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Review government records associated with Butte-Silver Bow (balance), Montana.
Toxin Scout is in beta. Please verify important findings with the linked sources.
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Preparing Butte-Silver Bow (balance) environmental records...
Check your water bill for your utility name and confirm the reporting year. See EPA’s guide to finding your annual water quality report.
Public water-system records for Butte-Silver Bow (balance), MT from EPA SDWIS.
Butte Silverbow Water Dept
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City-area ZIP code · Serves 33,000 people
Data from EPA SDWIS
Reviewed: source records as of Q1 2026
EPA UCMR5 — No PFAS detection records shown for these water systems
Open data source: EPA UCMR5DoD PFAS — No investigation records shown for this report
Open data source: DoD PFASEPA ATTAINS records identify assessed water bodies that do not meet water-quality standards for designated uses.
Silver Bow Creek-Mccleery Gulch
Reported: Nov 2026
Health-relevant causes: Mercury, Metals (other Than Mercury)
Affected uses: Drinkingwater, Ecological, Recreation
Data from EPA ATTAINS
NPDES permits regulate pollutant discharges into U.S. waterways. Facilities must report compliance quarterly.
Violation records
Last inspected: Dec 2025
Last inspected: Dec 2025
Last inspected: Dec 2025
Data from EPA ECHO
To investigate water contamination, check the sampling locations, dates and results below. For tap water records, see Drinking water quality above.
Reviewed: source records as of 2026
Review historical EPA air pollution records, including monitoring and facility emissions where available. For current conditions, check local air quality on AirNow.
Silver Bow County
Assessment year: 2020
According to EPA, a cancer risk of 20-in-1-million means that for every 1 million people continuously exposed to these air toxics over a 70-year lifetime, an estimated 20 may develop cancer from that exposure. This is in addition to cancer risk from all other causes.
Top modeled source groups
Data from EPA AirToxScreen
No EPA nonattainment designation records shown for this report.
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
Butte Greeley School — Butte-Silver Bow (Remainder), Montana
Annual mean: 17.5 Micrograms/cubic meter (25 C)
Observation year: 2025
Annual mean: 5.9 Micrograms/cubic meter (LC)
Observation year: 2025
Data from EPA AQS
Reviewed: source records as of Q4 2025
TRI releases are self-reported annual totals (calendar year 2024). Hover fugitive or stack for definitions.
Montana Precision Products LLC
Reported: 2024
Montana Resources LLC
Reported: 2024
EPA records for current, proposed and formerly listed Superfund sites on the National Priorities List (NPL).
Open data source: Search EPA ECHOEPA FRS Registry ID 110009339778
Reported: Nov 2021
EPA FRS Registry ID 110071101417
Reported: Nov 2021
Brownfield sites are properties where redevelopment is complicated by the presence of hazardous substances.
Open data source: Search EPA ECHO1 site with active cleanup or investigation status
701 South Arizona Street, Butte
Reported: Feb 2026
Facilities with hazardous-waste handler records under RCRA in the reviewed 5-mile city-center search area. Active handler status is separate from air, water, or other ECHO compliance violations, which are shown in their own sections.
Active RCRA handler records in the reviewed city search area
Release reports
Reported: Dec 2021
Reported: Dec 2021
Data from EPA UST Finder
Toxics Release Inventory data — chemicals disposed on-site at reporting facilities.
Montana Resources LLC
Open data source: View EPA TRI facility recordFormerly Used Defense Sites are properties previously owned by, leased to, or otherwise possessed by the United States and under the jurisdiction of the Secretary of Defense. The FUDS program addresses environmental restoration at these properties.
Open data source: USACE FUDSSites regulated by the Mine Safety and Health Administration, including mines, sand and gravel operations, and portable crushers. Status and type are from the MSHA Mine Data Retrieval System. Records with active/intermittent status dates older than 5 years are shown as older records rather than current active sites.
More MSHA records matched the search than this preview shows.
No records shown in this group.
Reviewed: status dates within last 5 years
Data from MSHA
Silver Bow County, MT
EPA Radon Zone Map (June 2024 release)
Silver Bow County is EPA Radon Zone 1 (highest potential). EPA defines Zone 1 counties as having predicted average indoor screening levels above 4 pCi/L.
Radon levels can vary from home to home, so EPA recommends testing the property to know its indoor level.
FEMA flood zones describe mapped flood hazards. Look up a specific address with FEMA.
No FEMA flood-zone records shown for this report.
Results use an earlier stored RMP inventory. Current EPA ECHO location coverage is unverified.
EPA ECHO lists facilities linked to the Risk Management Program. Results include facilities with locations that can be matched. Records may be historical. Current operations, chemical inventories, and recent accident history are unverified.
PHMSA tracks incidents involving natural gas and hazardous liquid pipelines. Incidents include leaks, ruptures, and explosions.
No records dated within the last 5 years surfaced for this city report.
Reviewed: last 5 years
Data from PHMSA
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Silver Bow County, MontanaPop. 36,068
County Health Rankings edition: 2024
Premature Death
Poor or Fair Health
Poor Physical Health Days
Poor Mental Health Days
Adult Smoking
Adult Obesity
Air Pollution - Particulate Matter
Drinking water violation indicator
Diabetes Prevalence
Life Expectancy
| Indicator | County | State | National |
|---|---|---|---|
| Premature Death | 9,558 | 8,418 | 7,972 |
| Poor or Fair Health | 14.6% | 13.7% | 14.2% |
| Poor Physical Health Days | 3.6 | 3.6 | 3.3 |
| Poor Mental Health Days | 5.4 | 4.9 | 4.8 |
| Adult Smoking | 17.8% | 15.3% | 15.0% |
| Adult Obesity | 32.2% | 31.8% | 34.0% |
| Air Pollution - Particulate Matter | 5.8 | 4.6 | 7.3 |
| Drinking water violation indicator | No | N/A | N/A |
| Diabetes Prevalence | 8.7% | 7.6% | 9.6% |
| Life Expectancy | 74.8 | 77.2 | 77.6 |
This report does not have PFAS sample results for the candidate water systems in Butte-Silver Bow (balance).
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 3 violations for Butte Silverbow Water Department.
Check your water bill to identify the utility serving your address. Ask that utility about current drinking water advisories.
Nearby EPA monitoring stations provide annual air quality measurements for Butte-Silver Bow (balance).
The monitoring station at Butte Greeley School, Butte-Silver Bow (Remainder), Montana recorded an annual average of 17.5 Micrograms/cubic meter (25 C) for particles (PM10) in 2025.
The monitoring station at Butte Greeley School, Butte-Silver Bow (Remainder), Montana recorded an annual average of 5.9 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The radon data for Butte-Silver Bow (balance) covers Silver Bow County. EPA places this area in Zone 1, with a predicted average indoor radon screening level above 4 picocuries per liter.
This city report shows 2 Superfund sites: Silver Bow Creek/Butte Area; Montana Pole and Treating.
This city report shows 3 brownfield sites: 64 West Mercury; 701 South Arizona; Bert Mooney Airport Authority.
View on EPA ECHOView on EPA ECHOView on EPA ECHOView on EPA ECHOView on EPA ECHO
The county data for Butte-Silver Bow (balance) reports a life expectancy of 74.8 years in Silver Bow County, Montana.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
The county data for Butte-Silver Bow (balance) reports 9,558 years of life lost to deaths before age 75 per 100,000 residents in Silver Bow County, Montana. This measure adds up the years lost to early deaths and adjusts for differences in population age.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
The county data for Butte-Silver Bow (balance) lists fine-particle pollution (PM2.5) at 5.8 micrograms per cubic meter in Silver Bow County, Montana.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
Federal pipeline records list an incident involving Northwestern Corporation near Butte-Silver Bow (balance) on Dec 7, 2018. The reported release was natural gas.