EPA TRI Facility · Nonmetallic Mineral Product
Notus Pit
Caldwell, ID · Parent: Mdu Resources Group Inc
- Total releases
- 0 lbs
- Chemicals reported
- 2
- Latest report
- 2019
- Primary pathway
- Air Releases
AIR Form-R mix
Notus Pit: how the 0 lbs splits
0 lbs across all reported pathways
- Air Releases 0 lbs 100.0%
Notus Pit's 0 lbs Form-R total is AIR - air releases is 100.0% of the bar. Off-site transfers stay separate from air, water, and land releases. Leading chemical by pounds: Lead And Lead Compounds.
TRACE volume AIR pathway CLEAN
Notus Pit is an EPA Toxics Release Inventory reporter in Caldwell, ID, in the nonmetallic mineral product sector. It reported 0 lbs of releases across 2 chemicals in 2019. That ranks 20,871 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Idaho's 123 reporting TRI sites, pounds #1 is not chemical-count #1. Notus Pit is pounds #121 and chemical-count #100 at 0 lbs. Hecla Ltd Lucky Friday Mine Unit leads reported pounds (58.7M lbs) at 10 chemicals (chemical-count #9). US Ecology Idaho Inc. leads chemical count at 75 chemicals (10.2M lbs, pounds #6). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Forterra Structural Specialty Products - Caldwell; Sunroc Corp - Notus Hot Mix Asphalt Plant; Simplot Western Stockmen's; Best Bath Systems. Similar-scale Nonmetallic Mineral Product peers outside Idaho: Calportland Co Orange Grove Plant; Calportland Co Sun City (old Glendale) Plant; Brannan Sand & Gravel- Central Ready Mix; Ready Mix USA Llc-Cantonment Plant. Other Mdu Resources Group Inc sites in this extract: Rm Heskett Station; Lewis & Clark Station; Knife River Cheyenne; Mdu Resources Roseburg Asphalt. Largest disclosed chemicals by pounds: Lead And Lead Compounds; Mercury And Mercury Compounds.
Notus Pit stamps TRACE volume with a dominant AIR pathway (100.0% air releases) across 2 chemicals. Cumulative Form-R extract: 0 lbs (2019–2019). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Calportland Co Orange Grove Plant and Calportland Co Sun City (old Glendale) Plant.
Notus Pit vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
0 lbs 20th percentile higher than 20% 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
Notus Pit in the Nonmetallic Mineral Product sector extract
Among the 3,265 Nonmetallic Mineral Product facilities in this database, Notus Pit reports the 2,270th-largest volume (0 lbs). Scale peers outside Idaho include Calportland Co Orange Grove Plant and Calportland Co Sun City (old Glendale) Plant.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Notus Pit Form-R facts
Compare this facility
See how Notus Pit stacks up against nearby facilities and the typical reporter.
About the same as the comparison
2.0× more 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 Notus Pit releases toxic chemicals into the environment. Total: 0 lbs.
Chemical Releases
Aggregated across all reporting years (2019–2019). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Lead And Lead Compounds | 0 lbs | - |
| Mercury And Mercury Compounds | 0 lbs | - |
Notus Pit · AIR-pathway site
Nearest TRI Facilities to Notus Pit
Closest other reporters in Idaho - including Forterra Structural Specialty Products - Caldwell, Sunroc Corp - Notus Hot Mix Asphalt Plant, Simplot Western Stockmen's, ordered by distance.
Showing 8 of 122 other reporting facilities in Idaho.
Similar Nonmetallic Mineral Product Facilities
Other Nonmetallic Mineral Product facilities with similar total release volumes (±80%), outside Idaho - e.g. Calportland Co Orange Grove Plant, Calportland Co Sun City (old Glendale) Plant, Brannan Sand & Gravel- Central Ready Mix.
Other Mdu Resources Group Inc Facilities
Same-parent TRI sites ranked by reported releases - including Rm Heskett Station, Lewis & Clark Station, Knife River Cheyenne.
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 And Lead Compounds, Mercury And Mercury Compounds; nearby reporters include Forterra Structural Specialty Products - Caldwell. Notus Pit stamps TRACE volume · AIR pathway · CLEAN 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 Notus Pit TRI extract (TRACE · AIR · CLEAN · lead Lead And Lead Compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Notus Pit totals are self-reported EPCRA §313 estimates for Caldwell, ID, latest year 2019. NAICS 327320 · Nonmetallic Mineral Product. 0.0% of Canyon TRI pounds in this extract. Nearest ABS peer: Aluminum Wheel Technologies Inc (Δ 0 lbs). Pounds ≠ exposure.
Notus Pit stamps TRACE volume · AIR pathway · CLEAN · lead Lead And Lead Compounds. 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