Kraanwater is hier net zo lekker als bronwater.

The formula net zo + adjective + als is used to say “just as + adjective + as.” In this case:

• net zo lekker als = “just as tasty as.”
  It sets up an equality between two things (tap water and spring water) regarding the property “tasty.”

Because we’re making a general statement about tap water and spring water in this place. With uncountable or generic nouns you often omit the definite article in Dutch:

• “Kraanwater is hier net zo lekker…”
  If you specify a particular water brand or bottle, you might say het (e.g. het bronwater uit die fles).

Dutch main clauses follow a verb-second (V2) rule: the finite verb (is) must be in the second position. You can put an adverb of place like hier either immediately after the verb or at the very start for emphasis:

• “Kraanwater is hier net zo lekker…” (focus on water tasting equally good here)
• “Hier is kraanwater net zo lekker…” (focus on the location)

Yes, you can also say even lekker als. Both express equality:

• net zo lekker als bronwater
• even lekker als bronwater
  Net zo is slightly more emphatic; even is a bit more neutral or informal.

They’re related but not identical:

• Bronwater comes from a natural spring and may contain some minerals.
• Mineraalwater has a defined minimum mineral content.
  In casual speech people often use them interchangeably, but technically mineraalwater must meet stricter mineral criteria.

In Dutch lekker can describe anything that feels or tastes good—even water. When you say lekker water, you mean it tastes fresh or pleasant. It’s very common:

• een lekker biertje (a tasty beer)
• een lekker windje (a pleasant breeze)
  So lekker works for tastes, smells, temperatures, or general pleasing sensations.