FOUR HILLS LANDFILL
NASHUA, NH · HILLSBOROUGH COUNTY · NAICS 562212
Data updated May 2026
FOUR HILLS LANDFILL ranks among smaller GHGRP totals (#7,600 of 8,713 nationally; #16 of 19 in NH), a lower-footprint comparator in Waste.
- National rank #7,600 of 8,713 GHGRP facilities
- #16 of 19 in NH
- #1,220 of 1,433 in Waste
- 100% of CITY OF NASHUA DEPARTMENT OF PUBLIC WORKS parent CO₂e
- 2023 mix: 99.9% non-CO₂ (CH₄-led)
- -87.2% since 2011
FOUR HILLS LANDFILL vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
10,011 7600th of 8713 higher than 1,113 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 CITY OF NASHUA DEPARTMENT OF PUBLIC WORKS reported parent CO₂e (10K MT of 10K MT ). Inside the EPA Waste sector it ranks #1,220 of 1,433 facilities by latest CO₂e. Shares use GHGRP facility rollups only, not Scope 2/3 or non-reporting sites.
2023 gas mix desk
Of 10K MT CO₂e reported for 2023, non-CO₂ gases are 99.9% , led by CH₄ at 99.9% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 0.1%
- 10 MT
- CH₄
- 99.9%
- 10K MT
- N₂O
- -
- n/r
Emissions decline across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 10,011 |
| 2022 | 10,448 |
| 2021 | 78,196 |
| 2020 | 71,560 |
| 2019 | 74,860 |
| 2018 | 70,133 |
| 2017 | 73,975 |
| 2016 | 83,370 |
| 2015 | 88,301 |
| 2014 | 78,229 |
| 2013 | 77,093 |
| 2012 | 57,212 |
| 2011 | 78,421 |
Facility insight: FOUR HILLS LANDFILL
FOUR HILLS LANDFILL (ID 1004751) reported 10K MT CO₂e for 2023 in HILLSBOROUGH COUNTY, NH (#7,600 of 8,713 by latest CO₂e).
Across 2011–2023, annual CO₂e fell 87.2%; peak load was 88K MT in 2015. This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2015 at 88K MT CO2e; latest 2023 sits 88.7% below that peak (10K MT). The largest year-to-year move was 2021→2022 (-86.6%, 68K MT).
Frequently Asked Questions
Where does FOUR HILLS LANDFILL rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, FOUR HILLS LANDFILL ranks #7,600 of 8,713 reporting facilities by latest reported CO₂e, and #16 of 19 facilities in NH (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than FOUR HILLS LANDFILL? ▼
FOUR HILLS LANDFILL's 10K MT CO₂e is higher than 1,113 of the 8,713 GHGRP facilities with reported emissions (13%), an exact count from the full corpus, not an estimate.
How much CO2 does FOUR HILLS LANDFILL emit? ▼
FOUR HILLS LANDFILL reported 10K MT CO2e in 2023.
What share of CITY OF NASHUA DEPARTMENT OF PUBLIC WORKS does FOUR HILLS LANDFILL represent? ▼
FOUR HILLS LANDFILL accounts for 100% of CITY OF NASHUA DEPARTMENT OF PUBLIC WORKS's reported GHGRP CO₂e (10K MT of 10K MT).
What is FOUR HILLS LANDFILL's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 99.9% of reported CO₂e at FOUR HILLS LANDFILL, with CH₄ the larger non-CO₂ share at 99.9% (CO₂ 0.1%). Shares use the facility's GHGRP gas components for that year.
Where does FOUR HILLS LANDFILL rank inside Waste? ▼
Among EPA GHGRP facilities tagged Waste, FOUR HILLS LANDFILL ranks #1,220 of 1,433 by latest reported CO₂e.
Is FOUR HILLS LANDFILL reducing emissions? ▼
Over 13 reporting years (2011–2023), FOUR HILLS LANDFILL's emissions have decreased by 87.2%. This suggests meaningful progress in emissions reduction.
Nationwide facilities with similar CO₂e or sector
Lower-footprint peers outside NH: nearest CO₂e totals and same-sector reporters for context.
Similar reported CO₂e
Nearest latest-year facility totals outside NH (10K MT here).
Similar Waste CO₂e
Nearest same-sector facility totals outside NH.