Clean Water Act discharge permit · NPDES MD0055620

FLINTSTONE WWTP, Cumberland, MD: NPDES MD0055620 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
7Pollutants under a numeric limit
2Pollutants with an effluent exceedance

FLINTSTONE WWTP, held by ALLEGANY COUNTY DPW - UTIL. DIV. FLINSTONE WWTP, holds NPDES permit MD0055620, which discharges to Upper Potomac River. EPA’s file records it issued May 15, 2015 and expiring May 31, 2020. 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	FLINTSTONE WWTP
Permittee as filed	ALLEGANY COUNTY DPW - UTIL. DIV. FLINSTONE WWTP
NPDES ID	MD0055620
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	May 15, 2015
Expiration date	May 31, 2020
Issuing agency	MD DEPARTMENT OF THE ENVIRONMENT
Address	Cumberland, MD 21530
Receiving water	UPPER POTOMAC RIVER
Receiving water impaired	303(D) Listed
Subwatershed	Flintstone Creek (HUC 020700030102)
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

11Pollutants on file
7Under a numeric limit
11With 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
Flow, in conduit or thru treatment plant	2	48	44	March 31, 2003	302% over the limit
Solids, total suspended	4	18	8	August 31, 2018	129% over the limit
Coliform, fecal general	0	20	0
BOD, 5-day, 20 deg. C	4	12	0
E. coli	1	10	0
pH	2	4	0
Ammonia nitrogen, total, [as N] 30 day	0	4	0
Oxygen, dissolved [DO]	1	3	0
Chlorine, total residual	1	2	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 MD0055620.

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 MD0055620 there.

Nearby on the register

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

This public-records page covers Clean Water Act NPDES permit MD0055620 for the FLINTSTONE WWTP in Cumberland, MD, held by ALLEGANY COUNTY DPW - UTIL. DIV. FLINSTONE WWTP, which discharges to the Upper Potomac River. The page lists a Minor Discharger class, 2 pollutants under a numeric limit, and 2 pollutants with an effluent exceedance, with the permit shown as administratively continued and dated from May 15, 2015 to May 31, 2020.