Clean Water Act discharge permit · NPDES MDMS40141
NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY, Gaithersburg, MD: NPDES MDMS40141 discharge permit, effluent exceedances, inspections, penalties
- PendingPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY, held by U.S. DEPARTMENT OF COMMERCE, holds NPDES permit MDMS40141. 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 NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY: its NPDES ID, its permit type and status, its its address in Gaithersburg, Maryland. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MDMS40141.
Identity
| Facility as filed | NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY |
|---|---|
| Permittee as filed | U.S. DEPARTMENT OF COMMERCE |
| NPDES ID | MDMS40141 |
| Permit status | Pending |
| Permit type | State-issued individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issuing agency | MD DEPT OF THE ENVIRONMENT |
| Address | Gaithersburg, MD 20899 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Little Monocacy River (HUC 020700080402) |
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 MDMS40141.
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 MDMS40141.
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, MDMS40141.
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 MDMS40141 there.
Nearby on the register
- Discharge permits in Gaithersburg
- Every permit record in Gaithersburg, A to Z
- Discharge permits in Maryland
- Every permit record in Maryland, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.