Clean Water Act discharge permit · NPDES VA0024741
US NASA - LANGLEY RESEARCH CENTER, Hampton, VA: NPDES VA0024741 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
US NASA - LANGLEY RESEARCH CENTER, held by NASA, holds NPDES permit VA0024741, which discharges to Southwest Branch Back River. EPA’s file records it issued August 1, 2020 and expiring July 31, 2025. 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.
Identity
| Facility as filed | US NASA - LANGLEY RESEARCH CENTER |
|---|---|
| Permittee as filed | NASA |
| NPDES ID | VA0024741 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Federal facility |
| Issued | August 1, 2020 |
| Expiration date | July 31, 2025 |
| Issuing agency | VA DEQ |
| Address | Hampton, VA 23681 |
| Receiving water | Southwest Branch Back River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Northwest Branch Back River (HUC 020801080102) |
| NAICS | 927110 – Space Research and Technology |
| SIC | 9661 – Space Research And Technology |
| Other EPA IDs (FRS) | RCRA handler VA2800005033; ICIS-AIR source VA0000005165000006 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 8Pollutants on file
- 8Under a numeric limit
- 5With a violation of any kind
- 1With 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 |
|---|---|---|---|---|---|
| Temperature, water deg. centigrade | 2 | 1 | 1 | June 30, 2021 | 3% over the limit |
| Zinc, total recoverable | 2 | 4 | 0 | ||
| Copper, total recoverable | 2 | 4 | 0 | ||
| Chlorine, total residual | 2 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 2 | 0 | ||
| pH | 4 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 0 | 0 | ||
| Phosphorus, total [as P] | 2 | 0 | 0 |
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 VA0024741.
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, VA0024741.
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 VA0024741 there.
Nearby on the register
- Discharge permits in Hampton
- Every permit record in Hampton, A to Z
- Discharge permits in Virginia
- Every permit record in Virginia, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.