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Lycoming, PA

Moderate Risk (59/100)

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.

Environmental data for Lycoming in Pennsylvania · Population: 113,570

TRI sites such as Andritz Inc.; Ohd Thermacore Inc.; Plastic Development Co; SDWIS systems such as WILLIAMSPORT MUN WATER AUTH; JERSEY SHORE AREA JNT WAT AUTH; MONTOURSVILLE WATER COMPANY; NPL sites such as Avco Lycoming (Williamsport Division) anchor Lycoming, PA's EPA extract. Derived burden score 59/100 (Moderate 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 Lycoming include JERSEY SHORE AREA JNT WAT AUTH; MONTOURSVILLE WATER COMPANY; MUNCY BOROUGH WATER COMPANY, while Andritz Inc. leads reported TRI pounds among local Form R filers. AQS median AQI 39 / peak 122 in 2024.

Burden score 59/100 (Moderate 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 Lycoming -- 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 Lycoming, PA: EPA TRI 2023 reporting year

2022 → 2023

Same facilities, both years

-6.3%

18 facilities that filed in 2022 and 2023

Whole inventory

-6.3%

145.6 thousand lb → 136.3 thousand lb, every facility that filed

  • Lycoming, PA's total reported releases fell from 145.6 thousand lb in 2022 to 136.3 thousand lb in 2023, based on EPA TRI filings.
  • Lycoming, PA's air releases fell from 56.8 thousand lb in 2022 to 33.1 thousand lb in 2023, based on EPA TRI filings.
  • Lycoming, PA's off-site transfers rose from 88.5 thousand lb in 2022 to 103.0 thousand lb in 2023, based on EPA TRI filings.
  • Lycoming, PA's chemicals reported rose from 38 in 2022 to 40 in 2023, based on EPA TRI filings.
County population (Census ACS)
113,570
TRI Facilities
21
Water Systems
26
Superfund Sites
1
Total Releases
693.9K lbs

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 281 (77%) 84 1 122
2023 242 (86%) 38 3 119
2022 221 (73%) 83 0 80
2021 221 (62%) 132 1 111
2020 283 (77%) 82 1 109
2024 Good Air Quality: 77% of days
Unhealthy days: 1
Median AQI: 39

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 (26)

System System pop (SDWIS) Violations
WILLIAMSPORT MUN WATER AUTH 51,000 0
JERSEY SHORE AREA JNT WAT AUTH 6,600 4
MONTOURSVILLE WATER COMPANY 4,983 2
MUNCY BOROUGH WATER COMPANY 2,900 2
HUGHESVILLE BOROUGH WATER AUTH 2,800 2
MONTGOMERY WATER AUTHORITY 2,700 7
MUNCY STATE CORRECTIONAL INST 2,050 0
LCWSA LIMESTONE WATER 825 0
CRAWFORD TOWNSHIP AUTHORITY 600 4
LCWSA VILLAGE WATER 598 0
LCWSA HALLS STATION 518 15
HEATHERBROOKE ESTATES 410 0
RALSTON AREA JOINT AUTHORITY 400 6
HARVEST MOON TRAILER COURT 360 0
ORCHARD MOBILE HOME PARK 325 0
OAK LYNN MANOR MOBILE HOME PK 250 3
COLLOMSVILLE MUTUAL WATERWORKS 250 3
FOXCROFT MANOR MOBILE HOME PK 200 5
CARPENTERS PARK INC 120 0
EDGEWOOD MOBILE HOME PARK 117 1
AMERICAN MODERN HOMES 100 2
WATERVILLE WATER ASSOC 98 0
AMERICAN TEMPO VILLAGE PARK 88 1
LOYALSOCK MOBILE HOME PARK 85 4
A B C #2 MOBILE HOME PARK 75 8
HIDDEN VALLEY MOBILE HOME CT 60 1

TRI Facilities (21)

# Facility Total Releases
1 Andritz Inc. 324.3K lbs
2 Ohd Thermacore Inc. 94.7K lbs
3 Plastic Development Co 73.7K lbs
4 Arxada LLC 57.6K lbs
5 High Steel Structures - Williamsport Facility 47.4K lbs
6 Prysmian Cables & Systems USA LLC 41.1K lbs
7 Wenger Feeds Llc-Muncy (f/k/a Wenger Feed Mill Inc) 21.0K lbs
8 Championx-Hughesville 10.9K lbs
9 Koppers Inc (susquehanna) 8.6K lbs
10 Lycoming Engines a Div of Avco Corp 7.9K lbs
11 St Engineering Hackney Inc 3.7K lbs
12 Young Industries Inc 2.0K lbs
13 Chemcoat Inc 940 lbs
14 Spartronics Williamsport Inc. 6 lbs
15 Stellant Systems Llc. 2 lbs
16 Superior Plus Energy Services Inc. - Mill Street Station 0 lbs
17 Superior Plus Energy Services-Montoursville 0 lbs
18 Jw Aluminum Williamsport Operations 0 lbs
19 Pmf Industries Inc 0 lbs
20 Frito Lay 0 lbs
21 Reladyne Northeast LLC 0 lbs

Superfund Sites (1)

Site Name Status HRS Score
Avco Lycoming (Williamsport Division) NPL Site 42.24

Cities in Lycoming (11)

Williamsport
11 facilities · 5 water
Muncy
4 facilities · 5 water
Montoursville
3 facilities · 5 water
Montgomery
2 facilities · 1 water
Hughesville
1 facilities · 1 water
Linden
0 facilities · 3 water
Jersey Shore
0 facilities · 2 water
Ralston
0 facilities · 1 water
South Williamsport
0 facilities · 1 water
Trout Run
0 facilities · 1 water
Waterville
0 facilities · 1 water

Frequently Asked Questions

What is the environmental risk level in Lycoming, Pennsylvania? ▼
Lycoming, PA has an environmental risk score of 59/100 (Moderate Risk), based on 21 TRI facilities, 1 Superfund sites, and 26 water systems on record. 17 water systems have health-based violations. Source: EPA TRI, SDWIS, and Superfund NPL.
Are there Superfund sites in Lycoming? ▼
Yes, Lycoming, PA has 1 Superfund site on the EPA National Priorities List (NPL). Superfund sites are contaminated locations that require long-term cleanup under the EPA Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA).
How many toxic release facilities are in Lycoming? ▼
Lycoming, PA has 21 TRI-reporting facilities on record with the EPA Toxic Release Inventory, with a combined total of 693.9K lbs in reported toxic releases. TRI facilities self-report annual chemical release data to the EPA.
What is the air quality in Lycoming? ▼
In 2024, Lycoming, PA recorded a median AQI of 39 and a peak AQI of 122. 77% of monitored days had "Good" air quality (AQI 0–50). Source: EPA Air Quality System (AQS) Annual AQI by County.
Is the drinking water safe in Lycoming? ▼
Lycoming, PA has 26 EPA-regulated water systems. 17 systems have reported health-based violations (MCL exceedances). A past violation does not necessarily mean water is currently unsafe. For current water quality, contact your local water utility. Source: EPA SDWIS.
What environmental agencies cover Lycoming? ▼
Environmental compliance in Lycoming, Pennsylvania is overseen by the U.S. Environmental Protection Agency (EPA) at the federal level and the Pennsylvania state environmental agency. Facilities report to the EPA Toxic Release Inventory, water systems are regulated under the Safe Drinking Water Act, and contaminated sites are managed under the Superfund program. Contact your state environmental agency for local concerns.

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.

Related Guides

Understanding EPA Data
How EPA collects and publishes environmental data
Environmental Justice
Who lives near polluters and environmental hazards
How to Check Environmental Quality
Step-by-step guide to checking your local environment

Read our methodology - how this data is sourced, computed, and verified.

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Data sourced from U.S. EPA environmental datasets. See our methodology for details. Retrieved and formatted by PlainEnviro