C58/100
El Dorado Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 25,310 residents · Arkansas
What's In El Dorado's Tap Water?
66
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
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: November 1, 2022 – November 30, 2022Rule: Total Coliform RuleEnforcement: 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
LAWSON-URBANA WATER ASSOC
Population Served
1,108
Water Source
Groundwater
System ID
AR0000548
EL DORADO WATERWORKS
Population Served
17,932
Water Source
Groundwater
System ID
AR0000550
OLD UNION PUBLIC WATER AUTHORITY
Population Served
1,200
Water Source
Groundwater
System ID
AR0000559
WILDWOOD WATER ASSOCIATION
Population Served
1,350
Water Source
Groundwater
System ID
AR0000562
FAIRCREST WATER ASSOCIATION
Population Served
1,329
Water Source
Groundwater
System ID
AR0000544
PARKERS CHAPEL PUBLIC WATER
Population Served
2,391
Water Source
Groundwater
System ID
AR0000560
Frequently Asked Questions About El Dorado Water
Is El Dorado tap water safe to drink?
El Dorado, Arkansas tap water receives a grade of C (58/100), which is considered fair. 1 contaminant(s) exceed EPA maximum contaminant levels and 68 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in El Dorado's water?
Of the 66 contaminants tested in El Dorado's water supply, the most notable include Lead (90th percentile). 1 contaminant(s) exceed EPA legal limits (MCLs). 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does El Dorado have any water quality violations?
Yes, El Dorado has 68 EPA violation(s) on record, with the most recent in 2023. Violation types include Other, RPT, MON. 39 of these are health-based violations, which are the most serious category.
Do I need a water filter in El Dorado?
Based on EPA data, using a water filter in El Dorado 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 El Dorado's tap water come from?
El Dorado's drinking water is sourced from groundwater and supplied by LAWSON-URBANA WATER ASSOC and 5 other water system(s). The system serves approximately 25,310 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is El Dorado'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. El Dorado'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 El Dorado's water compare to other cities in Arkansas?
El Dorado's water quality score of 58/100 earns a grade of C, which is considered fair. This is a below-average score that indicates room for improvement. Visit our Arkansas state page to see how all cities in the state compare.
What should I do if I'm concerned about El Dorado's water quality?
If you have concerns about El Dorado'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 (LAWSON-URBANA WATER ASSOC) 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.