Clean Water Act discharge permit · NPDES DCR1000EN
SIDWELL LOWER SCHOOL, Washington, DC: NPDES DCR1000EN discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
SIDWELL LOWER SCHOOL, held by MCN Build, holds NPDES permit DCR1000EN. EPA’s file records it issued September 2, 2026 and expiring February 16, 2027.
SIDWELL LOWER SCHOOL, Washington, District of Columbia: Coverage under a general permit DCR1000EN, held by MCN Build; Construction stormwater; Effective; issued September 2, 2026, term to February 16, 2027, by U.S. EPA.
District of Columbia holds 228 Construction stormwater coverages of this permit type in EPA’s file; 222 were issued before DCR1000EN. MCN Build holds 8 permits in District of Columbia.
Other permits held by MCN Build
- MARTIN LUTHER KING JR. ELEMENTARY SCHOOL, Washington Dc: 03R10I006, issued April 30, 2025
- DOUGLASS COMMUNITY CENTER, Washington: 03R10I01D, issued December 30, 2025
- FEREBEE HOPE HIGH SCHOOL AND RECREATION CENTER, Washington, Dc: DCR10008I, issued November 26, 2020
- FORT LINCOLN, Washington: DCR1000CC, issued August 17, 2023
- SIDWELL FRIENDS SCHOOL - UPTON CAMPUS, Washington: DCR1000D7, issued August 9, 2024
- DC DGS MACARTHUR HIGH SCHOOL, Washington Dc: DCR1000DI, issued December 31, 2024
- TUBMAN ELEMENTARY SCHOOL MODERNIZATION, Washington: DCR1000DS, issued April 30, 2025
Coverages issued nearest DCR1000EN
- August 7, 2026: 100 POTOMAC AVE SW, Washington, DCR1000EI, held by Mike Strittmatter
- August 12, 2026: EAST POTOMAC PARK, Washington, DCR1000EJ, held by National Park Service
- August 20, 2026: STICKFOOT BRANCH STREAM RESTORATION, Se District Of Columbia, DCR1000EK, held by Actaeon LLC
- August 21, 2026: ST. ELIZABETH'S BLDG-88 RELOCATION, Washington Dc, DCR1000EL, held by Saad Moussamim
- August 25, 2026: CONGRESS HEIGHTS LIBRARY, Washington, DCR1000EM, held by Turner Construction Company
- September 11, 2026: CONSTRUCT ARABIAN LEOPARD FACILITY, Washington, DCR1000EO, held by Smithsonian Institution
Other permits in Washington
- 100 POTOMAC AVE SW, Washington: DCR1000EI, minor permit, permit term to February 16, 2027
- 113 POTOMAC AVENUE SW, Washington: DCR1000A4, minor permit, permit term to February 16, 2027
- 12 STREET AND CONSTITUTION PUMP STATION, Washington: DCNOEJ00I, minor permit, permit term to September 18, 2023
- 12 STREET AND MAINE AVENUE PUMPING STATION, Washington: DCNOEJ00J, minor permit, permit term to September 18, 2023
- 1200 SYCAMORE DRIVE, Washington: DCR10008O, minor permit, permit term to February 15, 2022
- 1333 M STREET SE, Washington: 03R10I00A, minor permit, permit term to February 16, 2027
- 14 STREET BRIDGE PUMPING STATION, Washington: DCNOEJ00E, minor permit, permit term to September 18, 2023
- 15TH AND S APARTMENTS, Washington: DCR10008T, minor permit, permit term to February 15, 2022
- 16TH & ALASKA PUMPING STATION, Washington: DCNOEJ00A, minor permit, permit term to September 17, 2023
- 2001, 2011, + 2021 FOXHALL ROAD NW, Washington: DCR1000AT, minor permit, permit term to February 16, 2027
What the register holds for SIDWELL LOWER SCHOOL: its NPDES ID, its permit type and status, its dates, its address in Washington, District of Columbia. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES DCR1000EN.
Identity
| Facility as filed | SIDWELL LOWER SCHOOL |
|---|---|
| Permittee as filed | MCN Build |
| NPDES ID | DCR1000EN |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Construction stormwater |
| Issued | September 2, 2026 |
| Expiration date | February 16, 2027 |
| Issuing agency | U.S. EPA |
| Address | Washington, DC 20016 |
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 DCR1000EN.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES DCR1000EN.
Inspections
EPA’s inspection file holds no inspection for NPDES DCR1000EN.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES DCR1000EN.
Watch this permit
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.