Clean Water Act discharge permit · NPDES NMR1007V5
POTRILLO FENCE CANYONS AGGREGATE AREA PHASE II IWP SAMPLING, Los Alamos, NM: NPDES NMR1007V5 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
POTRILLO FENCE CANYONS AGGREGATE AREA PHASE II IWP SAMPLING, held by Newport News Nuclear, BWXT Los Alamos LLC, holds NPDES permit NMR1007V5. EPA’s file records it issued April 23, 2026 and expiring February 16, 2027. 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.
What the register holds for POTRILLO FENCE CANYONS AGGREGATE AREA PHASE II IWP SAMPLING: its NPDES ID, its permit type and status, its dates, its address in Los Alamos, New Mexico. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES NMR1007V5.
Identity
| Facility as filed | POTRILLO FENCE CANYONS AGGREGATE AREA PHASE II IWP SAMPLING |
|---|---|
| Permittee as filed | Newport News Nuclear, BWXT Los Alamos LLC |
| NPDES ID | NMR1007V5 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Construction stormwater |
| Issued | April 23, 2026 |
| Expiration date | February 16, 2027 |
| 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
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES NMR1007V5.
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 NMR1007V5.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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, NMR1007V5.
Start the watch
- One permit holder — $99/month
- 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 NMR1007V5 there.
Nearby on the register
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- Every permit record in Los Alamos, A to Z
- Discharge permits in New Mexico
- Every permit record in New Mexico, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.