A84/100
Mountain Home Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 24,308 residents · Arkansas
What's In Mountain Home's Tap Water?
69
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2014.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
MOUNTAIN HOME WATERWORKS
Population Served
19,618
Water Source
Surface Water
System ID
AR0000025
NORTH EAST PUBLIC WATER AUTH
Population Served
4,690
Water Source
Purchased Surface Water
System ID
AR0000033
Frequently Asked Questions About Mountain Home Water
Is Mountain Home tap water safe to drink?
Mountain Home, Arkansas tap water receives a grade of A (84/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA maximum contaminant levels (MCLs) and 1 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Mountain Home's water?
Of the 69 contaminants tested in Mountain Home's water supply, the most notable include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Mountain Home have any water quality violations?
Yes, Mountain Home has 6 EPA violation(s) on record, with the most recent in 2015. Violation types include MCL, MR. 5 of these are health-based violations, which are the most serious category.
Do I need a water filter in Mountain Home?
Mountain Home water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 1 contaminant(s) exceed these stricter goals.
Where does Mountain Home's tap water come from?
Mountain Home's drinking water is sourced from surface water and supplied by MOUNTAIN HOME WATERWORKS and 1 other water system(s). The system serves approximately 24,308 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Mountain Home's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Mountain Home's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Mountain Home's water compare to other cities in Arkansas?
Mountain Home's water quality score of 84/100 earns a grade of A, which is considered excellent. This places Mountain Home among the better-performing water systems in Arkansas. Visit our Arkansas state page to see how all cities in the state compare.
What should I do if I'm concerned about Mountain Home's water quality?
If you have concerns about Mountain Home's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (MOUNTAIN HOME WATERWORKS) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.