COPASA ON NM revenue for the last year amounted to 7.04 B BRL, the most of which — 4.64 B BRL — came from its highest performing source at the moment, Water Services, the year earlier bringing 4.35 B BRL. The greatest contribution to the revenue figure was made by Brazil — last year it brought COPASA ON NM 7.88 B BRL, and the year before that — 7.40 B BRL.