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Clean Water Act discharge permit · NPDES COR430291

CITY OF LONGMONT - MONTGOMERY TANK, Longmont, CO: NPDES COR430291 discharge permit, effluent exceedances, inspections, penalties

CITY OF LONGMONT - MONTGOMERY TANK, held by Moltz Construction, Inc., holds NPDES permit COR430291. EPA’s file records it issued March 23, 2026 and expiring March 31, 2029. 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.

What the register holds for CITY OF LONGMONT - MONTGOMERY TANK: its NPDES ID, its permit type and status, its dates, its address in Longmont, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR430291.

Identity

Facility as filedCITY OF LONGMONT - MONTGOMERY TANK
Permittee as filedMoltz Construction, Inc.
NPDES IDCOR430291
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMarch 23, 2026
Expiration dateMarch 31, 2029
AddressLongmont, CO 80503
SubwatershedIndian Mountain-Saint Vrain Creek (HUC 101900050701)

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 COR430291.

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 COR430291.

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, COR430291.

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How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

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 COR430291 there.

Nearby on the register

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