Question 1

What is the EPA limit for perchlorate in drinking water?

Accepted Answer

The EPA has not set a federal MCL for perchlorate, though some states have their own limits and health-based screening levels.

Question 2

What are the health effects of perchlorate in drinking water?

Accepted Answer

Perchlorate is an endocrine disruptor that inhibits the thyroid gland's ability to absorb iodide, which is essential for producing thyroid hormones (T3 and T4). These hormones regulate metabolism, growth, and brain development. The populati

Question 3

Where does perchlorate in drinking water come from?

Accepted Answer

Perchlorate contamination is uniquely tied to military and aerospace activities. Ammonium perchlorate is the primary oxidizer in solid rocket propellant, road flares, fireworks, and military munitions. The Department of Defense and NASA fac

Question 4

How do I remove perchlorate from my drinking water?

Accepted Answer

Perchlorate is effectively removed by: Anion Exchange, Reverse Osmosis, Bioremediation. Look for NSF-certified filters that explicitly list perchlorate reduction.

Perchlorate in Drinking Water - EPA MCL, Health Effects &