Calculations for pressure pipes, open channels, ground water, hydrology. Software, formulas, equations ...

A compendium of grey water misinformation on the web, the definitive books on greywater systems, ecological designs for gravity feed water supply, rainwater harvesting, cisterns, composting toilets, edible landscaping, graywater treatment and reuse.

Environmental science and engineering strategies for water resource related development, permitting, and management problems. Hydrogeological and water experts ...

BMI is a complete consulting company offering cross connection control services, backflow prevention software, training and educational products to drinking water, backflow and cross connection professionals ...

Aqua Data provides professional services and software solutions for performance assessment and computerized maintenance-management of water distribution and wastewater collection systems.

We are a national consulting firm specializing in policy analysis and software development, with a particular emphasis on water resources planning.