Clean Water Act discharge permit · NPDES NMR100449
TSANKAWI CHLORINATION BUILDING AND WP MAIN REPLACEMENT NM4 AND EAST JEMEZ ROAD, Los Alamos, NM: NPDES NMR100449 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
TSANKAWI CHLORINATION BUILDING AND WP MAIN REPLACEMENT NM4 AND EAST JEMEZ ROAD, held by Dennis Segura, holds NPDES permit NMR100449. EPA’s file records it issued August 13, 2021 and expiring February 15, 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.
What the register holds for TSANKAWI CHLORINATION BUILDING AND WP MAIN REPLACEMENT NM4 AND EAST JEMEZ ROAD: 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 NMR100449.
Identity
| Facility as filed | TSANKAWI CHLORINATION BUILDING AND WP MAIN REPLACEMENT NM4 AND EAST JEMEZ ROAD |
|---|---|
| Permittee as filed | Dennis Segura |
| NPDES ID | NMR100449 |
| 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 | Not a publicly owned treatment works |
| Program | Construction stormwater |
| Issued | August 13, 2021 |
| Expiration date | February 15, 2022 |
| Issuing agency | U.S. EPA |
| Address | Los Alamos, NM 87544 |
| Subwatershed | Hyer Draw (HUC 130500010202) |
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 NMR100449.
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 NMR100449.
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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- One watershed — $2,990/year
- One state — $4,990/year
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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 NMR100449 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 October 14, 2026.