EPA SDWIS DataOklahoma

Fluoride in Oklahoma Drinking Water

Oklahoma has 5,688 public water systems. 2987 have recorded fluoride violations.

Total Systems

5,688

With Violations

2,987

EPA MCL

4

Population Served

3.7M

Fluoride in Oklahoma: Key Facts

Total Water Systems

5,688

Systems with Violations

2,987

Lead Violations

29

Copper Violations

171

EPA Standard

4 mg/L

MCLG (goal): 4 mg/L

Water Systems with Violations in Oklahoma

SystemPopulationViolations
TIMBER CREEK MHP EAST & WEST409081
EASTSIDE MHP327572
RAINBOW VALLEY705533
PRAGUE2K4153
BLUE RIDGE MHP1003272
LAKEWAY MHP653256
CREEK CO RWD #10153221
PINE COUNTRY LIVING MHP1002879

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 Oklahoma water?

Oklahoma has 5,688 public water systems. 2987 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 Oklahoma 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