EPA TRI Facility · Wood Products
Masonite Corp - 12TH St Facility
Mason City, IA · Parent: Masonite Corp.
- Total releases
- 963 lbs
- Chemicals reported
- 1
- Carcinogens
- 1
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Masonite Corp - 12TH St Facility: how the 963 lbs splits
963 lbs across all reported pathways
- Off-site Transfers 963 lbs 100.0%
Masonite Corp - 12TH St Facility's 963 lbs Form-R total is OFFSITE - off-site transfers is 100.0% of the bar. Off-site transfers stay separate from air, water, and land releases. Leading chemical by pounds: Lead.
TRACE volume OFFSITE pathway CARC-HEAVY
Masonite Corp - 12TH St Facility is an EPA Toxics Release Inventory reporter in Mason City, IA, in the wood products sector. It reported 963 lbs of releases across 1 chemical in 2019. That ranks 13,926 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Iowa's 460 reporting TRI sites, pounds #1 is not chemical-count #1. Masonite Corp - 12TH St Facility is pounds #314 and chemical-count #386 at 963 lbs. Climax Molybdenum Co leads reported pounds (16.4M lbs) at 5 chemicals (chemical-count #117). Helena Industries LLC leads chemical count at 32 chemicals (9.4K lbs, pounds #247). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Heidelberg Materials US Cement LLC; Kraft Heinz Foods Co; Curries Div of Aadg Inc.; Minnesota Rubber & Plastics. Similar-scale Wood Products peers outside Iowa: Pacific Wood Laminates Inc; Stimson Lumber Co St Maries Operation; Russellville; Mc Dixon Lumber Co Inc. Largest disclosed chemicals by pounds: Lead.
Masonite Corp - 12TH St Facility stamps TRACE volume with a dominant OFFSITE pathway (100.0% off-site transfers) across 1 chemical · 1 carcinogen-classified. Cumulative Form-R extract: 963 lbs (2019–2019). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Pacific Wood Laminates Inc and Stimson Lumber Co St Maries Operation.
Masonite Corp - 12TH St Facility vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
963 lbs 46th percentile higher than 46% of 25,986 reporting TRI facilities
Each bar is a $1M-wide band; taller bars hold more reporting TRI facilities. The dashed line and filled bar mark this facility. Hover, focus, or tap a bar for its full count, share, and position.
Source U.S. Environmental Protection Agency, Toxics Release Inventory · 2023 reporting year
Masonite Corp - 12TH St Facility in the Wood Products sector extract
Among the 823 Wood Products facilities in this database, Masonite Corp - 12TH St Facility reports the 330th-largest volume (963 lbs). Scale peers outside Iowa include Pacific Wood Laminates Inc and Stimson Lumber Co St Maries Operation.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Masonite Corp - 12TH St Facility Form-R facts
Compare this facility
See how Masonite Corp - 12TH St Facility stacks up against nearby facilities and the typical reporter.
98% less than the comparison
95% less than the comparison
Comparison reflects reported pounds and chemical counts, not toxicity or health risk. Averages cover facilities reporting any release.
How does this facility release toxic chemicals?
How Masonite Corp - 12TH St Facility releases toxic chemicals into the environment. Total: 963 lbs.
Chemical Releases
Aggregated across all reporting years (2019–2019). 1 of 1 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Lead | 963 lbs | Carcinogen |
Masonite Corp - 12TH St Facility · OFFSITE-pathway site
Nearest TRI Facilities to Masonite Corp - 12TH St Facility
Closest other reporters in Iowa - including Heidelberg Materials US Cement LLC, Kraft Heinz Foods Co, Curries Div of Aadg Inc., ordered by distance.
Showing 8 of 459 other reporting facilities in Iowa.
Similar Wood Products Facilities
Other Wood Products facilities with similar total release volumes (±80%), outside Iowa - e.g. Pacific Wood Laminates Inc, Stimson Lumber Co St Maries Operation, Russellville.
About TRI Data
Data as of 2023 reporting year. Source: U.S. Environmental Protection Agency (EPA) Toxic Release Inventory.
On this page the largest disclosed chemicals include Lead; nearby reporters include Heidelberg Materials US Cement LLC. Masonite Corp - 12TH St Facility stamps TRACE volume · OFFSITE pathway · CARC-HEAVY carcinogen-lbs on this Form-R extract. Totals are self-reported estimates under EPCRA §313, not measured stack emissions or a health-risk score.
Use and verify this record
This Masonite Corp - 12TH St Facility TRI extract (TRACE · OFFSITE · CARC-HEAVY · lead Lead) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Masonite Corp - 12TH St Facility totals are self-reported EPCRA §313 estimates for Mason City, IA, latest year 2019. NAICS 321911 · Wood Products. 0.1% of Cerro Gordo TRI pounds in this extract. Nearest ABS peer: Valley Todeco (Δ 0 lbs). Pounds ≠ exposure.
Masonite Corp - 12TH St Facility stamps TRACE volume · OFFSITE pathway · CARC-HEAVY · lead Lead. PlainEnviro renders this EPA Form-R extract from its pipeline; no figure is typed in by an editor. Corrections: editorial policy.
All federal data sources used on this page
- EPA Toxics Release Inventory (TRI) Basic Data Files - annual self-reported chemical-release filings. epa.gov
- EPA TRI Program reference - how chemicals and reported releases are counted. epa.gov
- EPA Facility Registry Service - facility location and identity. epa.gov
- EPA ECHO - regulatory and compliance context. epa.gov
- EPA Envirofacts - the EPA data warehouse exposing these datasets. epa.gov