Complex sentence: Current investments in the rural water sector aim at the expansion of borehole drilling and small piped networks in large villages, which each serve between 2,000 and 5,000 people and are managed by autonomous community-based associations and local private firms.
Split into simpler sentences: Current investments in the rural water sector aim at the expansion of borehole drilling and small piped networks in large villages, which each serve between 2,000 and 5,000 people. These small water supply networks are managed by autonomous community-based associations and local private firms.