Clean Water Act discharge permit · NPDES COR900059

GTI HENDERSON TERMINAL, Henderson, CO: NPDES COR900059 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

GTI HENDERSON TERMINAL, held by 1932 Property Group LLC, holds NPDES permit COR900059, which discharges to First Creek Flood Channel Easement - South Platte. EPA’s file records it issued March 29, 2012 and expiring June 30, 2017.

GTI HENDERSON TERMINAL, Henderson, Colorado: Coverage under a general permit COR900059, held by 1932 Property Group LLC; Industrial stormwater; Administratively continued (past its expiration date and still in force until reissued); issued March 29, 2012, term to June 30, 2017; discharges to First Creek Flood Channel Easement - South Platte.

Colorado holds 1,020 Industrial stormwater coverages of this permit type in EPA’s file; 1 were issued before COR900059. 1932 Property Group LLC holds 4 permits in Colorado.

Other permits held by 1932 Property Group LLC

GROENDYKE TRANSPORT INC, Fountain: COR901164, issued October 12, 2012
GROENDYKE TRANSPORT INC GRAND JUNCTION, Grand Junction: COR901485, issued March 11, 2019
GROENDYKE TRANSPORT INC PUEBLO, Pueblo: COR901486, issued March 19, 2019

Coverages issued nearest COR900059

March 29, 2012: UPS SILVERTHORNE CENTER, Silverthorne, COR900054, held by UPS Building and Systems Engineering
March 29, 2012: UPS LAMAR CENTER, Lamar, COR900055, held by UPS Building and Systems Engineering
March 29, 2012: UPS LA JUNTA CENTER, La Junta, COR900056, held by UPS Building and Systems Engineering
March 29, 2012: ROCKY MOUNTAIN TRANSLOAD COMMERCE CITY, Commerce City, COR900057, held by Rocky Mountain Transload Inc
March 29, 2012: NORTH YARD, Denver, COR900058, held by Union Pacific Railroad Co
March 29, 2012: UNION PAC RR GRAND JUNCTION YARD, Grand Junction, COR900063, held by Union Pacific Railroad
March 29, 2012: ACE EXPRESS COACHES, Golden, COR900064, held by Ace Express Coaches LLC
March 29, 2012: PUEBLO HAULING FACILITY AND TRANSFER STATION, Pueblo, COR900066, held by Waste Management of Colorado Inc
March 29, 2012: STERLING HAULING FACILITY AND TRANSFER STATION, Unincorporated, COR900067, held by Waste Management of Colorado Inc
March 29, 2012: UPS CANON CITY CENTER, Canon City, COR900068, held by United Parcel Service

GTI HENDERSON TERMINAL among its neighbors

EPA’s permit file holds 151 discharge permits in the City of Thornton-South Platte River subwatershed (HUC 101900030402), COR900059 among them. Its county holds 670, 8 of them major permits; COR900059 is a minor permit.

Other permits in the City of Thornton-South Platte River subwatershed (HUC 101900030402)

22601-SH 7, I-25 TO SH 85 RESURFACING, Thornton: COR423669, minor permit, permit term to March 31, 2029
23369 US85 OVERLAY I-76 TO 124TH, Commerce City: COR426317, minor permit, permit term to March 31, 2029
24921 N FEDERAL MEDIANS, Westminster: COR423226, minor permit, permit term to March 31, 2029
400 E 104 AVE LOT, Adams County: COG315197, minor permit, permit term to October 31, 2010
47TH & TELLURIDE PARK, Denver: COR429565, minor permit, permit term to March 31, 2029
48FORTY SOLUTIONS LLC, Henderson: COR901638, minor permit, discharging to South Platte River, permit term to December 31, 2025
56TH AVE PUMP STATION SOLAR PHOTOVOLTAIC EXPANSION PROJECT, Denver: COR430755, minor permit, permit term to March 31, 2029
56TH AVE. WIDENING PEORIA ST. TO PENA BLVD., Denver: COR416965, minor permit, permit term to March 31, 2024
7 BREW FLYWAY, Denver: COR425380, minor permit, permit term to March 31, 2029
AAA COOPER TRANSPORTATION, Henderson: COR901677, minor permit, discharging to Burlington Ditch - Barr Lake, permit term to June 30, 2029

What the register holds for GTI HENDERSON TERMINAL: its NPDES ID, its permit type and status, its dates, its address in Henderson, Colorado, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR900059.

Identity

Facility as filed	GTI HENDERSON TERMINAL
Permittee as filed	1932 Property Group LLC
NPDES ID	COR900059
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Industrial stormwater
Issued	March 29, 2012
Expiration date	June 30, 2017
Address	Henderson, CO 80640
Receiving water	First Creek Flood Channel Easement - South Platte
Subwatershed	City of Thornton-South Platte River (HUC 101900030402)

Effluent limits and exceedances

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES COR900059.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES COR900059.

Inspections

EPA’s inspection file holds no inspection for NPDES COR900059.

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 COR900059.

Watch this permit

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Nearby on the register

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

The GTI HENDERSON TERMINAL storm water industrial permit (NPDES ID COR900059) is one of 140 such permits in Adams County, and it is among 151 NPDES permits in the City of Thornton-South Platte River subwatershed. Its issue date falls at the 0.0% mark among the 140 Adams County storm water industrial permits, and the permit records no pollutants under a numeric limit or any effluent exceedance.