SIGMA COOLING TOWER REPLACEMENT, Los Alamos, NM: NPDES NMR1007TX discharge permit, effluent exceedances, inspections, penalties

SIGMA COOLING TOWER REPLACEMENT, Los Alamos, New Mexico: General permit coverage NMR1007TX, held by Triad National Security, LLC; Construction stormwater; Effective; issued April 10, 2026, term to February 16, 2027, by U.S. EPA.

New Mexico holds 4,767 Construction stormwater coverages of this permit type in EPA’s file; 3,175 were issued before NMR1007TX. Triad National Security, LLC holds 37 permits in New Mexico.

Other permits held by Triad National Security, LLC

• LOS ALAMOS NATIONAL LABORATORY, Los Alamos: NMG870002, issued 2022-02-10
• TA-35 OFFICE BUILDING PROJECT, Los Alamos: NMR10044Q, issued 2021-08-18
• TA-22-0005 REPLACING RETAINING WALL, Los Alamos: NMR1004KW, issued 2022-03-21
• TRU LIQUID WASTE (TLW) FACILITY, Los Alamos: NMR1004TK, issued 2022-06-09
• TA-16 FIRE STATION 5 REPLACEMENT, Los Alamos: NMR1004TN, issued 2022-06-09
• TA-22-0066, 0067, 0068 D&D, Los Alamos: NMR1004UO, issued 2022-06-20
• TA-16 TO TA-08 NATURAL GAS LINE REPLACEMENT, Los Almaos: NMR1004UP, issued 2022-06-20
• EMERGENCY VEGETATION REMOVAL, Los Alamos: NMR1004VP, issued 2022-06-30
• TA-51 LAP4 TEMPORARY OFFICE/ WAREHOUSE FACILITIES, Los Alamos: NMR100558, issued 2022-10-20
• TA-52-0001, -0044, -0045, & -0188 CHARACTERIZATION AND DEMOLITION, Los Alamos: NMR1005GQ, issued 2023-03-21

Coverages issued nearest NMR1007TX

• 2026-04-09: PUEBLOS DE LAS ALAMEDAS BATAAN EAST DRIVEWAY, Las Cruces: NMR1007TU, held by Renegade Construction LLC
• 2026-04-09: CN S100730 SANTA FE COUNTY, Santa Fe: NMR1007TV, held by New Mexico Department of Transportation District 5
• 2026-04-09: ARTISTE PHASE I, Albuquerque: NMR1007TW, held by Titan Artiste I, LLC.
• 2026-04-10: NA-22-G34, GALLUP NORTH SCATTERED HOUSING, Gallup: AZR10I1H3, held by Navajo Area Indian Health Service
• 2026-04-10: NA-23-G46, TWIN LAKES-TOHATCHI-NASCHITTI HOUSING, Gallup: AZR10I1H4, held by Navajo Area Indian Health Service
• 2026-04-10: DHSEM - SFMO FIRE TRAINING ACADEMY & MEMORIAL, Santa Fe: NMR1007TY, held by Franken Construction Co., Inc.
• 2026-04-10: FIRE ACCESS PATH EL SALTO DEL AQUA ASSOCIATION, Arroyo Seco: NMR1007TZ, held by Silva's Excavation, LLC
• 2026-04-10: MISTER CAR WASH, Albuquerque: NMR1007U0, held by CWPS Corp. d/b/a Mister Car Wash
• 2026-04-10: VINEYARD ESTATES, Las Cruces: NMR1007U1, held by Arista Development LLC
• 2026-04-10: VALENCIA STATION REBUILD, Las Vegas: NMR1007U2, held by Public Service Company of New Mexico

SIGMA COOLING TOWER REPLACEMENT among its neighbors

78 discharge permits are in the Canada Ancha-Rio Grande subwatershed (HUC 130202010203); NMR1007TX is one.

Other permits in the Canada Ancha-Rio Grande subwatershed (HUC 130202010203)

• 23X-0268 PINON PINE REMOVAL, Los Alamos: NMR1005JW
• 5100480, White Roak: NMR10056R, minor, term to 2027-02-16
• BANDELIER NATIONAL MONUMENT TSANKAWI AND FREY PARKING LOTS, Los Alamos: NMR1005KI, minor, term to 2027-02-16
• CHAMISA ELEMENTARY SCHOOL, White Rock: NMR10065M, minor, term to 2027-02-16
• CHAMISA ELEMENTARY SCHOOL, White Rock: NMR10065U, minor, term to 2027-02-16
• DIAMOND DRIVE WIDENING, Los Alamos: NMR1007WU, minor, term to 2027-02-16
• ELECTRICAL POWER CAPACITY UPGRADE (EPCU), Los Alamos: NMR1007AP, minor, term to 2027-02-16
• ELECTRICAL POWER CAPACITY UPGRADE (EPCU), Los Alamos: NMR1007AU, minor, term to 2027-02-16
• ION BEAM FACILITY DD&R PROJECT, Los Alamos: NMR1006MW, minor, term to 2027-02-16
• ION BEAM FACILITY RLW DISCONNECT, Los Alamos: NMR1006JG, minor, term to 2027-02-16