Page 71 - U4SSC KPIs Verification Manual - A guide for verifiers

Dimension Economy
Sub-Dimension Infrastructure

Category Water and Sanitation
KPI Name Wastewater Collection
KPI No. EC: I: WS: 4C Type: Core Type: Sustainable

Definition / Percentage of households served by wastewater collection
Description

Rationale / The collection of wastewater is key to allowing for centralized treatment which
Interpretation / reduces the incidence of a variety of waterborne diseases. A reliable wastewater
Benchmarking collection system is a major indicator of the level of local development and of
community health. Water pollution from human waste is less of a problem in
countries that can afford to treat sewage and wastewater. These countries usually
have effective collection systems in place.
An improving trend and higher values are considered positive.

Methodology Calculate as:
Numerator: Number of city households served by wastewater collection.
Denominator: Total number of city households.
Multiplied by 100.

Unit Percentage
Data Sources Data should be collected from local utilities that operate wastewater facilities.
/ Relevant
Databases
SDG Reference(s) SDG Target 6.3: By 2030, improve water quality by reducing pollution, eliminating
dumping and minimizing release of hazardous chemicals and materials, halving
the proportion of untreated wastewater and substantially increasing recycling and
safe re-use globally.
Verification Ensure the number of households is consistent.
Guidance
Check to see if number of inhabitants is used rather than households.
Check data source.
DATA VALUES:
90+ per cent is normal.
Re-check if values are significantly less.

U4SSC KPIs Verification Manual-A guide for verifiers 61