Mineral water pump room №1 (lower), located in the central part of Truskavets - is the main pump-room mineral water spa resort.

The style and decoration of the monumental building in the pre-war period indicate buildings. Well-room with hundreds of cranes equipped with autonomous dispensers, through which water is supplied automatically with a specific dosage and different temperatures. To fill a glass of healthy water is only to bring a finger to touch the button. Above each crane installed a plaque with the name of a mineral spring with water temperature. Truskavets well-room №1 is working on a specific schedule and is designed for 10 thousand visits per shift.

The most popular sources of Truskavets are mineral water springs such as "NAFTA" (source number 1), "Yuzya" (source number 11), "Maria" (source number 1), "Bronislava" (a source number 3) and "Sofia" ( source number 2). In the lower pump room - he's a central, poured two kinds of water "NAFTA" and "Maria".

Source «NAFTA» № 1 - is the queen of mineral waters of Truskavets. Water from this source is a low-salinity waters (salinity 0 to 78 g / l). The chemical composition of "Naftusya" refers to hydro-sulphate-calcium-magnesium mineral waters. Water containing organic matter related to BORISLAV oilfield: saturated acid complex petroleum derived phenols, hydrogen sulfide in a small amount of impurities and volatile sulfur hydrocarbons, which give unconventional water taste and odor of oil.

"NAFTA" is a unique water, which has no parallel in any of the resorts. She has a strong therapeutic effect and show people suffering from uric acid diathesis, kidney disease, gout, and other diseases associated with metabolism.