Certain glycol ethers
Certain glycol ethers releases at Gm Spring Hill Manufacturing fell from 38k lb to 18k lb (54% lower) between 2023 and 2024.
TRI facility · TRI 2024 reporting year
Gm Spring Hill Manufacturing
Total reported releases 94k lb fell sharply year over year (-37%). Total releases concentrations have more than doubled since 2010.
100 SATURN PKWY MAIL DROP 371-998-M10, Spring Hill, Tennessee · 336110 · Transportation Equipment · operated by General Motors LLC
Anomaly engine
Notable Signals
1,2,4-Trimethylbenzene
1,2,4-Trimethylbenzene releases at Gm Spring Hill Manufacturing fell from 29k lb to 14k lb (53% lower) between 2023 and 2024.
Chemicals reported · most recent year
What This Facility Releases
Certain glycol ethers
Certain glycol ethers concentrations have more than doubled since 2010.
Xylene (mixed isomers)
Xylene (mixed isomers) concentrations have more than doubled since 2012.
1,2,4-Trimethylbenzene
1,2,4-Trimethylbenzene concentrations have fallen 47% since 2010.
Methyl isobutyl ketone
Methyl isobutyl ketone concentrations are up 14% since 2012.
Copper
Copper concentrations have more than doubled since 2010.
Diisononyl Phthalates (DINP)
Diisononyl Phthalates (DINP) volumes here are too small to anchor a multi-year trend; YoY movement is still shown above.
Toluene
Toluene concentrations are up 93% since 2012.
Sodium nitrite
Sodium nitrite concentrations have more than halved since 2016.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (7 Census block groups, population-weighted demographics): a population of 18,839. Why we surface this →
14.7%
Low-income
15.8%
People of color
8.6%
Under age 5
13.2%
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.