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 WYR321019

RED BUTTES GYPSUM QUARRY (LQD PT0605), Laramie, WY: NPDES WYR321019 discharge permit, effluent exceedances, inspections, penalties

RED BUTTES GYPSUM QUARRY (LQD PT0605), held by Mountain Cement Company LLC, holds NPDES permit WYR321019. EPA’s file records it issued October 1, 2025 and expiring December 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 RED BUTTES GYPSUM QUARRY (LQD PT0605): its NPDES ID, its permit type and status, its dates, its address in Laramie, Wyoming. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES WYR321019.

Identity

Facility as filedRED BUTTES GYPSUM QUARRY (LQD PT0605)
Permittee as filedMountain Cement Company LLC
NPDES IDWYR321019
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedOctober 1, 2025
Expiration dateDecember 31, 2029
Issuing agencyWyoming Department of Environmental Quality
AddressLaramie, WY 82070
SubwatershedHarney Creek (HUC 101800100406)

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 WYR321019.

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 WYR321019.

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, WYR321019.

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 WYR321019 there.

Nearby on the register

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

What this page shows

RED BUTTES GYPSUM QUARRY (LQD PT0605) is among 16 general permit coverages in Albany County, and 75.0% of that group, counting this coverage, were issued earlier. Albany County has 16 general permit coverages on the register, and 31.3% carry a violation on file. The Harney Creek subwatershed registers 6 NPDES permits, counting this coverage.