Resources
Field Notes from Texas Plants
Brush Rotor to Disc Rotor Conversion for Oxidation Ditches
Replace aging brush rotors with high-efficiency disc rotors in the same oxidation ditch footprint. No process conversion, no dewatering, no civil work.
Granbury East WWTP: The Satellite Plant a Capped City Had to Fight For
Granbury's South plant is legally capped — so the City built a new 1.0 MGD East satellite WWTP, and spent roughly four years getting it permitted…
Granbury South WWTP: BNR + MBR Rehabilitation on a Site That Couldn’t Expand
How the City of Granbury upgraded its capped 2.0 MGD South WWTP to BNR + MBR + UV — producing TCEQ Type I reuse-grade effluent within…
Pecos Main WWTP: A 1980s Lagoon Becomes a Reuse-Ready 3.5 MGD MBR Plant
How the Town of Pecos City is replacing a 1980s lagoon system with a BNR + membrane bioreactor plant — expanding from 1.6 to 3.5 MGD…
Oxidation Ditch Retrofit: Retrievable Fine-Bubble Aeration
Retrievable fine-bubble diffusers restore dissolved oxygen in a failing oxidation ditch - racks that lift out for service without dewatering the basin, with a 2026 Texas…
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