Clean Water Act discharge permit · NPDES MD0023043

SWAN HARBOUR DELL WWTP, Havre De Grace, MD: NPDES MD0023043 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
12Pollutants under a numeric limit
8Pollutants with an effluent exceedance

SWAN HARBOUR DELL WWTP, held by SWAN HARBOUR DELL MOBILE HOME, holds NPDES permit MD0023043, which discharges to Swan Creek. EPA’s file records it issued July 31, 2017 and expiring August 31, 2022. 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	SWAN HARBOUR DELL WWTP
Permittee as filed	SWAN HARBOUR DELL MOBILE HOME
NPDES ID	MD0023043
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	July 31, 2017
Expiration date	August 31, 2022
Issuing agency	MARYLAND DEPARTMENT OF THE ENVIRONMENT
Address	Havre De Grace, MD 21078
Receiving water	SWAN CREEK
Receiving water impaired	303(D) Listed
Subwatershed	Swan Creek-Chesapeake Bay (HUC 020600030201)
SIC	7033 – Trailer Parks And Campsites

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

15Pollutants on file
12Under a numeric limit
15With a violation of any kind
8With 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]	6	163	82	July 31, 2025	80% over the limit
Solids, total suspended	4	63	15	May 31, 2022	116% over the limit
Phosphorus, total [as P]	6	81	6	June 30, 2022	56% over the limit
BOD, 5-day, 20 deg. C	4	53	5	June 30, 2014	2,910% over the limit
pH	2	26	2	February 28, 2009
E. coli	1	12	2	July 31, 2019	51% over the limit
Flow, in conduit or thru treatment plant	2	25	1	September 30, 2000	31,900% over the limit
Coliform, fecal general	0	12	1	June 30, 2004	99,999% over the limit
Nitrogen, ammonia total [as N]	5	49	0
Oxygen, dissolved [DO]	1	14	0
Nitrogen, organic total [as N]	1	12	0
Phosphate, ortho [as P]	1	12	0
Chlorine, total residual	1	12	0
BOD, 5-day, percent removal	0	1	0
Solids, suspended percent removal	0	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 MD0023043.

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

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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 MD0023043 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers Clean Water Act discharge permit NPDES MD0023043 for the SWAN HARBOUR DELL WWTP in Havre De Grace, MD, held by SWAN HARBOUR DELL MOBILE HOME, with a status of administratively continued and a Minor Discharger class. The page lists 12 pollutants under a numeric limit and 8 pollutants with an effluent exceedance, with the permit issued July 31, 2017 and expiring August 31, 2022.