EPA Air · stack tests by state and year

Air-emissions stack tests in Colorado, 2019

431Stack tests

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in Colorado during 2019; one facility can appear more than once, because this is a record of what happened rather than a list of places.

Counties in Colorado, 2019

Colorado, other years

Air-emissions stack tests recorded in Colorado, 2019

Date	Facility	Where	Kind	Agency
2019-02-27	SUMMIT DJ-S - YENTER GAS PLANT	STERLING 8.8 MI. NW OF, Logan, CO	Fail	State
2019-02-27	NOBLE ENERGY - OSCAR Y10 ECONODE T2N-R64	KEENESBURG 2.5 MI. NW OF, Weld, CO	Pass	State
2019-02-27	ROCKY MOUNTAIN MIDSTREAM - FT LUPTON C.S	FORT LUPTON AREA, Weld, CO	Pass	State
2019-02-27	ROCKY MOUNTAIN MIDSTREAM - FT LUPTON C.S	FORT LUPTON AREA, Weld, CO	Pass	State
2019-02-26	TUMBLEWEED MIDSTREAM - LADDER CREEK C.S. — high-priority violation on file	CHEYENNE WELLS, Cheyenne, CO	Pass	State
2019-02-25	YUMA ETHANOL, LLC	YUMA AREA, Yuma, CO	Pass	State
2019-02-22	TRI STATE GENERATION & TRANS - CRAIG	CRAIG 2.9 MI. SW OF, Moffat, CO	Pass	State
2019-02-21	WASTE MGMT - MONTROSE COUNTY LANDFILL	MONTROSE AREA, Montrose, CO	Pass	State
2019-02-21	RED CEDAR GATHERING COMPANY - PONDEROSA COMPRESSOR STATION	DURANGO, La Plata, CO	Pass	State
2019-02-19	EXTRACTION - MICKEY-VARRA FACILITY	WINDSOR AREA, Weld, CO	Pass	State
2019-02-19	NOBLE ENERGY - WELLS RANCH STATE A36 ECO	KERSEY 5.3 MI. N OF, Weld, CO	Pass	State
2019-02-19	RED CEDAR GATHERING COMPANY - PUMP CANYON COMPRESSOR STATION	LA PLATA COUNTY, La Plata, CO	Pass	State
2019-02-14	RED CEDAR GATHERING COMPANY - SPRING CREEK COMPRESSOR STATION	IGNACIO, La Plata, CO	Pass	State
2019-02-12	COORSTEK, INC. - CENTER FOR ADVANCED MAT	GOLDEN, Jefferson, CO	Pass	State
2019-02-12	RED CEDAR GATHERING COMPANY - TRAIL CANYON COMPRESSOR STATION	SOUTHERN UTE RESERVATION, La Plata, CO	Pass	State
2019-01-30	CEMEX CONSTRUCTION MATERIALS - LYONS — high-priority violation on file	LYONS AREA, Boulder, CO	Pass	State
2019-01-29	CEMEX CONSTRUCTION MATERIALS - LYONS — high-priority violation on file	LYONS AREA, Boulder, CO	Pass	State
2019-01-17	GRAND RIVER GATHERING, LLC- HIGH MESA CS	PARACHUTE 2.5 MI. S OF, Garfield, CO	Pass	State
2019-01-17	GRAND RIVER GATHERING, LLC- HIGH MESA CS	PARACHUTE 2.5 MI. S OF, Garfield, CO	Pass	State
2019-01-17	NOBLE ENERGY - KEOTA GAS PLANT	GROVER 8.4 MI. S OF, Weld, CO	Pass	State
2019-01-16	GRAND RIVER GATHERING, LLC- HIGH MESA CS	PARACHUTE 2.5 MI. S OF, Garfield, CO	Pass	State
2019-01-16	GRAND RIVER GATHERING, LLC- HIGH MESA CS	PARACHUTE 2.5 MI. S OF, Garfield, CO	Pass	State
2019-01-15	GRAND RIVER GATHERING, LLC- HIGH MESA CS	PARACHUTE 2.5 MI. S OF, Garfield, CO	Pass	State
2019-01-15	DCP OPERATING CO - MEWBOURN — high-priority violation on file	GILCREST 2.4 MI. N OF, Weld, CO	Pass	State
2019-01-14	GRAND RIVER GATHERING, LLC- HIGH MESA CS	PARACHUTE 2.5 MI. S OF, Garfield, CO	Pass	State
2019-01-14	GRAND RIVER GATHERING, LLC- HIGH MESA CS	PARACHUTE 2.5 MI. S OF, Garfield, CO	Pass	State
2019-01-14	BONANZA CREEK ENERGY- NORTH PLATTE 14-36	KERSEY, Weld, CO	Pass	State
2019-01-10	SIMCOE - SALVADOR I / II CENTRAL DELIVERY POINT	DURANGO, La Plata, CO	Pass	U.S. EPA
2019-01-09	HIGHPOINT - PETERSON 5-63-30 SWNE	KERSEY 2.9 MI. E OF, Weld, CO	Pass	State
2019-01-08	HIGHPOINT - PETERSON 5-63-30 SWNE	KERSEY 2.9 MI. E OF, Weld, CO	Fail	State
2019-01-08	HIGHPOINT - PETERSON 5-63-30 SWNE	KERSEY 2.9 MI. E OF, Weld, CO	Pass	State

Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.