Infill is the component of a synthetic turf system that does the most work and gets the least attention. The infill layer — silica sand, crumb rubber, organic infill, or antimicrobial product — is what gives the turf surface its cushion, its resilience, its drainage rate, and in pet applications, its odor management capacity. When infill is depleted or displaced, the surface loses all of those performance characteristics simultaneously.
In the Lake Houston watershed, infill depletion happens faster than in drier climates, and for a specific reason: flooding. When a Humble or Atascocita yard takes significant water during a storm event — the kind of event that produces sheet flow across the turf surface rather than just rainfall percolating through — that water movement physically displaces infill from the high points of the yard toward the low points, and from the turf zone itself toward perimeter drainage structures. What's left after the water recedes is an uneven infill distribution that the surface brushing and drag-brooming of normal maintenance can only partially correct.
Harvey-scale events can displace substantial infill volume — enough that the surface performance is meaningfully degraded after a single event. We have assessed Atascocita Forest pool surrounds post-Harvey where infill displacement was visible as surface matting and blade compression across sections of the yard that were fully submerged, with infill accumulation at the low-side perimeter drainage outlet. Full infill replenishment was the correct response in those situations — not maintenance-level infill top-up, but a complete removal of displaced material and re-application at specification density.
For pools homes in the Lake Houston corridor, infill replenishment is also the most cost-effective intervention when surface performance has degraded but the turf backing and blade are still in good condition. Rather than removing and replacing the full system, targeted infill replenishment restores the cushion, drainage rate, and in pet applications the antimicrobial performance that the surface needs.
