Velarion Records

Clean Water Act discharge permit · NPDES COG501737

FLORENCE SAND AND GRAVEL PIT, Florence, CO: NPDES COG501737 discharge permit, effluent exceedances, inspections, penalties

FLORENCE SAND AND GRAVEL PIT, held by Langston Concrete Inc, holds NPDES permit COG501737, which discharges to Coal Creek. EPA’s file records it issued May 10, 2017 and expiring December 31, 2021. 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 FLORENCE SAND AND GRAVEL PIT: its NPDES ID, its permit type and status, its dates, its address in Florence, Colorado, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COG501737.

Identity

Facility as filedFLORENCE SAND AND GRAVEL PIT
Permittee as filedLangston Concrete Inc
NPDES IDCOG501737
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMay 10, 2017
Expiration dateDecember 31, 2021
AddressFlorence, CO 81226
Receiving waterCoal Creek
SubwatershedCoal Creek (HUC 110200020405)

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 COG501737.

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 COG501737.

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, COG501737.

Start the watch

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 COG501737 there.

Nearby on the register

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

Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.