ||
| Alpha, total | 1 | 0 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES NMR050011.
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 NMR050011.
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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, NMR050011.
Start the watch
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- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 NMR050011 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.