Clean Water Act discharge permit · NPDES MD0069035

RED LINE PUMPING STATIONS, Bethesda, MD: NPDES MD0069035 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
4Pollutants under a numeric limit
3Pollutants with an effluent exceedance

RED LINE PUMPING STATIONS, held by W.M.A.T.A.- RED LINE P.S., holds NPDES permit MD0069035, which discharges to Rock Creek & Anacostia River. EPA’s file records it issued February 1, 2021 and expiring January 31, 2026. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	RED LINE PUMPING STATIONS
Permittee as filed	W.M.A.T.A.- RED LINE P.S.
NPDES ID	MD0069035
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	February 1, 2021
Expiration date	January 31, 2026
Issuing agency	Maryland Department Of The Environment
Address	Bethesda, MD 20814
Receiving water	Rock Creek & Anacostia River
Subwatershed	Lower Rock Creek (HUC 020700100102)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

4Pollutants on file
4Under a numeric limit
4With a violation of any kind
3With 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
Solids, total suspended	32	78	18	July 31, 2024	411% over the limit
pH	40	500	2	July 31, 2024
Oil & Grease	16	36	2	March 31, 2008	160% over the limit
Flow, in conduit or thru treatment plant	32	82	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 MD0069035.

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 MD0069035 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

This public-records page covers NPDES permit MD0069035, held by W.M.A.T.A.- RED LINE P.S. for the RED LINE PUMPING STATIONS in Bethesda, MD, which discharges to Rock Creek & Anacostia River in the Lower Rock Creek subwatershed (HUC 020700100102). The permit is administratively continued, was issued February 1, 2021 and expired January 31, 2026, and the page lists 3 pollutants under a numeric limit and 3 pollutants with an effluent exceedance, out of 4 pollutants on file.