Loading city report
Preparing Signal Mountain environmental records...
Review government records associated with Signal Mountain, Tennessee.
Toxin Scout is in beta. Please verify important findings with the linked sources.
Loading city report
Preparing Signal Mountain 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 Signal Mountain, TN from EPA SDWIS.
Signal Mountain Water System
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
Purchased or imported water record · Serves 7,714 people
Data from EPA SDWIS
PFAS screening separates EPA UCMR5 drinking-water monitoring from nearby DoD PFAS investigation-site records; EPA samples shown are from Mar 2024 to Dec 2024.
Drinking Water PFAS Monitoring
EPA UCMR5 samples public water systems. These results are separate from nearby PFAS cleanup or investigation-site records.
PFAS detections below EPA limits.
Nearby PFAS Investigation Sites
DoD records are nearby site investigations, not Signal Mountain drinking-water detections. Record names come from the source database and can be broad.
No DoD PFAS investigation records shown for this report.
EPA ATTAINS records identify assessed water bodies that do not meet water-quality standards for designated uses.
Tennessee River-Nickajack Lake Upper
Reported: Nov 2026
Health-relevant causes: Dioxins, Metals (other Than Mercury), Pathogens, Pesticides, Polychlorinated Biphenyls (pcbs), Toxic Organics
Affected uses: Ecological, Recreation
Data from EPA ATTAINS
NPDES permits regulate pollutant discharges into U.S. waterways. Facilities must report compliance quarterly.
No NPDES-permitted facility records with current violation flags surfaced for this city report.
Reviewed: active/open records as of Q4 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.
Hamilton County
Assessment year: 2020
According to EPA, a cancer risk of 30-in-1-million means that for every 1 million people continuously exposed to these air toxics over a 70-year lifetime, an estimated 30 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
EPA designations apply to a specific pollutant and federal air quality standard (NAAQS). EPA can issue a clean-data determination while a formal designation remains in effect.
1997 Primary Annual PM2.5 Designations
Chattanooga
EPA revoked the 1997 primary annual PM2.5 standard in this redesignated area.
Original designation: Apr 2005
Open data source: EPA final primary annual revocation ruleOpen data source: EPA designation statusData from EPA Green Book
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
13-295-0004 — Rossville, Georgia
Annual mean: 10.6 Micrograms/cubic meter (LC)
Includes measurements flagged for exceptional events.
Observation year: 2025
Eastside — Chattanooga, Tennessee
Annual mean: 0.043 Parts per million
Observation year: 2025
Siskin — Chattanooga, Tennessee
Annual mean: 8.5 Micrograms/cubic meter (LC)
Includes measurements flagged for exceptional events.
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.
Signal Mountain Cement Co Dba Buzzi Unicem Usa
Reported: 2024
Reviewed: source query run Nov 2026
Reviewed: source query run Nov 2026
No release reports shown in this group.
Reviewed: active/open records as of 2018
Data from EPA UST Finder
Reviewed: reporting year 2024
Sites 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.
No records shown in this group.
Reviewed: status dates within last 5 years
Data from MSHA
Hamilton County, TN
EPA Radon Zone Map (June 2024 release)
Hamilton County is EPA Radon Zone 2 (moderate potential). EPA defines Zone 2 counties as having predicted average indoor screening levels between 2 pCi/L and 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.
No EPA ECHO RMP facility records with a usable location matched this city report.
Nuclear Regulatory Commission licensed facilities. The Emergency Planning Zone extends 10 miles for plume exposure and 50 miles for the ingestion pathway.
Reported: Mar 2026
This city report includes a facility within the 50-mile ingestion pathway Emergency Planning Zone.
1 reactor · Operated by Tennessee Valley Authority
Reported: Mar 2026
This city report includes a facility within the 50-mile ingestion pathway Emergency Planning Zone.
1 reactor · Operated by Tennessee Valley Authority
Reviewed: 2000-present
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Hamilton County, TennesseePop. 374,682
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 | 9,635 | 11,043 | 7,972 |
| Poor or Fair Health | 16.8% | 18.4% | 14.2% |
| Poor Physical Health Days | 3.9 | 4.1 | 3.3 |
| Poor Mental Health Days | 5.5 | 5.8 | 4.8 |
| Adult Smoking | 16.8% | 20.2% | 15.0% |
| Adult Obesity | 35.0% | 35.5% | 34.0% |
| Air Pollution - Particulate Matter | 9.1 | 7.6 | 7.3 |
| Drinking water violation indicator | No | N/A | N/A |
| Diabetes Prevalence | 11.1% | 12.2% | 9.6% |
| Life Expectancy | 76.0 | 74.1 | 77.6 |
EPA testing found PFAS in water samples from Signal Mountain Water System. Results dated Mar 19, 2024 to Dec 11, 2024 include PFBS at 0.0039 to 0.011 micrograms per liter and PFBA at 0.0061 to 0.0091 micrograms per liter.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 1 violation for Signal Mountain Water System.
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 Signal Mountain.
The monitoring station at 13-295-0004, Rossville, Georgia recorded an annual average of 10.6 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The monitoring station at Eastside, Chattanooga, Tennessee recorded an annual average of 0.043 Parts per million for ozone in 2025.
The monitoring station at Siskin, Chattanooga, Tennessee recorded an annual average of 8.5 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The radon data for Signal Mountain covers Hamilton County. EPA places this area in Zone 2, with a predicted average indoor radon screening level of 2 to 4 picocuries per liter.
No Superfund or brownfield sites were returned for this city report.
The county data for Signal Mountain reports a life expectancy of 76.0 years in Hamilton County, Tennessee.
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 Signal Mountain reports 9,635 years of life lost to deaths before age 75 per 100,000 residents in Hamilton County, Tennessee. 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 Signal Mountain lists fine-particle pollution (PM2.5) at 9.1 micrograms per cubic meter in Hamilton County, Tennessee.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.