Aztalan Bio LLC
Johnson Creek, WI · JEFFERSON COUNTY · NAICS 325193
Data updated May 2026
Aztalan Bio LLC ranks among smaller GHGRP totals (#7,162 of 8,713 nationally; #127 of 161 in WI), a lower-footprint comparator in Other.
- National rank #7,162 of 8,713 GHGRP facilities
- #127 of 161 in WI
- #1,350 of 1,599 in Other
- 100% of AZTALAN BIO parent CO₂e
- 2023 mix: 0.1% non-CO₂ (N₂O-led)
- -86.5% since 2011
Aztalan Bio LLC vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
15,063 7162nd of 8713 higher than 1,551 of 8,713 facilities
GHGRP facilities, banded by latest reported CO₂e (MT)
Each bar is a band; taller bars hold more facilities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source EPA Greenhouse Gas Reporting Program · 2023
Facility footprint context
This site accounts for 100% of AZTALAN BIO reported parent CO₂e (15K MT of 15K MT ). Inside the EPA Other sector it ranks #1,350 of 1,599 facilities by latest CO₂e. Shares use GHGRP facility rollups only, not Scope 2/3 or non-reporting sites.
2023 gas mix desk
Of 15K MT CO₂e reported for 2023, non-CO₂ gases are 0.1% , led by N₂O at 0.1% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 99.9%
- 15K MT
- CH₄
- 0%
- 7 MT
- N₂O
- 0.1%
- 8 MT
Emissions decline across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 15,063 |
| 2022 | 38 |
| 2021 | 1,631 |
| 2020 | 27,999 |
| 2019 | 112,514 |
| 2018 | 119,469 |
| 2017 | 122,368 |
| 2016 | 124,679 |
| 2015 | 122,872 |
| 2014 | 130,482 |
| 2013 | 112,756 |
| 2012 | 108,034 |
| 2011 | 111,770 |
Facility insight: Aztalan Bio LLC
Aztalan Bio LLC (ID 1004608) reported 15K MT CO₂e for 2023 in JEFFERSON COUNTY, WI (#7,162 of 8,713 by latest CO₂e).
Across 2011–2023, annual CO₂e fell 86.5%; peak load was 130K MT in 2014. This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2014 at 130K MT CO2e; latest 2023 sits 88.5% below that peak (15K MT). The largest year-to-year move was 2019→2020 (-75.1%, 85K MT).
Frequently Asked Questions
Where does Aztalan Bio LLC rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Aztalan Bio LLC ranks #7,162 of 8,713 reporting facilities by latest reported CO₂e, and #127 of 161 facilities in WI (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than Aztalan Bio LLC? ▼
Aztalan Bio LLC's 15K MT CO₂e is higher than 1,551 of the 8,713 GHGRP facilities with reported emissions (18%), an exact count from the full corpus, not an estimate.
How much CO2 does Aztalan Bio LLC emit? ▼
Aztalan Bio LLC reported 15K MT CO2e in 2023.
What share of AZTALAN BIO does Aztalan Bio LLC represent? ▼
Aztalan Bio LLC accounts for 100% of AZTALAN BIO's reported GHGRP CO₂e (15K MT of 15K MT).
What is Aztalan Bio LLC's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.1% of reported CO₂e at Aztalan Bio LLC, with N₂O the larger non-CO₂ share at 0.1% (CO₂ 99.9%). Shares use the facility's GHGRP gas components for that year.
Where does Aztalan Bio LLC rank inside Other? ▼
Among EPA GHGRP facilities tagged Other, Aztalan Bio LLC ranks #1,350 of 1,599 by latest reported CO₂e.
Is Aztalan Bio LLC reducing emissions? ▼
Over 13 reporting years (2011–2023), Aztalan Bio LLC's emissions have decreased by 86.5%. This suggests meaningful progress in emissions reduction.
Nationwide facilities with similar CO₂e or sector
Lower-footprint peers outside WI: nearest CO₂e totals and same-sector reporters for context.
Similar reported CO₂e
Nearest latest-year facility totals outside WI (15K MT here).
Similar Other CO₂e
Nearest same-sector facility totals outside WI.