Velarion Records

Clean Water Act discharge permit · NPDES MDG767302

WOODLAND HILLS, Gaithersburg, MD: NPDES MDG767302 discharge permit, effluent exceedances, inspections, penalties

WOODLAND HILLS, held by HIGH SIERRA POOLS, holds NPDES permit MDG767302, which discharges to Seneca Creek. EPA’s file records it issued July 26, 2023 and expiring November 30, 2027. 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 filedWOODLAND HILLS
Permittee as filedHIGH SIERRA POOLS
NPDES IDMDG767302
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJuly 26, 2023
Expiration dateNovember 30, 2027
Issuing agencyMARYLAND DEPARTMENT OF THE ENVIRONMERNT
AddressGaithersburg, MD 20879
Receiving waterSENECA CREEK
Receiving water impaired303(D) Listed
SubwatershedGreat Seneca Creek (HUC 020700080802)

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

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Flow8360
pH4180
Chlorine, total residual290
Turbidity, lab, NTU290

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MDG767302.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES MDG767302.

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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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 MDG767302 there.

Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES MDG767302, held by HIGH SIERRA POOLS for WOODLAND HILLS in Gaithersburg, MD, which discharges to Seneca Creek in the Great Seneca Creek subwatershed (HUC 020700080802). The page lists the permit as Effective and a Minor discharger class 4, with 4 pollutants on file, all under a numeric limit, and 0 pollutants with an effluent exceedance.

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