Reserve Street Jug Fountain (Hot)

A water fountain with four spouts on each side
Thermal Fountain on Reserve Street

NPS Photo/Mitch Smith

This thermal jug fountain sits in front of the park's Administration Building at 101 Reserve Street. 

Water averages 143º Fahrenheit/62º Celsius

Mineral Content in Parts per Million (ppm)

Silica (SiO2) 53.0
Bicarbonate (HCO3) 130.0
Calcium (Ca) 47.0
Sulfate (SO4) 7.8
Magnesium (Mg) 4.9
Chloride (Cl) 2.2
Sodium (Na) 4.0
Fluoride (F) 0.26
Potassium (K) 1.4
Oxygen (O2) 4.5
Free Carbon Dioxide (CO2) 9.7

Radioactivity through radon gas emanation is 43.3 picocuries per liter.

Hot Springs National Park

Last updated: November 15, 2020