GLOSSARY

15th Finance Commission - A constitutional body whose grants to local governments can be used for LWM infrastructure.

Biochemical Oxygen Demand - A measure of the amount of oxygen required by aerobic microorganisms to decompose organic matter in water.

Chemical Oxygen Demand - A measure of the oxygen required to oxidize organic and inorganic compounds in water.

Drain End Point - The terminal point of a drainage system where greywater collects and treatment solutions are implemented.

Decentralized Wastewater Treatment Systems - Small-scale, community-level treatment systems that process wastewater locally. Designed for capacities ranging from 20 to 500 KLD.

Detailed Project Report - A comprehensive document containing technical specifications, cost estimates, and implementation plans for LWM infrastructure.

Wastewater generated from domestic activities like washing, bathing, and cooking, excluding toilet waste. Kitchen greywater typically has higher organic load compared to bathroom or laundry water.

Greywater Management - The collection, treatment, and safe disposal or reuse of greywater from households and communities.

Kiloliters per Day - A unit of measurement for water flow or treatment capacity. 1 KLD equals 1000 liters per day.

An underground structure that allows liquid waste to percolate into the surrounding soil while retaining solids. Suitable for capacities ranging from 0.5 to 10 KLD.

Liquid Waste Management - The collection, treatment, and disposal or reuse of liquid waste including greywater and blackwater in rural areas.

Mahatma Gandhi National Rural Employment Guarantee Act - A government program that provides funding for labor-intensive infrastructure works, including LWM construction.

Open Defecation Free Plus - A status that includes ODF sustainability plus solid and liquid waste management, achieved through proper LWM implementation.

On-site Sanitation Systems - Sanitation facilities located on the premises where waste is generated, such as soak pits, leach pits, and septic tanks.

Swachh Bharat Mission (Grameen) - The rural component of India's Clean India Mission focused on sanitation, including liquid waste management under Phase II.

Standard Design Estimator - An online tool for generating design estimates and specifications for various LWM solutions based on capacity requirements.

A covered, porous-walled chamber that allows wastewater to slowly soak into the ground. Suitable for household-level applications with capacities from 0.25 to 1 KLD.

Total Suspended Solids - The total amount of solid particles suspended in water that can be trapped by a filter, measured during water quality analysis.

Village Action Plan - A detailed plan for implementing LWM solutions in a specific village, including DEP locations, design capacities, cost estimates, and geo-tagged site information.

Water, Sanitation, and Hygiene - A collective term for activities and interventions related to safe water, sanitation, and hygiene practices.

Waste Stabilization Ponds - Large, shallow basins that use natural processes to treat wastewater through sunlight, algae, and bacteria. Designed for community-level capacities from 20 to 500 KLD.