Visits on Sunday found some residents cleaning and carrying out repairs at their homes and businesses, where the floodwaters had subsided.
While an estimated 400,000 people across the country have been affected by the floods, in Garissa County, an estimated 6,400 households (32,000 people) are living in 12 camps for the internally displaced.
Victims of the River Tana's overflow urgently need food and non-food items, as determined by an assessment of camps in Garissa Township.
In a statement, the authority said the affected section is between Gamba and Lango la Simba.
The commissioner added that 4,670 households were affected after the River Tana burst its bank.
Several vendors selling fresh produce near her stall have closed their businesses due to the high costs of delivering fruits and vegetables from Kiambu County.
The government suspended boat operations after one capsized in Kona Ponda, but restores them later, with strict conditions in place.
Business people in Garissa town say they are unable to restock their empty shelves as the Garissa-Nairobi highway has been cut off.
He announced plans for a Sh1.2 billion investment to construct a new bridge at the destroyed Kona Punda section of the Garissa-Nairobi Highway.
Some farmers faced a double tragedy as their residential houses in Garissa town were also submerged by the floods.
Residents in the affected areas have now been urged to conserve water and utilise it wisely until normalcy resumes.
Residents of Bulla Punda, Kamor, Sheikh, Vumbi, Windsor, and Bulla Nyuki were forced to move to higher ground after the floodwaters engulfed their houses.
The Kenya National Highways Authority (KeNHA) officially closed the road, deeming it unsafe for motorists and pedestrians due to flooding.
Drivers expressed frustration with the government's failure to find a lasting solution to permanently repair the Kona Punda section.
Chief Issack Abdullahi said crocodile attacks are on the rise and asked the Kenya Wildlife Service (KWS) to ensure victims are compensated.
Animals are unable to access River Tana due to human activities that have blocked their access to water corridors.
River Tana which forms the border between Garissa and Tana River counties has displaced hundreds of families living near the water body.
Garissa County farmers are suffering significant losses as the River Tana overflows, submerging thousands of hectares of farmland along its banks. The floods have wreaked havoc in Garissa Township, Fafi, Balambala, and Ijara sub-counties, devastating the livelihoods of local farmers.