Nahashon Muguna resigns as Nairobi Water boss, Nangole named acting MD
Nahashon Muguna's exit closes a chapter of years of service at the helm of the utility provider, where he oversaw water and sewerage operations across the capital.
Nairobi Water and Sewerage Company has entered a transition phase after Managing Director Nahashon Muguna tendered his resignation.
Muguna's exit closes a chapter of years of service at the helm of the utility provider, where he oversaw water and sewerage operations across the capital.
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In his resignation letter dated September 26, 2025, Muguna informed the board that he would use his accumulated annual leave as part of his notice period and requested a waiver of the balance.
“This decision has been reached after careful consideration, and I believe it is in the best interest of both myself and the organisation at this time. I have resigned to pursue other endeavours, and I am grateful for the opportunity to have served the people of this great city of Nairobi,” he wrote.
He expressed appreciation to the company’s board, staff, and Nairobi Governor Johnson Sakaja for the support given during his tenure, adding that he was confident the utility would continue to grow under new leadership.
“To the staff of Nairobi City Water and Sewerage Co. Ltd, I could not have worked with a better team,” Muguna said.
Following his resignation, the board appointed Martin Nangole as acting Managing Director to take charge of the company’s operations.
The decision also follows a High Court ruling that blocked any attempt to extend Muguna’s term beyond the mandatory retirement age.
In its ruling, the court declared that reappointing Muguna past December 2025 would contravene the law, stressing there was no evidence he possessed rare or unique skills that would justify retaining him beyond the set limit.
The court further ordered the board to initiate a transparent recruitment process for a substantive director.
The judgment also stated that while the board had followed procedure in handling Muguna’s renewal request, retaining him after retirement would be “illegal, null, and void.”
With Nangole now at the helm in an interim capacity, the utility firm begins a leadership transition as it prepares to recruit a new head.
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