HEALTH AND SANITATION
Table 8.1. Financial variables included in the whole life costing methodology.
Table 8.2. 2016/17 water tariffs for residential households of
Tshwane municipality (City of Tshwane, 2016).
33
Sewerage
charges only
apply mainly
to urban areas;
there are no
sewerage
services in most
rural areas.
Table 8.3. 2016/17 sanitation charges for residential
households of Tshwane municipality (City of Tswane, 2016).
Table 8.4. 2016/17 electricity tariffs for residential
households of Tshwane municipality (City of Tswane, 2016).
subsidisation from high water or electricity users
to low water users ensures that the most water or
electricity expenditures are recovered.
Property-related taxes include municipal rates
(abusively referred to as ‘property taxes’) and
charges for refuse and sewerage. Sewerage charges
only apply mainly to urban areas; there are no
sewerage services in most rural areas. Sewerage
is usually charged in two parts: a fixed charge
depending on the value of the property, and a
variable charge according to the water consumption.
The relevant 2016/2017 municipal tariffs for
residential households are presented in the tables
below. Water tariffs are presented in Table 8.2.
12 kℓ water per 30-day period are granted free of
charge to registered indigent households.
Sanitation charges are calculated according to the
percentage water discharged as indicated in Table
8.3. A zero-based tariff is charged for registered
indigents for the first 6 kℓ discharged.
The tariff structure with regard to households
provides for inclining block tariffs. Registered
indigents are granted 100 kWh free of charge.
September 2019 Volume 25 I Number 7
Until we are able to quantify with a reasonable
degree of confidence, mains water savings from
rainwater tanks, it is pointless to continue the
financial analysis. PA
This article concludes the rainwater harvesting
series that has run in Plumbing Africa. For copies
of any of the articles, please contact us:
[email protected]
www.plumbingafrica.co.za