DANA - database Natural Ponds
... in some European countries is criticized, that bio-mechanical water treatment of natural pools does not ensure hygienic demands and the good results can not be documented entirely as it would be desirable.
In some European countries, the authorities often lack sufficient information about the good performing of natural bathing facilities. So if confronted with a proposal of a new project they react as if only the addition of chlorine to the pool water protects against harmful bacteria.
To react in some European countries, the authorities often lack sufficient information with the sweeping ruling that offer only the addition of chlorine in the pool for swimming pools to protect against bacterial count could be exceeded.
Confronted with the situation, IOB board has taken the decision to accept the offer to joint the project database for natural swimming pools (in short: DANA).