Clean Water Act discharge permit · NPDES PA0054780

RIVIERA AT CONCORD STP, Garnet Valley, PA: NPDES PA0054780 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
10Pollutants under a numeric limit
2Pollutants with an effluent exceedance

RIVIERA AT CONCORD STP, held by CONCORD TWP DELAWARE CNTY, holds NPDES permit PA0054780, which discharges to Green Creek. EPA’s file records it issued June 20, 2019 and expiring June 17, 2024. 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	RIVIERA AT CONCORD STP
Permittee as filed	CONCORD TWP DELAWARE CNTY
NPDES ID	PA0054780
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	June 20, 2019
Expiration date	June 17, 2024
Issuing agency	State Environmental Organization
Address	Garnet Valley, PA 19060
Receiving water	Green Creek
Receiving water impaired	303(D) Listed
Subwatershed	West Branch Chester Creek (HUC 020402020604)
SIC	4952 – Sewerage Systems

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

10Pollutants on file
10Under a numeric limit
10With a violation of any kind
2With 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
Phosphorus, total [as P]	4	15	11	April 30, 2026	250% over the limit
Solids, total suspended	4	10	2	February 28, 2021	23% over the limit
BOD, carbonaceous [5 day, 20 C]	4	8	0
Nitrogen, ammonia total [as N]	4	4	0
BOD, 5-day, 20 deg. C	2	4	0
pH	2	4	0
Flow, in conduit or thru treatment plant	2	4	0
Chlorine, total residual	2	4	0
Coliform, fecal general	2	4	0
Oxygen, dissolved [DO]	1	2	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 PA0054780.

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 PA0054780 there.

Nearby on the register

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

This public-records page covers NPDES permit PA0054780 for RIVIERA AT CONCORD STP in Garnet Valley, PA, held by CONCORD TWP DELAWARE CNTY, which discharges to Green Creek and is listed as a minor discharger. The page reports 10 pollutants on file, of which 10 are under a numeric limit, and 2 pollutants with an effluent exceedance.