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Glacier, MT

Low Risk (22/100)

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 Glacier in Montana · Population: 13,713

TRI sites such as US Cbp Piegan Port of Entry #MT0001; SDWIS systems such as TOWN OF BROWNING; TWO MEDICINE WATER - EAST GLACIER; BEDROCKBABB WATER SYSTEM anchor Glacier, MT's EPA extract. Derived burden score 22/100 (Low 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 Glacier include TOWN OF BROWNING; TWO MEDICINE WATER - EAST GLACIER; BEDROCKBABB WATER SYSTEM, while US Cbp Piegan Port of Entry #MT0001 leads reported TRI pounds among local Form R filers. AQS median AQI 23 / peak 99 in 2024.

Burden score 22/100 (Low 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 Glacier -- 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 Glacier, MT: EPA TRI 2023 reporting year

2022 → 2023

Same facilities, both years

-75.2%

1 facilities that filed in 2022 and 2023

Whole inventory

-75.2%

106 lb → 26 lb, every facility that filed

  • Glacier, MT's total reported releases fell from 106 lb in 2022 to 26 lb in 2023, based on EPA TRI filings.
  • Glacier, MT's off-site transfers fell from 106 lb in 2022 to 26 lb in 2023, based on EPA TRI filings.
County population (Census ACS)
13,713
TRI Facilities
1
Water Systems
16
Superfund Sites
0
Total Releases
132 lbs

Air Quality History (2023–2024)

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 306 (88%) 40 0 99
2023 315 (89%) 33 5 166
2024 Good Air Quality: 88% of days
Median AQI: 23

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 Montana, see the EPA's AirNow.gov.

Water Systems (16)

System System pop (SDWIS) Violations
TOWN OF BROWNING 4,671 3
TWO MEDICINE WATER - EAST GLACIER 1,504 5
BEDROCKBABB WATER SYSTEM 645 2
CUT BANK NORTH WATER DISTRICT 478 0
HEART BUTTE WATER SYSTEM 400 4
SEVILLE WATER SYSTEM 300 2
STARR SCHOOL WATER SYSTEM 250 3
GLENDALE COLONY 150 0
HORIZON COLONY 150 0
SEVILLE COLONY 116 0
BIG SKY COLONY CUT BANK 107 0
GLACIER COLONY 80 0
HIDDEN LAKE COLONY 80 2
ZENITH COLONY 70 0
BLACKFEET DORM. WATER SYSTEM 66 1
BLACKFOOT WATER SYSTEM 56 3

TRI Facilities (1)

# Facility Total Releases
1 US Cbp Piegan Port of Entry #MT0001 132 lbs

Cities in Glacier (2)

Babb
1 facilities · 0 water
Browning
0 facilities · 8 water

Frequently Asked Questions

What is the environmental risk level in Glacier, Montana? ▼
Glacier, MT has an environmental risk score of 22/100 (Low Risk), based on 1 TRI facilities, 0 Superfund sites, and 16 water systems on record. 9 water systems have health-based violations. Source: EPA TRI, SDWIS, and Superfund NPL.
Are there Superfund sites in Glacier? ▼
No Superfund National Priorities List (NPL) sites are currently registered in Glacier, MT in the EPA database.
How many toxic release facilities are in Glacier? ▼
Glacier, MT has 1 TRI-reporting facility on record with the EPA Toxic Release Inventory, with a combined total of 132 lbs in reported toxic releases. TRI facilities self-report annual chemical release data to the EPA.
What is the air quality in Glacier? ▼
In 2024, Glacier, MT recorded a median AQI of 23 and a peak AQI of 99. 88% 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 Glacier? ▼
Glacier, MT has 16 EPA-regulated water systems. 9 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 Glacier? ▼
Environmental compliance in Glacier, Montana is overseen by the U.S. Environmental Protection Agency (EPA) at the federal level and the Montana 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