EPA SDWIS DataArkansas

Fluoride in Arkansas Drinking Water

Arkansas has 3,972 public water systems. 1914 have recorded fluoride violations.

Total Systems

3,972

With Violations

1,914

EPA MCL

4

Population Served

3.0M

Fluoride in Arkansas: Key Facts

Total Water Systems

3,972

Systems with Violations

1,914

Lead Violations

51

Copper Violations

73

EPA Standard

4 mg/L

MCLG (goal): 4 mg/L

Water Systems with Violations in Arkansas

SystemPopulationViolations
BOIS D ARC WATER SYSTEM531109
ODEN-PENCIL BLUFF WATER ASSN393855
HOSANNA HEIGHTS WATER52644
NORMAN WATERWORKS750625
SDM WATER ASSOCIATION520624
DEER WATER ASSOCIATION938549
PICKENS WATERWORKS49543
PANGBURN WATERWORKS3K442

Health Effects of Fluoride Exposure

Dental fluorosis

Cosmetic tooth enamel changes at 2 mg/L+

Skeletal fluorosis

Bone damage with long-term exposure above 4 mg/L

At recommended levels (0.7 mg/L), fluoride benefits dental health

Dental fluorosis (cosmetic) at 2 mg/L. Skeletal fluorosis (bone damage) at 4 mg/L. Below 0.7 mg/L used for dental health.

Frequently Asked Questions

Is there fluoride in Arkansas water?

Arkansas has 3,972 public water systems. 1914 have recorded fluoride violations based on EPA SDWIS data. If you are on a private well, your water is not covered by these regulations and should be tested independently.

How can I check my Arkansas water for fluoride?

Search for your water system using the WaterCheck system lookup, or contact your utility and request a copy of your Consumer Confidence Report (CCR). The CCR is published annually and lists all detected contaminants, their levels, and the EPA MCLs. For private wells, contact a state-certified lab for independent testing.

What is the EPA limit for fluoride?

The EPA Maximum Contaminant Level (MCL) for fluoride is 4 mg/L. Systems that exceed MCLs are required to notify customers and take corrective action.

Fluoride at a Glance

Categoryinorganic
EPA MCL4 mg/L

Source

Erosion of natural deposits; water additive to promote dental health; discharge from fertilizer and aluminum factories

How to Filter Fluoride

  • +Reverse osmosis removes fluoride
  • +Distillation removes fluoride
  • +Standard carbon filters do NOT remove fluoride