According to the WHO, tap water is safe for consumption for 75% of the country.
The tap water in Moldova is generally OK to drink, but it's always better to be safe than sorry and bring your own water bottle, which you can usually fill with purified water for free at hotels and restaurants.
According to the CDC tap water is generally not safe for consumption.
According to the Numbeo water drinkability and accessibility index, tap water has a score of 45.83 / 100 (100 being best).
Numbeo considers this score to be "Moderate"
1 adult could save about 423$ per year in Moldova by drinking tap water instead of buying bottled water.
๐ณ Drinking tap water would also help with reducing your plastic footprint and improve environmental pollution.
Like in most countries, water quality and accessibility differs from location to location, therefore it's the best to check the information available on that place.