MMSD-JONES ISLAND WASTEWATER TREATMENT PLANT
MILWAUKEE, WI · MILWAUKEE COUNTY · NAICS 221320
Data updated May 2026
According to the EPA Greenhouse Gas Reporting Program, MMSD-JONES ISLAND WASTEWATER TREATMENT PLANT ranks #3,267 of 8,713 U.S. reporting facilities by latest reported CO₂e and #62 of 161 facilities in WI.
- National rank #3,267 of 8,713 GHGRP facilities
- #62 of 161 in WI
- #403 of 1,599 in Other
- 100% of MILWAUKEE METROPOLITAN SEWERAGE DISTRICT parent CO₂e
- 2023 mix: 0.2% non-CO₂ (N₂O-led)
- -18.2% since 2011
MMSD-JONES ISLAND WASTEWATER TREATMENT PLANT vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
73,395 3267th of 8713 higher than 5,446 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 MILWAUKEE METROPOLITAN SEWERAGE DISTRICT reported parent CO₂e (73K MT of 73K MT ). Inside the EPA Other sector it ranks #403 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 73K MT CO₂e reported for 2023, non-CO₂ gases are 0.2% , led by N₂O at 0.1% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 99.8%
- 73K MT
- CH₄
- 0.1%
- 61 MT
- N₂O
- 0.1%
- 103 MT
Emissions decline across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 73,395 |
| 2022 | 73,586 |
| 2021 | 79,045 |
| 2020 | 87,023 |
| 2019 | 83,536 |
| 2018 | 90,912 |
| 2017 | 71,113 |
| 2016 | 85,356 |
| 2015 | 79,890 |
| 2014 | 72,162 |
| 2013 | 95,246 |
| 2012 | 78,260 |
| 2011 | 89,774 |
Facility insight: MMSD-JONES ISLAND WASTEWATER TREATMENT PLANT
MMSD-JONES ISLAND WASTEWATER TREATMENT PLANT (EPA GHGRP Facility ID 1003426) reported 73K metric tons of CO2-equivalent in 2023, operating in MILWAUKEE, WI within MILWAUKEE COUNTY. Among GHGRP reporters it ranks #3,267 of 8,713 nationally by latest CO₂e and #62 of 161 in WI. The site is classified under Other with NAICS code 221320.
Across 2011–2023, annual CO₂e fell 18.2%; peak load was 95K MT in 2013. This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2013 at 95K MT CO2e; latest 2023 sits 22.9% below that peak (73K MT). The largest year-to-year move was 2013→2014 (-24.2%, 23K MT).
Frequently Asked Questions
Where does MMSD-JONES ISLAND WASTEWATER TREATMENT PLANT rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, MMSD-JONES ISLAND WASTEWATER TREATMENT PLANT ranks #3,267 of 8,713 reporting facilities by latest reported CO₂e, and #62 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 MMSD-JONES ISLAND WASTEWATER TREATMENT PLANT? ▼
MMSD-JONES ISLAND WASTEWATER TREATMENT PLANT's 73K MT CO₂e is higher than 5,446 of the 8,713 GHGRP facilities with reported emissions (63%), an exact count from the full corpus, not an estimate.
How much CO2 does MMSD-JONES ISLAND WASTEWATER TREATMENT PLANT emit? ▼
MMSD-JONES ISLAND WASTEWATER TREATMENT PLANT reported 73K MT CO2e in 2023.
What share of MILWAUKEE METROPOLITAN SEWERAGE DISTRICT does MMSD-JONES ISLAND WASTEWATER TREATMENT PLANT represent? ▼
MMSD-JONES ISLAND WASTEWATER TREATMENT PLANT accounts for 100% of MILWAUKEE METROPOLITAN SEWERAGE DISTRICT's reported GHGRP CO₂e (73K MT of 73K MT).
What is MMSD-JONES ISLAND WASTEWATER TREATMENT PLANT's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.2% of reported CO₂e at MMSD-JONES ISLAND WASTEWATER TREATMENT PLANT, with N₂O the larger non-CO₂ share at 0.1% (CO₂ 99.8%). Shares use the facility's GHGRP gas components for that year.
Where does MMSD-JONES ISLAND WASTEWATER TREATMENT PLANT rank inside Other? ▼
Among EPA GHGRP facilities tagged Other, MMSD-JONES ISLAND WASTEWATER TREATMENT PLANT ranks #403 of 1,599 by latest reported CO₂e.
Is MMSD-JONES ISLAND WASTEWATER TREATMENT PLANT reducing emissions? ▼
Over 13 reporting years (2011–2023), MMSD-JONES ISLAND WASTEWATER TREATMENT PLANT's emissions have decreased by 18.2%. This suggests meaningful progress in emissions reduction.
Nationwide facilities with similar CO₂e or sector
Two GHGRP-derived peer sets for MMSD-JONES ISLAND WASTEWATER TREATMENT PLANT, both outside WI so the neighborhoods are not state-geo containment.
Similar reported CO₂e
Nearest latest-year facility totals outside WI (73K MT here).
Similar Other CO₂e
Nearest same-sector facility totals outside WI.