Clean Water Act discharge permit · NPDES MD0021571
CITY OF SALISBURY WWTP, Salisbury, MD: NPDES MD0021571 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 19Pollutants under a numeric limit
- 15Pollutants with an effluent exceedance
CITY OF SALISBURY WWTP, held by City of Salisbury, Wastewater Treatment Branch, holds NPDES permit MD0021571, which discharges to Wicomico River. EPA’s file records it issued November 22, 2016 and expiring December 31, 2021. 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 | CITY OF SALISBURY WWTP |
|---|---|
| Permittee as filed | City of Salisbury, Wastewater Treatment Branch |
| NPDES ID | MD0021571 |
| 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 | November 22, 2016 |
| Expiration date | December 31, 2021 |
| Issuing agency | MARYLAND DEPARTMENT OF THE ENVIRONMENT |
| Address | Salisbury, MD 21801 |
| Receiving water | WICOMICO RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Tonytank Creek-Wicomico River (HUC 020801100303) |
| Program components on file | POTW, Pretreatment |
| SIC | 4952 – Sewerage Systems |
| Other EPA IDs (FRS) | RCRA handler MDD985418763 |
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
- 37Pollutants on file
- 19Under a numeric limit
- 37With a violation of any kind
- 15With 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 |
|---|---|---|---|---|---|
| Nitrogen, total [as N] | 35 | 227 | 138 | December 31, 2017 | 305% over the limit |
| Silver total recoverable | 36 | 123 | 64 | May 31, 2012 | 13,536% over the limit |
| BOD, 5-day, 20 deg. C | 24 | 127 | 46 | May 31, 2008 | 237% over the limit |
| Solids, total suspended | 24 | 195 | 44 | February 28, 2011 | 103% over the limit |
| Phosphorus, total [as P] | 26 | 117 | 23 | December 31, 2017 | 65% over the limit |
| Chlorine, total residual | 5 | 29 | 20 | October 31, 2017 | 5,100% over the limit |
| Copper, total recoverable | 38 | 74 | 16 | May 31, 2016 | 272% over the limit |
| pH | 10 | 30 | 12 | January 31, 2016 | |
| Zinc, total recoverable | 0 | 7 | 7 | September 30, 2000 | 253% over the limit |
| Lead, total recoverable | 0 | 6 | 6 | April 30, 2003 | 133% over the limit |
| Nitrogen, ammonia total [as N] | 20 | 21 | 3 | July 31, 2009 | 482% over the limit |
| Oxygen, dissolved [DO] | 11 | 16 | 3 | March 31, 2000 | 12% over the limit |
| Flow, in conduit or thru treatment plant | 17 | 35 | 1 | November 30, 2007 | 2% over the limit |
| Enterococci | 0 | 22 | 1 | April 30, 2026 | 6% over the limit |
| Toxicity, Chronic | 3 | 18 | 1 | March 31, 2026 | 69% over the limit |
| Toxaphene | 0 | 26 | 0 | ||
| Benzo[b]fluoranthene | 0 | 23 | 0 | ||
| Benzo[k]fluoranthene | 0 | 23 | 0 | ||
| Indeno[1,2,3-cd]pyrene | 0 | 23 | 0 | ||
| Benzo[a]anthracene | 0 | 23 | 0 | ||
| Dibenz[a,h]anthracene | 0 | 23 | 0 | ||
| 4,4'-DDT | 0 | 23 | 0 | ||
| 4,4'-DDD | 0 | 23 | 0 | ||
| 4,4'-DDE | 0 | 23 | 0 | ||
| Chlordane [tech mix. and metabolites] | 0 | 23 | 0 | ||
| Heptachlor | 0 | 23 | 0 | ||
| Heptachlor epoxide | 0 | 23 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 21 | 0 | ||
| Flow | 0 | 21 | 0 | ||
| Phosphate, ortho [as P] | 9 | 19 | 0 | ||
| Nitrogen, organic total [as N] | 10 | 18 | 0 | ||
| Nitrite + Nitrate total [as N] | 10 | 18 | 0 | ||
| Toxicity, Acute | 3 | 17 | 0 | ||
| E. coli | 5 | 9 | 0 | ||
| Flow, total | 5 | 6 | 0 | ||
| Mercury, total recoverable | 0 | 2 | 0 | ||
| Whole effluent toxicity | 3 | 1 | 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 MD0021571.
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.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.