TRI facility · TRI 2024 reporting year

Jeffrey Energy Center

Total reported releases 1.1M lb fell modestly year over year (-9%). Total releases concentrations have more than halved since 2010.

25905 JEFFREY RD, Saint Marys, Kansas · 221112 · Electric Utilities · operated by Evergy INC

TOTAL RELEASES · 20102024
Bar chart of annual values from 2010 to 2024, in lb. Most recent year (2024): 1.1M.2.7M'10'12'14'16'18'20'22'241.1M
Anomaly engine

Notable Signals

LONG-ARC IMPROVEMENT · LONG-ARC SHIFT

Barium And Barium Compounds

Barium And Barium Compounds at Jeffrey Energy Center have more than halved since 2010 (through 2024).

LONG-ARC IMPROVEMENT · LONG-ARC SHIFT

Manganese And Manganese Compounds

Manganese And Manganese Compounds at Jeffrey Energy Center have more than halved since 2010 (through 2024).

LONG-ARC IMPROVEMENT · LONG-ARC SHIFT

Total reported releases

Total reported releases at Jeffrey Energy Center have more than halved since 2010 (through 2024).

Chemicals reported · most recent year

What This Facility Releases

GENERALCAS N040

Barium And Barium Compounds

759k lb · -15% YoY

Barium And Barium Compounds concentrations have more than halved since 2010.

GENERALCAS 7664-41-7

Ammonia

157k lb · +45% YoY

Ammonia concentrations have fallen 34% since 2015.

RESPIRATORYCAS N450

Manganese And Manganese Compounds

38k lb · -12% YoY

Manganese And Manganese Compounds concentrations have more than halved since 2010.

GENERALCAS N770

Vanadium compounds

27k lb · -14% YoY

Vanadium compounds concentrations have more than halved since 2010.

GENERALCAS N100

Copper And Copper Compounds

24k lb · -13% YoY

Copper And Copper Compounds concentrations have more than halved since 2010.

GENERALCAS N982

Zinc compounds

19k lb · -11% YoY

Zinc compounds concentrations have more than halved since 2010.

RESPIRATORYCAS N090

Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)

12k lb · -13% YoY

Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) concentrations have more than halved since 2010.

RESPIRATORYCAS 7664-39-3

Hydrogen fluoride

10k lb · -7% YoY

Hydrogen fluoride concentrations have more than halved since 2010.

Equity context · ACS 2018-2022 block-group demographics

Who Lives Next To This Facility

Within 3 miles of this facility (1 Census block groups, population-weighted demographics): a population of 1,738. Why we surface this →

POPULATION SHARE
47.1%

Low-income

POPULATION SHARE
14.5%

People of color

POPULATION SHARE
12.9%

Under age 5

POPULATION SHARE
5.2%

Over age 64

Source: Census ACS 2018-2022 block-group demographics, population-weighted across the 3-mile buffer around this facility (from USEPA-clone/EJAM-open blockgroupstats). Indicator-level percentile and EJ-disparity scores are surfaced on the county page and the state page — they describe wider regional exposure burdens, not effects attributable to a single facility.

Source. EPA Toxics Release Inventory · retrieved 2026-05-07. Reporting year 2024. TRI is a federal public-domain dataset under 17 USC §105.

What this is not. TRI quantifies releases reported by the facility under EPCRA §313 — not ambient air or water concentrations measured at receptors. We do not attribute individual health outcomes to specific facilities; that exceeds what the data can support.