| Standard operation, under 25% wetted height | Full evacuation every 90 daysSEC. 47-512(b) | Any food establishment inside Houston city limits |
| 25%+ of wetted height is FOG, sediment, or floating material | Evacuate immediately, don't wait for the 90-day mark | Same establishments, any time the trap fills fast |
| New account, unknown trap condition | Baseline pump-out plus a wetted-height check on visit one | Every new customer, before we set your contract cadence |
| Unincorporated Fort Bend / Waller County location | City ordinance doesn't apply directly, but your MUD or lease may require the same cadence | Cinco Ranch, Fulshear, Brookshire accounts outside city limits |