Northampton, PA
Transparent derived index from EPA TRI / SDWIS / Superfund extracts: not an official EPA rating. Fixed caps: facilities ≤25 pts (50+ = max), log10 releases ≤25 pts, Superfund ≤25 pts (5/site), health-violation systems ≤15 pts (3/system), high-chemical facilities ≤10 pts. Bands: High ≥60, Moderate ≥30. See methodology. This is a different measure than the EJ Screening score for this county, which ranks it by percentile against other tracked counties rather than against these fixed caps.
Environmental data for Northampton in Pennsylvania · Population: 315,927
TRI sites such as Northampton Generating Plant; Essroc Cement Corp; Avient Corp; SDWIS systems such as EASTON AREA WATER SYSTEM; NORTHAMPTON BORO MUNI AUTH; HELLERTOWN BOROUGH AUTHORITY; NPL sites such as Hellertown Manufacturing Co.; Industrial Lane anchor Northampton, PA's EPA extract. Derived burden score 73/100 (High Risk) uses fixed national caps on density, log release volume, Superfund count, and health-flagged systems - not an official EPA rating.
Health-flagged SDWIS rows in Northampton include LOWER SAUCON AUTHORITY; WALNUTPORT AUTHORITY; PORTLAND BORO AUTHORITY, while Northampton Generating Plant leads reported TRI pounds among local Form R filers. AQS median AQI 39 / peak 105 in 2024.
Burden score 73/100 (High Risk) is the only weighted composite on this page. The tables below list every TRI facility, SDWIS system, and Superfund site EPA has on record for Northampton -- not just the names called out above -- reproducing the disclosure history as filed, not a current-safety verdict. Extract current as of 2026-08-25.
Release-over-release change
What changed for Northampton, PA: EPA TRI 2023 reporting year
Same facilities, both years
-17.2%
30 facilities that filed in 2022 and 2023
Whole inventory
-17.2%
1.5 million lb → 1.2 million lb, every facility that filed
Between the two reporting years, 0 facilities filed for the first time and 1 stopped filing. Facilities entering or leaving the inventory are excluded from the same-facility comparison above.
- Northampton, PA's total reported releases fell from 1.5 million lb in 2022 to 1.2 million lb in 2023, based on EPA TRI filings.
- Northampton, PA's water releases rose from 1.4 thousand lb in 2022 to 2.6 thousand lb in 2023, based on EPA TRI filings.
- Northampton, PA's off-site transfers fell from 1.1 million lb in 2022 to 816.6 thousand lb in 2023, based on EPA TRI filings.
- Northampton, PA's air releases rose from 379.8 thousand lb in 2022 to 418.5 thousand lb in 2023, based on EPA TRI filings.
Air Quality History (2020–2024)
EPA Air Quality Index (AQI) data showing how many days per year fall into each air quality category.
| Year | Good | Moderate | Unhealthy (SG) | Max AQI |
|---|---|---|---|---|
| 2024 | 278 (76%) | 87 | 1 | 105 |
| 2023 | 209 (58%) | 146 | 2 | 368 |
| 2022 | 224 (63%) | 132 | 2 | 118 |
| 2021 | 214 (59%) | 147 | 4 | 148 |
| 2020 | 260 (71%) | 104 | 1 | 117 |
Source: EPA Air Quality System (AQS) Annual AQI by County AQI categories: Good (0-50), Moderate (51-100), Unhealthy for Sensitive Groups (101-150), Unhealthy (151-200), Very Unhealthy (201-300), Hazardous (301+)
For real-time air quality readings and pollutant breakdowns in Pennsylvania, see the EPA's AirNow.gov.
Water Systems (36)
| System | System pop (SDWIS) | Violations |
|---|---|---|
| EASTON AREA WATER SYSTEM | 96,867 | 0 |
| NORTHAMPTON BORO MUNI AUTH | 40,000 | 0 |
| HELLERTOWN BOROUGH AUTHORITY | 5,800 | 0 |
| LOWER SAUCON AUTHORITY | 5,700 | 1 |
| WALNUTPORT AUTHORITY | 3,000 | 9 |
| BATH MUNICIPAL WATER WORKS | 2,680 | 0 |
| PORTLAND BORO AUTHORITY | 1,100 | 1 |
| HICKORY HILLS MHC | 800 | 2 |
| E BANGOR MUN AUTHORITY | 800 | 1 |
| GLENCREST MOBILE HOME PARK | 570 | 2 |
| WHISPERING HOLLOW-SOUTH MHP | 400 | 2 |
| MOUNTAINVIEW MHP | 335 | 1 |
| LEHIGH TWP MUNI AUTH | 260 | 2 |
| SCENIC VIEW APARTMENTS | 150 | 0 |
| HILLENDALE-ON-THE-DELAWARE | 150 | 0 |
| WALNUTPORT MOBILE COURT | 150 | 0 |
| WOODSIDE MOBILE HOME PARK | 130 | 2 |
| POCONO MOBILE HOME ESTATES | 129 | 2 |
| CENTRE COUNTY MHC LLC | 100 | 0 |
| COBLE VILLAGE MHP | 95 | 0 |
| HEIDELBERG ACRES MHP | 90 | 3 |
| MILLER MANOR HOMEOWNERS ASSOC | 90 | 6 |
| ROYAL OAKS MHP | 85 | 0 |
| MILLERS EDGEWOOD MHP | 78 | 0 |
| E J GULICK MHP | 78 | 0 |
| LYNWOOD ACRES MOBILE HOME PARK | 77 | 0 |
| RIVERSEDGE | 75 | 7 |
| WINDSOR MOBILEHOME PARK | 70 | 0 |
| MACUNGIE VILLAGE MHP | 65 | 0 |
| CEDAR GROVE MOBILE HOME PARK | 65 | 1 |
| PAW WINOLA | 63 | 2 |
| DRIFTWOOD COURT | 53 | 0 |
| PENNWOOD ESTATES MHP | 51 | 0 |
| GREEN ACRES MOBILE HOME PARK | 48 | 16 |
| HEMLOCK VILLAGE | 45 | 3 |
| THE ORCHARD AT AIRPORT ROAD | 37 | 5 |
TRI Facilities (35)
Superfund Sites (2)
| Site Name | Status | HRS Score |
|---|---|---|
| Hellertown Manufacturing Co. | NPL Site | 51.91 |
| Industrial Lane | NPL Site | 42.47 |
Cities in Northampton (14)
Frequently Asked Questions
What is the environmental risk level in Northampton, Pennsylvania? ▼
Are there Superfund sites in Northampton? ▼
How many toxic release facilities are in Northampton? ▼
What is the air quality in Northampton? ▼
Is the drinking water safe in Northampton? ▼
What environmental agencies cover Northampton? ▼
What does this county environmental profile show?
This county environmental profile rolls up EPA Toxics Release Inventory facility reports, Safe Drinking Water Information System public-water-system filings, and Superfund National Priorities List sites for the county boundary defined by the U.S. Census Bureau. Facility counts reflect facilities with a reporting address inside the county, not where downstream environmental effects may be observed. Population figures are from the most recent Census ACS 5-year estimate. The county detail page is updated whenever the upstream EPA programs publish revised data; see the methodology page for the documented ingest cadence and the editorial choices governing how aggregations are computed.
Read our methodology - how this data is sourced, computed, and verified.