Connection to Sewerage Network


  • Provision of ID photocopy,
  • PIN No photocopy,
  • Plot Number,
  • Postal Address
  • Mobile phone number
  • Water supply connection number
  • Filling and Signing Sewerage Services Agreement Form
  • Connection fee depending on the nature of the building. i.e: either Commercial, etc.

Sewerage Services

  • Unblock public sewer.
  • Unblock private sewer at a fee per man hole of Kshs. 2,500/=.
  • Inspect sewer network when our customers want to connect sewer line to public sewer.
  • Develop sewer network.
  • Sceptic Tank Exhausting and Discharge points: we provide exhauster services (Company  Exhauster) at a fee of Ksh. 5,000 and Kshs. 4,000 for informal settlements. We also provide Private Exhausters’ (Dumping into the company’s sewer system).



Proposed increase in Water Tariff Structure for 2016/17 to 2018/19

Download Thiwasco Tariff for consultation (pdf)

Download Thiwasco Tariff for consultation (Excel)

MPESA Payment

To Pay using M-PESA do the following:-

  1. Select Safaricom icon on your Phone
  2. Select Mpesa and press Pay Bill
  3. Enter our business No. 860100
  4. Enter your water account No.
  5. Enter Amount you wish to pay
  6. Enter your PIN and send

Staff Email