Stormwater detention is one of the most common questions we field from developers in Waco — multiple times a week. Here's exactly what the City of Waco Stormwater Design Criteria requires, where the rules come from, and when you may qualify for an exemption.

Waco adopted new Stormwater Design Criteria in January 2025 — the most comprehensive overhaul in over 60 years. Here's what changed, what's being enforced, and what it means for your development project in Waco and McLennan County.