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 COR900947

THERMO FLUIDS PENROSE, Penrose, CO: NPDES COR900947 discharge permit, effluent exceedances, inspections, penalties

THERMO FLUIDS PENROSE, held by Thermo Fluids Inc, holds NPDES permit COR900947, which discharges to Arkansas River. EPA’s file records it issued June 26, 2012 and expiring June 30, 2017.

THERMO FLUIDS PENROSE, Penrose, Colorado: Coverage under a general permit COR900947, held by Thermo Fluids Inc; Industrial stormwater; Administratively continued (past its expiration date and still in force until reissued); issued June 26, 2012, term to June 30, 2017; discharges to Arkansas River.

  • Solids, total suspended: 1 limit, 8 violations of any kind, 0 effluent exceedances.
  • Iron, total recoverable: 1 limit, 8 violations of any kind, 0 effluent exceedances.
  • Zinc, total recoverable: 1 limit, 8 violations of any kind, 0 effluent exceedances.
  • Aluminum, total recoverable: 1 limit, 8 violations of any kind, 0 effluent exceedances.
  • Lead, total recoverable: 1 limit, 8 violations of any kind, 0 effluent exceedances.
  • Copper, total recoverable: 1 limit, 8 violations of any kind, 0 effluent exceedances.
  • Zinc, potentially dissolved: 1 limit, 8 violations of any kind, 0 effluent exceedances.
  • Chemical Oxygen Demand [COD]: 1 limit, 8 violations of any kind, 0 effluent exceedances.

Colorado holds 1,020 Industrial stormwater coverages of this permit type in EPA’s file; 442 were issued before COR900947. Thermo Fluids Inc holds 3 permits in Colorado.

Other permits held by Thermo Fluids Inc

Coverages issued nearest COR900947

THERMO FLUIDS PENROSE among its neighbors

EPA’s permit file holds 11 discharge permits in the Willow Spring Creek-Arkansas River subwatershed (HUC 110200020603), COR900947 among them. Its county holds 94, 1 of them major permits; COR900947 is a minor permit.

Other permits in the Willow Spring Creek-Arkansas River subwatershed (HUC 110200020603)

  • *DUP* HOLCIM - TIER 2 *DUP*, Florence: COR425697, minor permit, permit term to March 31, 2029
  • *DUP* HOLCIM - TIER 2 *DUP*, Florence: COR430921, minor permit, permit term to March 31, 2029
  • PENROSE AUTO SALVAGE, Penrose: COR901564, minor permit, discharging to unnamed tributary to Arkansas River, permit term to December 31, 2025
  • PENROSE FACILITY, Penrose: COR900026, minor permit, discharging to Bear Creek - Arkansas River, permit term to June 30, 2017
  • PENROSE RANCH PIT, Florence: COG501749, minor permit, discharging to unnamed tributary - Arkansas River, permit term to December 31, 2021
  • PENROSE WWTF, Penrose: CO0046523, minor permit, discharging to BEAR CREEK, permit term to December 31, 2015
  • PORTLAND CEMENT PLANT, Florence: COR900923, minor permit, discharging to the Arkansas River, permit term to June 30, 2017
  • PORTLAND PLANT, Florence: CO0000671, minor permit, discharging to ARKANSAS RIVER, permit term to June 30, 2016
  • RANCH LAND ROCK PIT 2, Pueblo: COG501895, minor permit, discharging to Minnequa Canal - Salt Creek, permit term to December 31, 2021
  • SH 120 BRIDGE @ HOLCIM, Fremont County: COG074285, minor permit, discharging to Arkansas River, permit term to September 30, 2013

Identity

Facility as filedTHERMO FLUIDS PENROSE
Permittee as filedThermo Fluids Inc
NPDES IDCOR900947
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
ProgramIndustrial stormwater
IssuedJune 26, 2012
Expiration dateJune 30, 2017
AddressPenrose, CO 81240
Receiving waterArkansas River
SubwatershedWillow Spring Creek-Arkansas River (HUC 110200020603)
SIC5093 – Scrap And Waste Materials

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Solids, total suspended180
Iron, total recoverable180
Zinc, total recoverable180
Aluminum, total recoverable180
Lead, total recoverable180
Copper, total recoverable180
Zinc, potentially dissolved180
Chemical Oxygen Demand [COD]180

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COR900947.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES COR900947.

Inspections

EPA’s inspection file holds no inspection for NPDES COR900947.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES COR900947.

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, COR900947.

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

Nearby on the register

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

What this page shows

This public-records page covers NPDES permit COR900947 for THERMO FLUIDS PENROSE in Penrose, CO, held by Thermo Fluids Inc, with a permit status of administratively continued and a minor discharger class. The page lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.