What the Siloam Springs records show
- Water quality and PFAS
- 1 candidate water system shown.Source date: Violations as of Q1 2026
- Air quality and emissions
- 3 monitoring records shown. Observation year: 2025.Source date: AQS data as of 2026
- Land and cleanup records
- No Superfund records returned in this report; No brownfield records returned in this report.
- Infrastructure and incidents
- No pipeline incident records returned in this report; 3 RMP facility records shown (earlier stored inventory, current location coverage unverified).
Water quality in Siloam Springs
Check your water bill for your utility name and confirm the reporting year. See EPA’s guide to finding your annual water quality report.
Drinking Water Compliance
Drinking Water Compliance
Public water-system records for Siloam Springs, AR from EPA SDWIS.
Siloam Springs Waterworks
PFAS detected below the official threshold used by this report.
Reviewed: active/open records as of Q1 2026
City listed in EPA records · Serves 21,430 people
Data from EPA SDWIS
PFAS Screening
PFAS Screening
PFAS screening separates EPA UCMR5 drinking-water monitoring from nearby DoD PFAS investigation-site records; EPA samples shown are from Feb 2023 to Nov 2023.
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 Siloam Springs drinking-water detections. Record names come from the source database and can be broad.
No DoD PFAS investigation records shown for this report.
Impaired Water Bodies
1
Impaired Water Bodies
EPA ATTAINS records identify assessed water bodies that do not meet water-quality standards for designated uses.
Sager Creek
Reported: Nov 2026
Health-relevant causes: Pathogens
Affected uses: Ecological, Other, Recreation
Data from EPA ATTAINS
Discharge Permits (NPDES)
2
Discharge Permits (NPDES)
NPDES permits regulate pollutant discharges into U.S. waterways. Facilities must report compliance quarterly.
Violation records
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
Air quality and emissions in Siloam Springs
Review historical EPA air pollution records, including monitoring and facility emissions where available. For current conditions, check local air quality on AirNow.
EPA AirToxScreen — Estimated Cancer Risk
EPA AirToxScreen — Estimated Cancer Risk
Benton 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
Nonattainment Status
Nonattainment Status
No EPA nonattainment designation records shown for this report.
Air Quality Monitoring (AQS)
Air Quality Monitoring (AQS)
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
Fayetteville Airport
Annual mean: 0.040 Parts per million
Observation year: 2025
Springdale
Annual mean: 0.041 Parts per million
Observation year: 2025
Annual mean: 14.9 Micrograms/cubic meter (25 C)
Observation year: 2025
Data from EPA AQS
Air Quality Violations or Noncompliance
Air Quality Violations or Noncompliance
Facilities regulated under the Clean Air Act. CAA HPV flags indicate serious noncompliance such as exceeding emission limits.
No facility records with active violation or noncompliance flags surfaced in EPA ECHO.
Reviewed: active/open records as of Q4 2025
Data from EPA ECHO
Reported Air Emissions (TRI)
2
Reported Air Emissions (TRI)
TRI releases are self-reported annual totals (calendar year 2024). Hover fugitive or stack for definitions.
Cobb-Vantress Inc. Feed Mill
Reported: 2024
Gates Corp
Reported: 2024
Land cleanup and hazardous waste records in Siloam Springs
Reviewed: source query run Nov 2026
Reviewed: source query run Nov 2026
Hazardous Waste — RCRA Handlers
3
Hazardous Waste — RCRA Handlers
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
Underground Storage Tanks
Underground Storage Tanks
No release reports shown in this group.
Reviewed: active/open records as of 2018
Data from EPA UST Finder
Reviewed: reporting year 2024
MSHA Mine and Extraction Sites
MSHA Mine and Extraction Sites
No MSHA mine or extraction site records shown for this report.
County radon potential
1
County radon potential
Benton County, AR
EPA Radon Zone Map (June 2024 release)
Benton 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 and infrastructure in Siloam Springs
FEMA Flood Zones
FEMA Flood Zones
FEMA flood zones describe mapped flood hazards. Look up a specific address with FEMA.
Minimal flood hazard — outside the 1% and 0.2% annual chance floodplains.
EPA Risk Management Program Records
EPA Risk Management Program Records
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.
Reviewed: 2000-present
Community Health Indicators
Community Health Indicators
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Benton County, ArkansasPop. 302,863
County Health Rankings edition: 2024
Premature Death
- County
- 6,733
- State
- 10,823
- National
- 7,972
Poor or Fair Health
- County
- 16.6%
- State
- 20.4%
- National
- 14.2%
Poor Physical Health Days
- County
- 3.8
- State
- 4.3
- National
- 3.3
Poor Mental Health Days
- County
- 5.3
- State
- 5.8
- National
- 4.8
Adult Smoking
- County
- 15.5%
- State
- 21.9%
- National
- 15.0%
Adult Obesity
- County
- 34.6%
- State
- 39.3%
- National
- 34.0%
Air Pollution - Particulate Matter
- County
- 9.4
- State
- 8.9
- National
- 7.3
Drinking water violation indicator
- County
- Yes
- State
- N/A
- National
- N/A
Diabetes Prevalence
- County
- 9.3%
- State
- 10.9%
- National
- 9.6%
Life Expectancy
- County
- 78.5
- State
- 74.3
- National
- 77.6
| Indicator | County | State | National |
|---|---|---|---|
| Premature Death | 6,733 | 10,823 | 7,972 |
| Poor or Fair Health | 16.6% | 20.4% | 14.2% |
| Poor Physical Health Days | 3.8 | 4.3 | 3.3 |
| Poor Mental Health Days | 5.3 | 5.8 | 4.8 |
| Adult Smoking | 15.5% | 21.9% | 15.0% |
| Adult Obesity | 34.6% | 39.3% | 34.0% |
| Air Pollution - Particulate Matter | 9.4 | 8.9 | 7.3 |
| Drinking water violation indicator | Yes | N/A | N/A |
| Diabetes Prevalence | 9.3% | 10.9% | 9.6% |
| Life Expectancy | 78.5 | 74.3 | 77.6 |
Environmental questions about Siloam Springs, Arkansas
Has PFAS been found in the water in Siloam Springs, Arkansas?
EPA testing found PFAS in water samples from Siloam Springs Waterworks. Results dated Feb 8, 2023 to Nov 15, 2023 include PFBS at 0.0042 to 0.007 micrograms per liter and PFPeA at 0.0033 to 0.0055 micrograms per liter.
Check with the utility that serves your address for its testing results.
What do EPA records say about tap water in Siloam Springs, Arkansas?
EPA drinking water records on this page list 2 violations for Siloam Springs Waterworks.
Check your water bill to identify the utility serving your address. Ask that utility about current drinking water advisories.
What do annual air monitors show near Siloam Springs, Arkansas?
Nearby EPA monitoring stations provide annual air quality measurements for Siloam Springs.
The monitoring station at Fayetteville Airport recorded an annual average of 0.04 Parts per million for ozone in 2025.
The monitoring station at Springdale recorded an annual average of 0.041 Parts per million for ozone in 2025.
The monitoring station at Springdale recorded an annual average of 14.9 Micrograms/cubic meter (25 C) for particles (PM10) in 2025.
Download 2025 EPA annual monitor dataCurrent air quality on AirNow
Is there radon in Siloam Springs, Arkansas?
The radon data for Siloam Springs covers Benton County. EPA places this area in Zone 2, with a predicted average indoor radon screening level of 2 to 4 picocuries per liter.
Are there Superfund or brownfield sites near Siloam Springs, Arkansas?
No Superfund or brownfield sites were returned for this city report.
What is the life expectancy in Siloam Springs, Arkansas?
The county data for Siloam Springs reports a life expectancy of 78.5 years in Benton County, Arkansas.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
What does the data say about premature deaths in Siloam Springs, Arkansas?
The county data for Siloam Springs reports 6,733 years of life lost to deaths before age 75 per 100,000 residents in Benton County, Arkansas. 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.
Is there air pollution in Siloam Springs, Arkansas?
The county data for Siloam Springs lists fine-particle pollution (PM2.5) at 9.4 micrograms per cubic meter in Benton County, Arkansas.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.