Clean Water Act discharge permit · NPDES MD0020982
DAMASCUS WATER RESOURCE RECOVERY FACILITY, Damascus, MD: NPDES MD0020982 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 18Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
DAMASCUS WATER RESOURCE RECOVERY FACILITY, held by Washington Suburban Sanitary Commission - WSSC, holds NPDES permit MD0020982, which discharges to Magruder Branch -Trib. To Seneca Cr. EPA’s file records it issued April 27, 2016 and expiring May 31, 2021. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | DAMASCUS WATER RESOURCE RECOVERY FACILITY |
|---|---|
| Permittee as filed | Washington Suburban Sanitary Commission - WSSC |
| NPDES ID | MD0020982 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | April 27, 2016 |
| Expiration date | May 31, 2021 |
| Issuing agency | MDE |
| Address | Damascus, MD 20882 |
| Receiving water | MAGRUDER BRANCH -TRIB. TO SENECA CR |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Great Seneca Creek (HUC 020700080802) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 21Pollutants on file
- 18Under a numeric limit
- 8With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, percent removal | 0 | 17 | 0 | ||
| Solids, suspended percent removal | 0 | 17 | 0 | ||
| Nitrogen, total [as N] | 7 | 2 | 0 | ||
| Phosphorus, total [as P] | 7 | 2 | 0 | ||
| Flow, total | 3 | 2 | 0 | ||
| BOD, 5-day, 20 deg. C | 8 | 1 | 0 | ||
| Solids, total suspended | 8 | 1 | 0 | ||
| Acrylonitrile | 0 | 1 | 0 | ||
| Nitrogen, ammonia total [as N] | 4 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 4 | 0 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Hardness, total [as CaCO3] | 2 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 0 | 0 | ||
| Nitrogen, organic total [as N] | 1 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 0 | 0 | ||
| Copper, total recoverable | 1 | 0 | 0 | ||
| Phosphate, ortho [as P] | 1 | 0 | 0 | ||
| Chlorine, total residual | 1 | 0 | 0 | ||
| E. coli | 1 | 0 | 0 | ||
| Flow | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MD0020982.
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 MD0020982.
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
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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 MD0020982 there.
Nearby on the register
- Discharge permits in Damascus
- Every permit record in Damascus, A to Z
- Discharge permits in Maryland
- Every permit record in Maryland, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.