Velarion Records
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.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES COG501860

TJH STONE QUARRY 1, Dry Creek, CO: NPDES COG501860 discharge permit, effluent exceedances, inspections, penalties

TJH STONE QUARRY 1, held by TJH Stone Ltd, holds NPDES permit COG501860, which discharges to West Fork Dry Creek. EPA’s file records it issued April 29, 2017 and expiring December 31, 2021. 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 TJH STONE QUARRY 1: its NPDES ID, its permit type and status, its dates, its address in Dry Creek, Colorado, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COG501860.

Identity

Facility as filedTJH STONE QUARRY 1
Permittee as filedTJH Stone Ltd
NPDES IDCOG501860
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
IssuedApril 29, 2017
Expiration dateDecember 31, 2021
AddressDry Creek, CO 81424
Receiving waterWest Fork Dry Creek
Receiving water impaired303(D) Listed
SubwatershedWest Fork Dry Creek (HUC 140300030503)
SIC1411 – Dimension Stone

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES COG501860.

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 COG501860.

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, COG501860.

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 COG501860 there.

Nearby on the register

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

What this page shows

TJH STONE QUARRY 1 is one of 1 NPDES permits in the West Fork Dry Creek subwatershed, the only one there, including this permit. Among the 40 general permit coverages in San Miguel County, 55.0% have a violation on file, and this permit has none of the 0 pollutants with a numeric limit or the 0 pollutants with an effluent exceedance. Of all 40 general permit coverages in San Miguel County, including this one, 25.0% were issued before this permit's April 29, 2017 issue date.