Clean Water Act discharge permit · NPDES MD0070327
SMITHSONIAN ENVIRONMENTAL RESEARCH CENTER, Edgewater, MD: NPDES MD0070327 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 2Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
SMITHSONIAN ENVIRONMENTAL RESEARCH CENTER holds NPDES permit MD0070327, which discharges to West River. EPA’s file records it issued April 1, 2022 and expiring December 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 | SMITHSONIAN ENVIRONMENTAL RESEARCH CENTER |
|---|---|
| Permittee as filed | SMITHSONIAN ENVIRONMENTAL RESEARCH CENTER |
| NPDES ID | MD0070327 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Federal facility |
| Issued | April 1, 2022 |
| Expiration date | December 31, 2025 |
| Issuing agency | MD DEPARTMENT OF THE ENVIRONMENT |
| Address | Edgewater, MD 21037 |
| Receiving water | WEST RIVER |
| Subwatershed | Rhode River-West River (HUC 020600040401) |
| SIC | 8733 – Noncommercial Research Organizations |
| Other EPA IDs (FRS) | RCRA handler MD5470090023 |
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
- 2Pollutants on file
- 2Under a numeric limit
- 2With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | 2 | 6 | 0 | ||
| Chlorine, total residual | 2 | 4 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MD0070327.
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 MD0070327.
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, MD0070327.
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 MD0070327 there.
Nearby on the register
- Discharge permits in Edgewater
- Every permit record in Edgewater, A to Z
- Discharge permits in Maryland
- Every permit record in Maryland, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.