Backlog

Definition

Units

Bulk Services: Treatment works

A backlog is represented by the following:

1. Lack of processes of removing contaminants from sewage.  It includes physical, chemical and biological processes to remove physical, chemical and biological contaminants. Its objective is to produce a waste stream (or treated effluent) and a solid waste or sludge also suitable for discharge or reuse back into the environment.

Number

Bulk Services: Oxidation ponds

A backlog is represented by the following:

1. Lack of  Oxidation ponds (other methods used during the secondary treatment that is designed to substantially degrade the biological content of the sewage such as are derived from human waste, food waste, soaps and detergent).

Number

Bulk Services: Pump stations

A backlog is defined as

1. Lack of pump stations (designed to hold pumps and equipment for pumping sanitation fluids from one place to another).

2. Existing pump stations not functional.

Number

Connector Services: Main outflow lines

No definition available yet.

Km

Connector Services: Pump stations

A backlog is defined as:

1. Lack of pump stations (designed to hold pumps and equipment for pumping sanitation fluids from one place to another).

2. Existing pump stations not functional.

Number

Reticulation: Toilets

Service levels 1 to 3 represent the backlog:

1. No sanitation (no sanitation facility available to the household);

2. A pit latrine not provided with ventilation and fly proofing;

3. Bucket latrines;

4. A ventilated improved pit latrine or equivalent;

5. Septic tanks; and

6. Sewer waterborne sanitation systems.

Number of households