EPA Air · stack tests by county and year

Air-emissions stack tests in Polk County, Florida, 2026

61Stack tests

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in Polk County, Florida during 2026. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the Polk County facility page.

Polk County, Florida, 2026

Air-emissions stack tests in Polk County, other years

Air-emissions stack tests recorded in Polk County, Florida, 2026

Date	Facility	Kind	Agency
2026-07-25	MOSAIC FERTILIZER LLC — high-priority violation on file	Pass	State
2026-07-25	MOSAIC FERTILIZER LLC — high-priority violation on file	Pass	State
2026-07-08	MOSAIC FERTILIZER LLC — high-priority violation on file	Pass	State
2026-06-30	MOSAIC FERTILIZER LLC — high-priority violation on file	Pass	State
2026-06-30	MOSAIC FERTILIZER LLC — high-priority violation on file	Pass	State
2026-06-19	DUKE ENERGY FLORIDA, LLC	Pass	State
2026-06-19	DUKE ENERGY FLORIDA, LLC	Pass	State
2026-06-18	DUKE ENERGY FLORIDA, LLC	Pass	State
2026-06-04	LAKELAND ELECTRIC	Pass	State
2026-06-04	LAKELAND ELECTRIC	Pass	State
2026-06-03	LAKELAND ELECTRIC	Pass	State
2026-06-03	LAKELAND ELECTRIC	Pass	State
2026-06-03	BALL METAL BEVERAGE CONTAINER CORP.	Pass	State
2026-06-02	LAKELAND ELECTRIC	Pass	State
2026-06-02	LAKELAND ELECTRIC	Pass	State
2026-06-02	DUKE ENERGY FLORIDA, LLC	Pass	State
2026-06-02	DUKE ENERGY FLORIDA, LLC	Pass	State
2026-05-28	DUKE ENERGY FLORIDA, LLC	Pass	State
2026-05-20	GENERAL ASPHALT OF LAKELAND, LLC	Pass	State
2026-05-19	MOSAIC FERTILIZER LLC — high-priority violation on file	Pass	State
2026-05-19	MOSAIC FERTILIZER LLC — high-priority violation on file	Pass	State
2026-05-14	OWENS CORNING INSULATING SYSTEMS, LLC	Pass	State
2026-05-06	TAMPA ELECTRIC COMPANY	Pass	State
2026-05-06	TAMPA ELECTRIC COMPANY	Pass	State
2026-05-05	MOSAIC FERTILIZER LLC — high-priority violation on file	Pass	State
2026-05-05	MOSAIC FERTILIZER LLC — high-priority violation on file	Pass	State
2026-04-30	TAMPA ELECTRIC COMPANY	Pass	State
2026-04-30	TAMPA ELECTRIC COMPANY	Pass	State
2026-04-27	MOSAIC FERTILIZER LLC	Pass	State
2026-03-31	MOSAIC FERTILIZER LLC — high-priority violation on file	Pass	State
2026-03-31	MOSAIC FERTILIZER LLC — high-priority violation on file	Pass	State
2026-03-31	MOSAIC FERTILIZER LLC — high-priority violation on file	Pass	State
2026-03-24	STANDARD SAND & SILICA CO — high-priority violation on file	Pass	State
2026-03-24	MOSAIC FERTILIZER LLC — high-priority violation on file	Pass	State
2026-03-24	MOSAIC FERTILIZER LLC — high-priority violation on file	Pass	State
2026-03-17	MOSAIC FERTILIZER LLC — high-priority violation on file	Pass	State
2026-03-17	MOSAIC FERTILIZER LLC — high-priority violation on file	Pass	State
2026-03-16	MOSAIC FERTILIZER, LLC — high-priority violation on file	Pass	State
2026-03-16	MOSAIC FERTILIZER, LLC — high-priority violation on file	Pass	State
2026-02-27	CUTRALE CITRUS JUICES USA, INC	Pass	State
2026-02-27	CUTRALE CITRUS JUICES USA, INC	Pass	State
2026-02-19	MOSAIC FERTILIZER LLC — high-priority violation on file	Pass	State
2026-02-19	MOSAIC FERTILIZER LLC — high-priority violation on file	Pass	State
2026-02-19	FLORIDA MUNICIPAL POWER AGENCY	Pass	State
2026-02-19	FLORIDA MUNICIPAL POWER AGENCY	Pass	State
2026-02-18	MOSAIC FERTILIZER, LLC — high-priority violation on file	Pass	State
2026-02-18	MOSAIC FERTILIZER, LLC — high-priority violation on file	Pass	State
2026-02-12	MOSAIC FERTILIZER, LLC — high-priority violation on file	Pass	State
2026-02-12	MOSAIC FERTILIZER, LLC — high-priority violation on file	Pass	State
2026-02-10	MOSAIC FERTILIZER, LLC — high-priority violation on file	Pass	State
2026-02-10	MOSAIC FERTILIZER, LLC — high-priority violation on file	Pass	State
2026-02-10	MOSAIC FERTILIZER LLC — high-priority violation on file	Pass	State
2026-02-06	MOSAIC FERTILIZER, LLC — high-priority violation on file	Pass	State
2026-02-06	STANDARD SAND & SILICA COMPANY	Pass	State
2026-02-05	MOSAIC FERTILIZER LLC — high-priority violation on file	Pass	State
2026-02-05	MOSAIC FERTILIZER LLC — high-priority violation on file	Pass	State
2026-01-27	MOSAIC FERTILIZER, LLC — high-priority violation on file	Pass	State
2026-01-27	MOSAIC FERTILIZER, LLC — high-priority violation on file	Pass	State
2026-01-27	MOSAIC FERTILIZER, LLC — high-priority violation on file	Pass	State
2026-01-13	MOSAIC FERTILIZER LLC — high-priority violation on file	Pass	State
2026-01-09	LAKELAND ELECTRIC	Pass	State

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

What this page shows

This page covers Clean Air Act facilities in the EPA air register with stack tests in Polk county, FL, for 2026. It lists 61 stack tests recorded in 2026.