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Clean Water Act discharge permit · NPDES MAR1005CT

201 HILL TOP, Lancaster, MA: NPDES MAR1005CT discharge permit, effluent exceedances, inspections, penalties

201 HILL TOP, held by Alan Colby, holds NPDES permit MAR1005CT. EPA’s file records it issued August 26, 2024 and expiring February 16, 2027. 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.

What the register holds for 201 HILL TOP: its NPDES ID, its permit type and status, its dates, its address in Lancaster, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR1005CT.

Identity

Facility as filed201 HILL TOP
Permittee as filedAlan Colby
NPDES IDMAR1005CT
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedAugust 26, 2024
Expiration dateFebruary 16, 2027
Issuing agencyU.S. EPA
AddressLancaster, MA 01523
SubwatershedMonoosnoc Brook-North Nashua River (HUC 010700040103)

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

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MAR1005CT.

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 MAR1005CT.

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

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MAR1005CT.

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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 MAR1005CT there.

Nearby on the register

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

What this page shows

The 201 HILL TOP storm water construction permit, filed under Alan Colby and covering Lancaster, Massachusetts, is one of 10 such permits in that town on the register, and 60.0% of those 10 were issued earlier than this one. It sits within a subwatershed that contains 66 NPDES permits, this one included, and none of the permit's pollutants carry a numeric limit or an effluent exceedance on file.