A89/100
Sulphur Rock Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 3,462 residents · Arkansas
What's In Sulphur Rock's Tap Water?
1
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2008.
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
ROCK MOORE WATER AUTHORITY
Population Served
3,462
Water Source
Groundwater
System ID
AR0000252
Frequently Asked Questions About Sulphur Rock Water
Is Sulphur Rock tap water safe to drink?
Sulphur Rock, Arkansas tap water receives a grade of A (89/100), which is considered excellent. Out of 1 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 Sulphur Rock's water?
Of the 1 contaminants tested in Sulphur Rock'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 Sulphur Rock have any water quality violations?
Yes, Sulphur Rock has 4 EPA violation(s) on record, with the most recent in 2008. Violation types include MCL, MR, Other. 1 of these are health-based violations, which are the most serious category.
Do I need a water filter in Sulphur Rock?
Sulphur Rock 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 Sulphur Rock's tap water come from?
Sulphur Rock's drinking water is sourced from groundwater and supplied by ROCK MOORE WATER AUTHORITY. The system serves approximately 3,462 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Sulphur Rock'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. Sulphur Rock'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 Sulphur Rock's water compare to other cities in Arkansas?
Sulphur Rock's water quality score of 89/100 earns a grade of A, which is considered excellent. This places Sulphur Rock 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 Sulphur Rock's water quality?
If you have concerns about Sulphur Rock'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 (ROCK MOORE WATER AUTHORITY) 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.