F0/100
Holly Grove Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 1,557 residents · Arkansas
What's In Holly Grove's Tap Water?
2
Contaminants Tested
1
Exceed EPA Limits
1
Above EPA Goals
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.90 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
7
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2022 – June 29, 2023Enforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: May 1, 2022 – June 29, 2023Rule: Total Coliform RuleEnforcement: Formal — state order issued
TIER 3Resolved
Monitoring violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: April 1, 2022 – June 29, 2023Rule: Total Coliform RuleEnforcement: Formal — state order issued
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: November 1, 2021Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3Resolved
Monitoring violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: August 1, 2021 – June 29, 2023Rule: Total Coliform RuleEnforcement: Formal — state order issued
TIER 3Resolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: August 1, 2021 – June 29, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2021 – June 29, 2023Enforcement: Resolving — corrective action underway
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
HOLLY GROVE WATERWORKS
Population Served
1,557
Water Source
Groundwater
System ID
AR0000388
Frequently Asked Questions About Holly Grove Water
Is Holly Grove tap water safe to drink?
Holly Grove, Arkansas tap water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA maximum contaminant levels and 53 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Holly Grove's water?
Of the 2 contaminants tested in Holly Grove's water supply, the most notable include Copper (90th percentile), Lead (90th percentile). 1 contaminant(s) exceed EPA legal limits (MCLs). 2 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Holly Grove have any water quality violations?
Yes, Holly Grove has 53 EPA violation(s) on record, with the most recent in 2022. Violation types include Other, RPT, MR. 12 of these are health-based violations, which are the most serious category.
Do I need a water filter in Holly Grove?
Based on EPA data, using a water filter in Holly Grove is recommended. 1 contaminant(s) exceed legal limits. An NSF-certified filter — such as a reverse osmosis or activated carbon system — can effectively reduce many common contaminants. Choose a filter certified to remove the specific contaminants found in your area.
Where does Holly Grove's tap water come from?
Holly Grove's drinking water is sourced from groundwater and supplied by HOLLY GROVE WATERWORKS. The system serves approximately 1,557 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Holly Grove'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. Holly Grove'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 Holly Grove's water compare to other cities in Arkansas?
Holly Grove's water quality score of 0/100 earns a grade of F, which is considered failing. This is a concerning score that suggests significant water quality issues. Visit our Arkansas state page to see how all cities in the state compare.
What should I do if I'm concerned about Holly Grove's water quality?
If you have concerns about Holly Grove'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 (HOLLY GROVE 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.