Siloam Springs, AR: 31 Health Violations — 48/100 (2026)
1 ZIP code · 5 water systems · Updated 2026-06-04
Siloam Springs ranks below average for tap water safety in AR — health-based violations are documented across multiple service areas in recent EPA monitoring data.
How Siloam Springs Compares
Data: EPA SDWIS Last verified: 2026-06-04
What You Should Know About Siloam Springs Water
- Your city's water systems recorded 48 violations in the past 5 years.
- Average lead level: 0.001 mg/L.
- Homes built before 1986: 43% — older plumbing may contain lead solder.
- Estimated remediation: $4,000 per household.
- CDC health risk index: 11.81.
Who Supplies Your Water in Siloam Springs
Residential water in Siloam Springs, AR is supplied by 3 separate utilities — not one centralized authority. Each of those providers operates under its own service territory boundary, maintains its own distribution infrastructure, and files compliance documentation with the EPA on its own timeline. Federal data counts 5 water systems in the area, with these providers collectively accounting for the dominant share of household connections.
Overview
We track water quality and home safety data for 1 ZIP code in Siloam Springs, Arkansas (population ~23,703), covering 5 community water systems serving approximately 36,173 people region-wide.
1 of 1 ZIP code (100%) have recorded EPA violations. 31 health-based violations documented.
Home Safety Score
Average Home Safety Score for Siloam Springs: D (48/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Siloam Springs water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0010 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Chlorine residual | Disinfectant | 60 | 1 |
| Consumer Confidence Report Rule | Reporting | 18 | 1 |
| Lead and Copper Rule | Treatment Technique | 12 | 1 |
| Total Coliform | Microbiological | 2 | 1 |
| Surface Water Treatment Rule | Treatment Technique | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 72761 | D | 48 | 31 | Siloam Springs Waterworks |
All ZIP Codes in Siloam Springs
- 72761 [D] — 48 violations ⚠
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Health Outcomes in Siloam Springs
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Top Contaminants in Siloam Springs Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Housing & Infrastructure in Siloam Springs
With 43% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Development in Siloam Springs unfolded across multiple decades, and the median build year of 1998 reflects a housing inventory where eras of construction are genuinely mixed — including portions that predate the federal prohibition on lead solder in plumbing.
Most homes in Siloam Springs were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
Cost Context: What Remediation Means for Siloam Springs Homeowners
Although the Siloam Springs remediation share is moderate, it remains reachable for most homeowners who plan for the expense in advance.
Remediation costs are moderate relative to home values in Siloam Springs. The estimated $2,400–$7,100 range is manageable for most homeowners but still worth budgeting for. Home values are 64% above the Arkansas average.
Lead Exposure Risk for Children in Siloam Springs
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Locally, 43% of Siloam Springs homes carry interior plumbing from the era when lead solder was still permitted in new builds, and citywide monitoring approaches or crosses the EPA action benchmark. Households can find a draw-test kit and certified filtration through verified retailers.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Siloam Springs
A moderate NFIP record for Siloam Springs — 58 insurance claims paired with 100% of ZIP codes in FEMA flood zones — points to a flood history where water-quality pathways have likely been periodically relevant.
Siloam Springs has a moderate flood history with 58 FEMA claims averaging $66,957 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$4,000</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
What You Can Do in Siloam Springs
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. Filters rated for Chlorine residual can reduce the most common contaminant found in Siloam Springs's water.
- Check your home's plumbing. With 43% of homes built before 1986, lead solder is a real possibility.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Siloam Springs, AR