Arkansas Water Quality at a Glance
emerging concerns
Is Arkansas Water Safe to Drink?
Generally Yes – Most Arkansas water systems meet federal standards and the state is actively monitoring for emerging contaminants. PFAS in finished drinking water has generally shown limited detections so far in many systems, while statewide testing and reporting continue. Arkansas also approved $1.8 million to begin its first known statewide surface-water PFAS testing effort. Primary concerns include disinfection byproducts and chromium-6 in some systems.
⚠️ Key Concerns for Arkansas Residents
- PFAS Monitoring: EPA UCMR-5 sampling runs 2023–2025, with data updates and reporting continuing through 2026
- Military Bases: Elevated PFAS in some areas near military installations linked to historical firefighting foam use
- Disinfection Byproducts: Chloroform, bromodichloromethane, and other TTHMs are regulated and can be higher seasonally in some surface-water systems
- Chromium-6: Hexavalent chromium can be present at low levels in some systems; monitoring and treatment vary by utility
Read the full report below for detailed analysis, city-specific data, and actionable recommendations for Arkansas residents.
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Arkansas – The Natural State – Water Quality Report 2026: PFAS Testing, Infrastructure Concerns & Safety across your state
Arkansas’s water infrastructure serves approximately 3.0 million residents across diverse geographical regions, from the Ozark Mountains in the north to the Gulf Coastal Plain in the south. The state operates through a complex network of approximately 805 community public water systems, ranging from large utilities like Central Arkansas Water, which serves approximately 450,000 customers across four counties, to smaller rural systems providing essential services to underserved communities. Arkansas’s water sources include the Arkansas River, White River, Mississippi River, and numerous lakes and reservoirs, along with extensive groundwater aquifers that supply both urban centers and agricultural areas.
Despite abundant water resources, Arkansas faces significant infrastructure challenges. The state has received ongoing federal infrastructure investments through the Bipartisan Infrastructure Law, including an EPA-announced $53.099 million allocation in 2024 to support drinking water and clean water upgrades, alongside additional revolving-fund financing for system improvements. Arkansas’s commitment to water quality improvement is demonstrated through partnerships between the Arkansas Department of Health (ADH), local utilities, and federal agencies working to ensure safe, reliable water access for all residents while addressing the unique challenges of a state with significant rural and agricultural water demands.
Arkansas Water Quality: Current Status (2025-2026)
Statewide Compliance and Testing
- Overall Compliance: Arkansas maintains strong Safe Drinking Water Act compliance across its public water systems, with the large majority meeting federal monitoring and reporting requirements.
- PFAS Monitoring: Arkansas is actively participating in EPA’s Unregulated Contaminant Monitoring Rule 5 (UCMR-5), with water systems collecting samples between 2023 and 2025 and reporting continuing through 2026.
- Infrastructure Investment: The state continues to receive Bipartisan Infrastructure Law support for water upgrades, including EPA-announced 2024 funding of $53.099 million to implement drinking water and clean water infrastructure improvements.
Major Water Sources and Challenges
- Arkansas River System: Serves central Arkansas including the Little Rock area through Central Arkansas Water, which provides drinking water to approximately 450,000 residents across Pulaski, Lonoke, Saline, and Grant counties.
- Groundwater Dependence: Arkansas has hundreds of groundwater-dependent community water systems, with many smaller systems relying on wells to serve rural residents and communities.
- Rural Water Systems: Small and rural utilities face unique challenges with aging infrastructure, limited technical capacity, and higher per-capita costs for compliance with new and emerging regulations.
Emerging Contaminant Response
- PFAS Regulation Implementation: New EPA drinking water standards for PFOA and PFOS (4 parts per trillion) require water systems to complete initial monitoring and then meet compliance by 2029.
- Military Base Contamination: Little Rock Air Force Base and Eaker Air Force Base have documented PFAS contamination concerns, primarily linked to historical firefighting foam use, requiring monitoring and remediation planning.
- Surface Water PFAS Testing: Arkansas approved $1.8 million to begin statewide surface-water PFAS testing to help identify contamination sources and guide future protection strategies.
Rural and Disadvantaged Communities
- Infrastructure Disparities: Rural water systems face disproportionate challenges with aging infrastructure, limited technical capacity, and higher per-capita costs for compliance with new regulations.
- Federal Support Programs: Revolving-fund financing and grant set-asides can help ensure funds reach underserved communities most in need of water infrastructure investments.
- Technical Assistance Networks: Arkansas Rural Water Association provides training and technical assistance to small and rural utilities, offering resources for compliance and operational support.
Looking Forward: 2026-2030
Arkansas’s water quality landscape is positioned for continued improvement as utilities prepare for federal PFAS standards and leverage infrastructure investments for treatment and distribution upgrades. The state’s proactive PFAS monitoring, combined with ongoing funding and technical assistance, supports progress statewide. However, sustained success will require continued collaboration between regulators, utilities, and communities—especially in rural areas—to maintain affordability while meeting stricter standards and addressing localized contamination risks from military and industrial sources.
Recommendations for Arkansas Residents
Know Your Water Source
Contact your water utility to request annual water quality reports and ask about PFAS testing results. The Arkansas Department of Health website provides access to Consumer Confidence Reports for public water systems in the state.
Support Infrastructure Investment
Stay informed about local water infrastructure needs and support utility rate structures that enable necessary improvements. Attend public meetings when utilities discuss infrastructure upgrades and treatment investments for emerging contaminants like PFAS.
Consider PFAS-Certified Filtration
For added peace of mind—especially near known PFAS source areas—consider NSF-certified activated carbon (NSF/ANSI 53) or reverse osmosis (NSF/ANSI 58). Affiliate disclosure: If you choose an RO system, you can view our recommended option here: Waterdrop Reverse Osmosis system.
Report Water Quality Concerns
Contact your local water utility immediately for taste, odor, or color concerns. Report suspected contamination to the Arkansas Department of Health Engineering Division for investigation and follow-up.
Practice Water Conservation
Support Arkansas’s water sustainability by implementing conservation measures like efficient irrigation, rainwater harvesting, and low-flow fixtures. Reducing demand helps utilities maintain system reliability and affordability.
Arkansas Cities We Cover
Little Rock Water Quality
Comprehensive analysis of Central Arkansas Water, serving approximately 450,000 customers across four counties including Little Rock. Includes information on water sources, treatment processes, infrastructure modernization, and emerging contaminant monitoring.
Frequently Asked Questions
Is Arkansas’s tap water safe to drink?
Arkansas generally maintains strong compliance with Safe Drinking Water Act requirements, and most public water systems meet federal standards.
Public water systems test for a range of regulated contaminants (such as microbes, metals, and disinfection byproducts) and provide results in annual Consumer Confidence Reports. Most Arkansas tap water is safe to drink, though residents near known contamination sources (including some military installations) may want to review local PFAS results and consider optional filtration for extra peace of mind.
What are PFAS chemicals and why are they a concern in Arkansas?
PFAS (per- and polyfluoroalkyl substances) are synthetic “forever chemicals” that can persist in the environment for a long time.
Arkansas has documented PFAS concerns at some military installations, including Little Rock Air Force Base and Eaker Air Force Base, linked to historical firefighting foam use. EPA finalized drinking water standards that set very low limits for certain PFAS (including 4 parts per trillion for PFOA and PFOS). Water systems have a phase-in period, with compliance required by 2029. Arkansas is also involved in PFAS monitoring and surface-water testing to better understand where PFAS may be present.
How can I find out about my local water quality?
Arkansas residents can access comprehensive water quality information through several resources:
• Annual Water Quality Reports: Contact your water utility directly for their Consumer Confidence Report, which details testing results and any violations or concerns
• Arkansas Department of Health: Visit the ADH drinking water pages for system resources and links to reports and compliance information
• PFAS Testing Data: Many systems participate in EPA’s UCMR-5 monitoring program, with results being posted and updated through 2026
• Rural Water Association: Arkansas Rural Water Association provides resources and support for small and rural utilities across the state
Why does Arkansas have water infrastructure challenges?
Arkansas’s water infrastructure faces several interconnected challenges:
Rural Challenges: Many small and rural water systems face higher per-capita costs and limited technical capacity to implement complex treatment technologies
Funding Needs: Ongoing investment is needed to maintain and replace aging pipes, tanks, and treatment equipment while keeping rates affordable
Groundwater Dependence: Many communities rely on groundwater, requiring ongoing protection of aquifers and wellfields from contamination risks
Emerging Contaminants: New PFAS regulations and monitoring requirements create additional technical and financial burdens, particularly for smaller systems
The state is addressing these challenges through federal infrastructure investments, regulatory oversight by the Arkansas Department of Health, and technical assistance programs for smaller utilities.
Quality News About Your Water
Get the comprehensive water quality news coverage you need with our dedicated US Water News Service. From coast to coast, we deliver in-depth reporting and expert analysis on PFAS contamination, EPA regulatory changes, infrastructure developments, and emerging water safety issues affecting communities nationwide. While mainstream media only covers the biggest stories, we provide the detailed, ongoing coverage that helps you understand the full scope of America’s water challenges. Whether you’re a concerned citizen, water professional, or community leader, our daily updates and analytical insights keep you informed about the issues that matter most to public health and environmental safety.
Contaminants of Concern
PFAS “Forever Chemicals”
Source: Historical firefighting foam use at some military facilities, certain industrial sources, and consumer products that can contribute to environmental PFAS over time
Health Effects: Linked in scientific studies to certain cancers and other health concerns; EPA regulates several PFAS at very low levels in drinking water
Current Status: Arkansas water systems are participating in EPA’s UCMR-5 monitoring program through 2025, with reporting continuing through 2026. EPA Limits: 4 ppt for PFOA and PFOS individually, plus a hazard index approach for certain additional PFAS compounds
Agricultural and Industrial Contaminants
Source: Agricultural runoff, fertilizer and pesticide use, septic systems, and localized industrial activities—risks vary by watershed and aquifer
Health Effects: Varies by contaminant but may include gastrointestinal effects, nitrate risk for infants at high levels, and potential long-term impacts with chronic exposure
Current Status: Arkansas utilities monitor regulated contaminants under the Safe Drinking Water Act, and local results are reported in annual Consumer Confidence Reports. Regulatory Response: Arkansas Department of Health oversight and routine compliance monitoring requirements
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