A new, stricter arsenic rule is starting to affect small and large water supplies
On Jan. 23, 2006, the arsenic rule was implemented with a new limit of 10 parts per billion (ppb) (the old standard was 50 ppb). The new rule has a broad reach; it affects large and small drinking water treatment systems, including non-community water supplies.
October 1, 2005By W. Wesley Eckenfelder, William Ney Hansard
A basic overview of the key concepts related to treating municipal and industrial wastewater
Over the past few decades there has been an increased awareness of the importance of water quality. Many municipalities and industrial facilities have upgraded or installed new technologies to meet the demand for clean water. Advances in water quality science show that further improvements are needed to ensure a plentiful water supply and to protect the natural environment.
Learning more about the effects of flow conditioning on water measurement can enhance water and wastewater treatment performance and cut costs
The full cost of ownership related to operating a water or wastewater treatment facility consists of the initial capital, commissioning, training, spare parts, maintenance, and calibration costs for the lifetime of the equipment.
Constructed wetlands are an economical way of cleaning up petroleum-contaminated sites that require treatment over long periods of time
In-situ biological treatment (bioremediation) systems have now gained widespread acceptance for dealing with sites impacted by petroleum hydrocarbons. However, at many remediation sites, the need to pump groundwater to maintain gradient control still generates a stream of contaminated water requiring treatment, even if in-situ technologies are being employed.