EPA SDWIS DataNorth Carolina

Barium in North Carolina Drinking Water

North Carolina has 23,923 public water systems. 12589 have recorded barium violations.

Total Systems

23,923

With Violations

12,589

EPA MCL

2

Population Served

9.9M

Barium in North Carolina: Key Facts

Total Water Systems

23,923

Systems with Violations

12,589

Lead Violations

494

Copper Violations

908

EPA Standard

2 mg/L

MCLG (goal): 2 mg/L

Water Systems with Violations in North Carolina

SystemPopulationViolations
RIDGEDALE HOA07735
CIRCLE H MHP686905
CAROLINA MANOR MHP06493
CONOVER MHP694459
IMAGINATION STATION ACADEMY, LLC353749
ALTAPASS WATER ASSOCIATION243361
WHISPERING PINES MHP #103172
TURKEY PEN MHP2293092

Health Effects of Barium Exposure

Blood pressure increase

Even near-MCL levels can raise blood pressure

Cardiac effects

Long-term high exposure linked to heart arrhythmias

GI and muscle effects

Can cause nausea, muscle weakness, and paralysis at very high levels

Increase in blood pressure at levels above the MCL. Long-term exposure can affect the cardiovascular system and kidneys.

Frequently Asked Questions

Is there barium in North Carolina water?

North Carolina has 23,923 public water systems. 12589 have recorded barium 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 North Carolina water for barium?

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 barium?

The EPA Maximum Contaminant Level (MCL) for barium is 2 mg/L. Systems that exceed MCLs are required to notify customers and take corrective action.

Barium at a Glance

Categoryheavy metal
EPA MCL2 mg/L

Source

Discharge of drilling wastes; discharge from metal refineries; erosion of natural deposits

How to Filter Barium

  • +Reverse osmosis and ion exchange systems remove barium
  • +Distillation is also effective
  • +NSF/ANSI 58 certified RO systems are the most reliable option